National Weather Service United States Department of Commerce

 

January Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 61 2005 23 -17 1968
2 62 2004 25 -10 1979
3 62 1950 26 -4 1979
4 60 1997* 24 -21 1947
5 60 1955 22 -20 1972
6 58 1955 23 -20 2014
7 59 1989 22 -17 1968
8 57 2008* 23 -16 1970
9 51 1954 22 -13 1962
10 57 1975 23 -29 1982
11 58 2018 24 -20 1982
12 61 1960 24 -12 1974
13 61 1950 23 -12 1954
14 57 1952* 23 -18 1972
15 56 1952* 23 -20 1972
16 57 1980 21 -25 1977
17 59 1952 23 -21 1977
18 63 1974 22 -20 1994
19 55 1974 22 -15 1985
20 57 1954 23 -30 1985
21 55 1957 23 -19 1970
22 57 1957 25 -18 1970
23 57 1967* 24 -9 1963
24 59 1967* 23 -18 1963
25 62 1950 22 -9 1961
26 56 1954 22 -16 1978
27 56 1999 21 -13 1963
28 59 2013 21 -24 1977
29 61 2013* 22 -20 1966
30 54 2013* 21 -20 2019
31 52 1988 22 -18 1965
February Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 56 1968 25 -14 1971
2 58 2016 23 -18 1996
3 59 2003 23 -26 1996
4 59 1986 23 -18 1996
5 59 2008* 23 -13 1979
6 55 1946 24 -15 1982
7 58 2017 23 -11 1947
8 57 2001 23 -12 1947
9 59 2001 22 -18 1975
10 58 1999* 24 -14 1982
11 63 1999 24 -18 1981
12 59 1984 23 -10 1981
13 55 2005 25 -5 1988*
14 56 2005 27 -10 2021
15 58 2018 26 -8 2020
16 61 1976 26 -14 2015
17 59 1961 26 -16 1958
18 57 1991 28 -12 2006
19 60 2018 28 -9 2006
20 63 2018 29 -5 2015
21 63 1997 29 -12 1963
22 59 1981 28 -10 1963
23 58 1985* 29 -9 1968
24 61 2001 29 -9 1967
25 60 2001 27 -12 1967
26 62 1996 27 -10 1967
27 61 1996 28 -9 2014
28 62 1981 28 -7 2014
29 59 2012 28 -2 1996
March Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 60 2017* 29 -1 1962
2 61 1976 28 -4 1980
3 60 1974* 28 -10 2014
4 64 1976 29 -7 2019
5 63 2004 30 -9 1960
6 60 1974* 30 -5 1960
7 63 1974 31 3 1996
8 65 1974 30 -7 1996
9 67 1974 31 -4 2003
10 66 1974 31 -1 2003
11 62 1990* 31 -4 1948
12 65 2006 34 -16 1948
13 64 2006 34 1 1948
14 66 1973 34 -5 1993
15 65 2012 33 6 2017*
16 62 1984 32 8 2017
17 64 2012 34 7 2014*
18 62 2012 35 5 1965
19 63 2020* 35 -4 1965
20 66 2004 35 -4 1965
21 65 1948 33 3 1986
22 63 1991 33 3 1986
23 64 1975 34 5 1996
24 61 1994* 36 0 1974
25 63 2004* 36 5 1974
26 64 2004* 35 -6 1955
27 64 2004* 38 5 1955
28 66 2020 39 13 2001*
29 64 2007 39 3 1964
30 63 2007* 39 3 1964
31 64 1963 39 8 1964
April Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 64 2012 37 11 1954
2 66 1946 39 10 1954
3 65 1999* 42 12 1971
4 64 2012* 38 12 1995
5 68 2010 38 11 1995
6 67 2001 38 6 1979
7 66 1948 40 6 1990
8 65 2015 40 11 1956
9 66 1999 38 8 1997
10 68 2001 40 14 2020*
11 68 1981 41 14 1989
12 69 1972 40 13 1957
13 69 1981 41 11 1950
14 67 1981 42 13 2020
15 66 2002* 43 16 2020*
16 66 2002* 43 12 1961
17 69 2002 43 17 1961
18 70 2002 45 17 1956*
19 72 2002 46 14 1988
20 71 2002 46 14 1988
21 68 2002 45 19 2021
22 72 1985 47 18 2021*
23 67 2011* 47 18 2015
24 70 2002 47 19 1968*
25 66 2007 48 20 1968
26 66 1985* 46 23 1950
27 73 1985 47 24 2012
28 70 1975 47 23 2008
29 71 1970 48 18 1958
30 70 1970 50 22 1988
May Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 70 2002 49 16 1978
2 70 2002 49 22 1961
3 68 1958 48 20 1978
4 70 1977 49 22 1954
5 71 2012 50 22 1992
6 72 2002 51 21 1989
7 72 2002* 52 24 1992
8 75 2000 52 23 1980
9 77 2003 52 24 2020
10 75 2003 52 22 1966
11 73 2022 53 25 1989*
12 75 2000 53 25 2021*
13 73 1995 52 24 2021
14 72 1995* 52 27 2016
15 72 1998 53 25 1997
16 72 1998* 54 21 1997
17 73 1991* 55 27 2014
18 73 1974* 54 23 1994
19 74 1974 55 32 2008*
20 75 2004 55 25 1954
21 76 2004 55 26 2002
22 72 1975* 55 27 1997*
23 73 1998 56 27 1961
24 72 2010* 57 25 1956
25 73 1991* 58 24 1988
26 73 1990* 59 29 1961
27 76 2004 58 28 1951
28 73 2018* 58 33 1992
29 74 1991 57 32 1948
30 76 2004* 59 26 1961
31 74 1998 59 35 1972
June Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 73 1991 58 33 1966
2 74 1990 59 39 1956
3 74 2018 58 34 1988
4 73 2011 59 34 1988
5 74 1986* 60 35 1988
6 74 1981 60 35 1958
7 75 2004* 61 40 1958
8 75 2004* 62 43 2017
9 80 1981 62 35 1977
10 79 1981 62 29 1988
11 78 1958 63 31 1972
12 76 2022* 63 35 1972
13 78 2022 63 37 1965
14 77 2022 63 33 1959
15 77 1973 63 41 2020*
16 79 2004 63 38 1961
17 78 2004 63 40 1959
18 79 1990 63 40 1965
19 78 1998 64 45 1965
20 77 1981* 64 39 2003
21 77 1996* 64 34 1963
22 77 2010* 65 39 1992
23 78 2000 65 43 1961
24 77 2000 64 39 1972
25 77 2009* 64 43 2017*
26 78 1977 65 42 2012
27 79 1980* 65 43 1988*
28 80 1980 65 44 1987
29 78 1998* 64 43 2016*
30 79 2018 65 47 2008*
July Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 77 1973* 66 44 1982
2 79 2004* 65 43 1988
3 79 2000 65 41 1946
4 79 1980 66 43 1946
5 80 1980 66 43 1972
6 79 2004* 66 41 1972
7 79 1996 66 44 2018*
8 79 2004* 66 38 1961
9 80 2004 66 44 1963*
10 80 2000 66 41 1963
11 80 2004* 66 45 1961
12 81 2000 66 45 1959
13 80 1995 67 44 1950
14 83 1995 67 42 2001
15 79 1980 67 48 1954*
16 78 1977 66 43 1954
17 78 2022* 67 41 1954
18 79 2010 68 46 1979
19 82 1981 69 50 1984
20 80 1981 69 50 1966
21 79 2006 69 45 1966
22 78 2004* 68 40 1966
23 79 2011* 67 42 1947
24 79 2011 66 46 1947
25 78 2016* 67 50 1954
26 79 1997 67 43 1962
27 79 2003* 67 43 1962
28 78 2003* 67 45 2013
29 77 2021* 67 47 2013
30 78 1987 67 48 1984
31 78 1999 67 47 1952
August Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 77 1987* 65 47 1947
2 79 2008* 66 51 2012*
3 81 2004 67 47 1974
4 83 2004 67 48 1950
5 79 2008* 66 46 1994
6 79 2000 66 47 1997
7 79 2011 66 43 1989
8 77 1982* 66 44 1989
9 78 1995* 66 47 1989
10 80 2010 66 50 1964
11 78 1992 65 43 2012
12 79 1999 65 44 2012
13 79 1995 66 47 1964
14 79 2000 65 47 2013
15 79 2010 66 45 1963
16 79 1995 66 49 1992
17 80 1995 67 44 2012
18 82 1995 67 44 2012
19 81 1995 66 36 2012
20 78 2010 65 36 2012
21 79 2010* 64 42 1950
22 79 2000 64 45 1952*
23 78 2014* 64 48 2012*
24 77 2014* 64 46 2015*
25 78 2014* 64 42 1958
26 82 2004 66 46 1953
27 79 2004* 67 39 1967
28 77 2003* 66 36 1986
29 79 2003* 65 36 1986
30 81 2000 65 41 1986
31 83 1997 65 41 1984
September Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 79 1997* 64 37 1949
2 79 1975 63 37 1955
3 79 2000* 63 42 1955
4 79 2000 62 43 1997*
5 77 1985 61 38 2011
6 78 1985 61 37 1956
7 77 1985 61 35 1956
8 76 1985 62 36 1986
9 76 1985* 62 37 1986*
10 77 1947 61 32 1976
11 75 2000* 60 35 1976
12 75 2008* 59 31 2007
13 77 1982 58 33 2007
14 77 1982 58 31 2013
15 74 2004* 57 28 2011
16 75 2004 58 30 2007
17 74 1972* 58 34 1959
18 75 1988* 59 37 1995
19 77 1972 59 28 1991
20 74 2018* 59 29 1962
21 74 1964 57 26 1983
22 75 1980 56 22 1995
23 74 1984 54 18 1989
24 76 1984 53 25 1989
25 75 1984 54 27 1950
26 74 1977* 54 30 1991*
27 72 1986* 53 32 1991
28 73 1973 52 27 1957
29 72 1986* 52 28 1992*
30 70 1965 52 30 1972
October Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 73 1977 51 27 1958
2 73 2002 51 24 2003*
3 73 2002 51 24 1987
4 73 1959* 51 23 1987
5 72 2017* 50 22 1952
6 73 1982 50 19 1952
7 72 2018 48 18 2000
8 72 1982* 49 23 2000*
9 74 1982 50 20 1956
10 73 2017 49 22 1958
11 70 1949 48 25 1988
12 72 1962 49 15 2006
13 70 1969 48 7 2006
14 70 1984 47 13 2006
15 71 1984 48 16 2006
16 71 1984 47 19 2020
17 71 1984 46 15 2022
18 69 1985 45 16 1992
19 70 1985 43 10 2022
20 68 1971 44 15 2022
21 68 1949 45 14 1952
22 68 1983 46 10 1952
23 68 2004 45 15 1952
24 67 2001 44 17 1988
25 70 1971 43 15 1962
26 69 1984 43 12 2008
27 68 1984 43 11 2008
28 70 2004 42 8 1952
29 70 2004 41 6 1952
30 67 2009* 43 11 1952
31 68 2003* 44 17 1996
November Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 66 1982* 43 15 2020
2 66 1983* 42 4 1951
3 66 1994 40 4 1991
4 66 1994 39 5 1991
5 69 2017 39 8 1995*
6 66 1975 38 11 1959
7 63 1996 37 4 1971
8 64 2005 36 -1 1991
9 64 1975 37 -2 1991
10 63 2020* 36 7 2018
11 63 2003* 35 12 2018*
12 63 2003* 35 2 2019
13 66 1985 34 1 1986
14 66 1985 36 4 1969
15 66 1964* 38 9 1969
16 67 1964 36 8 1955
17 68 1958 35 -7 1959
18 65 1985 36 1 1959
19 64 1985 36 8 2022
20 66 1982 35 7 2022
21 64 1982 34 3 1964
22 62 1979 33 6 1964
23 65 1983 34 -1 1950
24 63 1973 32 -7 1950
25 62 1966 32 -10 1950
26 64 1990 34 -2 1977
27 65 1990 34 6 2013*
28 61 1998 29 -5 1955
29 60 1998 29 4 1989*
30 62 1975 31 -6 1958
December Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 62 1982 29 0 2002
2 68 1982 30 1 1985
3 68 1982 32 3 1989*
4 63 1999 32 1 1991
5 61 1998 31 -2 1995
6 62 1998 28 -7 1984
7 62 1966 27 -4 1950
8 61 1991* 27 1 1962
9 59 1946 27 -10 1995
10 60 2021 26 -9 1995
11 65 1949 28 -5 1962
12 61 1991 28 -15 1962
13 61 2015 27 -9 1962
14 63 1948 28 -9 1963
15 64 1971* 27 -13 1989
16 59 2021* 25 -12 1989
17 57 2002 25 -12 1964
18 60 1957 23 -11 1964
19 56 2002 25 -16 1983
20 58 1949 26 -10 1983
21 63 1967 26 -19 1989
22 55 1982 26 -24 1989
23 58 1982 28 -22 1989
24 59 1982 25 -22 1983
25 63 1982 23 -21 1983
26 59 2016 25 -16 1983
27 63 2008 28 -5 2017
28 60 1982 27 -18 1961
29 59 2019* 27 -8 1983
30 60 1992 26 -9 1983
31 60 1992 26 -16 1976
Earliest/Latest
60      
  Earliest 1st    January 1st 2005
  Average 1st   March 16th
  Latest 1st   May 12th 1980
       
  Earliest Last   October 4th 1953
  Average Last   November 16th
  Latest Last   December 31st 1992
       
65      
  Earliest 1st   March 8th 1974
  Average 1st   April 23rd
  Latest 1st   May 26th 1952
       
  Earliest Last   September 18th 1952
  Average Last   October 19th
  Latest Last   December 11th 1949
       
70      
  Earliest 1st   April 18th 2002
  Average 1st   May 25th 
  Latest 1st   June 29th 1955
       
  Earliest Last   August 27th 1987
  Average Last    September 24th
  Latest Last    October 29th 2004
       
75      
  Earliest 1st   May 8th 2000
  Average 1st   June 28th
  Latest 1st   September 1st 2013
       
  Earliest Last   June 25th 1950
  Average Last   August 26th
  Latest Last   September 25th 1984
    
All Time Extremes:
Highest Lowest
83F   -30F  
July 14th 1995
August 31st 1997
August 4th 2004
  January 20th 1985  
 
Period of Record:
1946 to 2020
January Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 58 2005 21 -22 1974
2 59 1950 23 -17 1979
3 59 1950 23 -10 1979
4 60 1955 21 -17 1959
5 59 1955 21 -19 1959
6 53 2008 22 -8 2004*
7 57 1965 20 -17 1968
8 59 2008 21 -16 1976
9 49 1948 20 -15 1962
10 58 2020 21 -31 1982
11 57 2020 22 -23 1982
12 60 1960 22 -21 1974
13 56 2005 21 -14 1954
14 56 1952 22 -19 1979
15 61 1949 22 -20 1979
16 57 1952 20 -25 1982
17 57 1952 21 -20 1982
18 57 1996 21 -17 1994*
19 52 1952 21 -16 1985
20 55 1954 21 -28 1985
21 54 2018* 21 -16 1984
22 58 2018 23 -8 1959
23 54 2002* 23 -25 1963
24 58 1950 21 -21 1963
25 55 1950 21 -10 1961
26 52 1954 21 -14 1978
27 56 1968 20 -22 1963
28 60 2013 21 -19 1966
29 59 2013 22 -26 1966
30 52 2013 19 -22 2019
31 53 1988* 21 -16 1965
February Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 55 1968 23 -20 1951
2 57 1986 21 -15 1996*
3 52 2019 22 -24 1996
4 57 2008* 21 -15 1996
5 57 1946 22 -20 1979
6 56 2017 23 -17 1982
7 59 2017 23 -20 1947
8 57 2001 22 -10 1981
9 59 2001* 22 -20 1979
10 59 1999 23 -16 1982
11 60 1999 22 -25 1981
12 55 2017 22 -19 1981
13 52 2005 24 -7 2021
14 52 2018* 26 -12 2021
15 58 2018* 24 -11 2021
16 58 1954 24 -16 1958
17 57 1961 24 -16 1958
18 57 1961 26 -12 2006*
19 61 2018 26 -7 2006
20 63 2018 28 -6 2008
21 61 2017* 28 -11 1968*
22 63 1985 26 -10 1963
23 58 1985 27 -5 2015
24 59 1956 27 -9 1967
25 57 2000 25 -7 1965
26 60 1996 26 -6 1967*
27 60 2011* 27 -4 2015
28 60 2017 27 -10 1962
29 58 2012 26 0 1960
March Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 59 2017 28 -10 1962
2 58 1976 27 -6 1980
3 57 1992* 27 -3 2019
4 62 1976 28 -9 2019
5 61 2004 29 -15 1960
6 60 2022 29 -8 1960
7 59 2017* 29 1 1996*
8 60 2016 29 -7 1996
9 61 2016* 31 -4 2003
10 62 1990 31 1 2003
11 62 1990 31 -8 1948
12 63 2006 33 -16 1948
13 62 1990 33 -3 1993
14 62 1990 33 0 1993
15 62 2012 32 3 2017
16 63 2012 32 6 1999
17 61 2012 33 3 1993
18 62 2012 34 2 1965
19 62 2020* 34 -3 1965
20 64 2004 34 5 1965
21 61 1948 32 1 2002
22 61 2007 33 2 2002
23 63 2007 35 1 1974
24 60 1954* 35 -4 1974
25 62 1954 35 5 1974
26 64 2007 36 -8 1955
27 64 2020 37 8 1955
28 66 2020 38 11 2001
29 62 2007 38 4 1964
30 64 1949 39 6 1964
31 62 1963 38 10 1964*
April Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 63 2012 36 9 1961
2 65 1946 38 6 1952
3 65 1999 40 10 1952
4 63 1969 36 6 1995
5 66 2001 37 11 1995
6 66 2001 37 8 1979
7 66 1986 39 7 2007*
8 67 2015 39 9 2007*
9 65 2015 37 10 2007
10 68 2001 39 14 1989
11 64 2001 40 16 1957
12 64 2022* 38 10 1957
13 66 1981 39 10 1957*
14 65 2012 41 12 2020
15 65 2002 41 13 2020
16 66 1960 41 7 1961
17 69 2013 42 14 1956
18 66 2002 45 10 1956
19 69 2002* 45 8 1956
20 68 2002* 44 12 1956
21 66 2005 44 17 2018
22 66 2011 46 15 1956
23 67 1955 46 11 1956
24 66 2008* 46 19 1968
25 66 2007* 47 20 2002
26 69 1989 46 24 1946
27 69 1989 46 25 1988*
28 67 2021 46 21 2008
29 66 2021* 47 14 1958
30 67 2017* 49 21 1958
May Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 69 1983 48 21 1978*
2 68 2012 47 18 1961
3 70 2012 47 19 1954
4 73 2012 48 19 1957
5 73 2012 50 24 1954
6 73 2012 50 22 1992
7 71 2012* 51 22 1992*
8 72 2000 51 20 1945
9 72 2003 51 24 1966
10 74 2022 51 20 1966
11 73 2022 51 24 1981
12 73 2000 51 25 2021
13 75 1991 52 27 2013
14 72 1991 52 30 2016*
15 73 1991 53 21 1997
16 73 1995 54 24 1997
17 74 1995 54 28 1973
18 73 1987 54 32 1973*
19 74 2004 55 26 1967
20 75 2004 55 24 1954
21 74 2004* 55 30 2001
22 73 1959 55 26 1963
23 74 2004 57 28 1998
24 75 1989 57 35 1963*
25 75 1978 58 31 1988
26 74 1978* 58 30 1961
27 73 1991* 58 26 1994
28 75 1991 58 31 1965
29 74 1998* 58 29 1947
30 77 1998 59 30 1961
31 75 1998 59 33 1966
June Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 73 2002* 59 35 1966
2 74 1991 58 37 1969
3 73 2011* 58 34 1969
4 74 2008* 59 38 1988*
5 73 2019* 60 37 1946
6 74 2020* 61 41 2000
7 77 1995 61 43 1983
8 74 1999* 62 40 1948
9 76 2020* 62 37 1988
10 76 2020* 62 35 1988
11 77 1953 63 36 1988
12 78 2022 63 44 2012
13 78 2022 63 39 2019
14 79 2017 63 37 1959
15 76 1957 63 43 1961
16 78 1953 63 43 1961
17 78 2009 63 44 1961
18 77 2009* 63 42 1965
19 76 1990* 64 44 1965
20 77 2015* 64 38 1980
21 76 2015* 64 38 1963
22 77 1996 65 36 1963
23 77 2010* 64 42 1961
24 78 1978 64 40 1974*
25 80 2021 65 42 1961
26 78 1978 64 45 1950
27 77 1998* 65 39 1988
28 78 1998* 65 44 1968
29 78 1998 65 46 2009
30 79 1993 65 45 1980
July Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 78 1993* 65 48 1959
2 78 1999* 65 46 1967*
3 79 1982* 65 46 1959
4 80 1982 66 44 1967
5 80 1982 66 44 1979
6 79 1999 67 50 2006*
7 80 1998 67 51 1967*
8 79 2000 66 37 1954
9 78 2001* 66 42 1954
10 80 2011 67 46 1953*
11 80 2011 66 45 1959
12 82 2011 66 40 1959
13 81 1995 66 41 1975
14 82 1995 66 45 1975
15 79 1995* 67 45 1967
16 78 2022* 66 47 1954
17 81 2001 67 46 1954
18 82 2001 68 51 2009*
19 82 2001 68 51 1979*
20 80 2010* 68 51 1966
21 80 2004* 68 40 1947
22 78 2016* 67 37 1947
23 81 2001 66 44 1947
24 81 2001 66 48 2004
25 79 2016 66 50 1980*
26 81 2015 67 39 1962
27 81 2015 67 41 1954
28 80 1957 67 46 2013*
29 80 1957 67 46 1965
30 80 1986 66 46 1974
31 79 2001* 66 44 1952
August Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 79 2001 65 47 1952
2 80 2010* 65 45 1976
3 81 2008 67 47 1974
4 82 2008 66 47 1974
5 81 2008 65 48 2012*
6 78 2011* 66 42 2012
7 80 1995 65 42 1975
8 81 1995 66 39 1964
9 81 2010 65 42 1964
10 81 2010 66 48 1964
11 80 1997 64 44 1964
12 79 2016* 64 40 1964
13 79 1995 65 41 1964
14 78 2010 65 45 1964
15 80 1995 65 46 1992
16 80 1993 65 47 1992*
17 78 2000* 66 35 2012
18 78 1993 65 35 2012
19 81 1995 65 40 2012
20 81 1995 64 39 1950
21 77 1952 64 41 2012
22 77 2000* 64 41 2012
23 81 2000 64 43 1966*
24 80 2000 64 44 2012
25 79 2004* 64 42 1962
26 78 2021* 65 44 1953
27 78 2000 65 37 1967
28 81 2000 64 37 1986*
29 80 2000 63 38 1976
30 80 2000 64 41 1976*
31 78 2000* 64 39 1967
September Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 79 2000 63 39 1956
2 79 2000 62 39 1952
3 78 2000 62 40 1957
4 77 2000 61 39 1974
5 75 2012 60 36 1976
6 76 2016* 60 31 1988
7 76 1998* 61 31 1956
8 75 2016* 61 33 1956
9 74 2019* 60 30 1976
10 77 1984 59 30 1976
11 73 2019* 59 30 1955
12 75 1984 59 29 1955
13 76 2008 57 35 1975*
14 73 1998* 57 35 2007
15 74 1991 56 29 1947
16 74 1978 57 32 1947
17 74 1978 58 32 1956
18 73 1988* 58 35 1991
19 76 2018 58 30 1991
20 76 2016 58 30 1962
21 76 2016 56 28 1983
22 74 2005* 55 28 1995*
23 73 2005* 53 22 1989
24 74 1984 53 29 1989
25 74 1998 54 30 2000
26 73 1998 53 29 1984
27 72 1998 52 27 1951
28 72 1986 52 28 1967
29 74 1955 50 22 1953
30 71 2021* 50 24 1953
October Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 70 2019* 50 21 1958
2 74 1954 50 23 1958
3 72 2017* 50 23 1987
4 72 2017* 51 22 1987
5 71 2017* 50 13 1952
6 73 1955 49 12 1952
7 70 2018 47 13 1956
8 70 1982 48 19 1956
9 71 1949 49 18 1956
10 70 1949 47 16 1958
11 71 1962 46 22 2000*
12 70 1962 48 18 2006
13 68 1969 46 16 2006
14 70 1962 46 16 2006
15 68 1968 47 18 2006
16 69 1962 45 21 2020
17 68 2016 45 11 2022
18 69 1985 43 12 2022
19 66 1984 42 11 2022
20 68 1949 42 11 2022
21 66 1949 44 8 1952
22 67 2017* 45 3 1952
23 67 2015* 44 8 1952
24 66 2021* 42 18 1981
25 64 2012 41 15 1962
26 67 2004 42 12 2008
27 66 2004 41 9 1952
28 70 2004 40 7 1952
29 68 2004 40 6 1952
30 66 2013* 42 10 1952
31 66 1984* 43 15 1952
November Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 67 1982* 42 10 1954*
2 66 2016 40 -3 1966
3 66 2016* 38 0 1991
4 63 2003 38 4 1991
5 64 2017 38 6 1952
6 66 1999 37 8 1952
7 64 1999 36 1 1991
8 65 1999 36 -4 1991
9 62 2020* 35 1 1991
10 63 2006* 34 10 2018
11 61 2003* 34 3 1950
12 62 1985 34 2 2019
13 64 1985 33 1 1986
14 64 1985 35 6 1986
15 65 1988 37 14 2019*
16 64 1964* 35 4 1955
17 66 1958 35 -9 1959
18 63 1985 34 0 1959
19 60 1982* 35 9 2022
20 61 1977 33 2 1964
21 62 1980 33 -5 1964
22 61 2010 32 4 1964
23 59 1999* 32 -2 1950
24 60 1973 31 -8 1950
25 58 1966 31 -1 1950
26 62 1990 32 0 1977
27 64 1990 31 3 1955
28 60 1998 28 -3 1955
29 61 2006 28 1 1976
30 59 1998* 28 -4 1964
December Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 61 1982 28 -1 1946
2 63 1982 30 -1 1985
3 63 1982 30 2 1989
4 60 2017 30 -1 2006
5 61 1998 28 -1 1995
6 60 1966 26 -2 1977
7 60 1966 26 -7 1950
8 61 1966 26 -5 1962
9 58 1946 25 -10 1958
10 59 2021 24 -8 1977
11 63 1949 26 -9 1962
12 60 2015 25 -13 1962
13 62 2015 26 -9 2010
14 62 2015 26 -13 1963
15 63 1948 24 -20 1945
16 56 1984 23 -15 1989
17 53 2006* 24 -15 2000*
18 57 1957 23 -13 1981
19 53 1978 24 -20 1983
20 62 1949 25 -18 1983
21 60 1967 25 -20 1989
22 55 1979 24 -27 1989
23 57 1982 24 -25 1989
24 57 1982 23 -28 1983
25 57 2016* 22 -25 1983
26 60 2016 23 -14 1983
27 61 2008 26 -7 2017
28 59 1984 25 -14 1961
29 61 1984 26 -16 1983
30 62 1992 24 -19 1983
31 58 1965 24 -18 1976
Earliest/Latest
60      
  Earliest 1st    January 4th 1959
  Average 1st   March 24th
  Latest 1st   May 10th 1980,1953
       
  Earliest Last   October 5th 1976, 1951
  Average Last   November 10th
  Latest Last   December 30th 1992
       
65      
  Earliest 1st   March 28th 2020
  Average 1st   April 30th
  Latest 1st   June 8th 1988
       
  Earliest Last   September 16th 1987,1956
  Average Last   October 11th
  Latest Last   November 17th 1958
       
70      
  Earliest 1st   May 3rd 2012
  Average 1st   May 25th
  Latest 1st   June 24th 1988
       
  Earliest Last   August 12th 1976,1953
  Average Last   September 18th
  Latest Last   October 28th 2004
       
75      
  Earliest 1st   May 13th 1991
  Average 1st   June 24th
  Latest 1st   August 31st 2012
       
  Earliest Last   May 30th 1974
  Average Last   August 16th
  Latest Last   September 21st 2016
    
All Time Extremes:
Highest Lowest
82F   -31F  
July 14th 1995

July 18th 2001

July 19th 2001

August 4th 2008

July 12th 2011
 
January 10h 1982
 
 
Period of Record:
1945 to 2020
Missing most/all of 1970-1972 and 2014
January Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 54 2004 18 -22 1974
2 59 2004 20 -21 1979
3 55 1998 22 -16 1979
4 59 1997 20 -15 1999
5 54 1998 19 -24 1999
6 53 2008 19 -24 2014
7 56 2008 17 -20 1977
8 55 2008 18 -18 1979*
9 46 2020 17 -20 1999
10 56 1975 19 -33 1982
11 53 2018 21 -25 1982
12 57 2005 19 -26 1974
13 54 2005 17 -12 1982*
14 42 1987 18 -19 1979
15 45 1980 19 -25 1979
16 57 1990 19 -32 1977
17 55 1990 20 -28 1977
18 54 1996 20 -20 1994
19 45 2017 19 -20 1985
20 48 2017 18 -33 1985
21 52 2018 19 -20 1984
22 54 2018 22 -15 1977
23 53 2002 22 -14 2003*
24 45 2010 20 -15 1987
25 42 2016* 19 -11 1987*
26 41 1989 18 -14 1978
27 46 1999 19 -15 1986
28 58 2013 19 -26 1977
29 57 2013 21 -23 1977
30 52 2013 19 -25 2019
31 50 2012* 19 -27 1996
February Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 50 2012 22 -18 1979
2 50 2016 19 -26 1996
3 48 2020 19 -30 1996
4 57 2008 18 -25 1996
5 49 2008 18 -20 1979
6 49 2017 19 -25 1978
7 56 2017 20 -15 2021
8 57 2001 19 -11 2011
9 57 2001 18 -24 1979*
10 54 1999 20 -17 1982
11 57 1999 20 -24 1981
12 52 1984 20 -20 1981
13 50 2005 21 -9 2021*
14 52 2005 24 -14 2021
15 57 2018 22 -11 2021
16 54 1976 21 -12 2021*
17 56 2011 24 -10 1979
18 53 2011 24 -16 1983
19 59 2018 25 -12 2015
20 59 2018 29 -6 2008
21 60 2017 28 0 2008*
22 57 2017 28 -4 1978
23 56 1985 27 -10 2015
24 55 2017 26 -9 2015
25 55 2000 24 -5 2003
26 60 1996 25 -11 2014
27 58 1996 25 -12 2015*
28 59 2017 25 -4 2015
29 55 2012 28 -1 1996*
March Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 57 1976 28 0 1980
2 59 1976 26 -11 2014
3 57 1992* 25 -17 2014
4 61 1976 27 -14 1978
5 61 2004 28 -12 1978
6 57 2017* 28 -1 2015
7 66 1974 29 0 1996
8 58 1974 30 -6 1996
9 61 1990* 31 -6 2003
10 64 1990 30 -2 2003
11 63 2006 30 1 1998*
12 62 1990 32 -2 2022*
13 63 2006* 32 4 1993
14 62 1990* 32 1 1993
15 62 2012 32 3 2017
16 60 2012 31 5 2017
17 61 2012 32 4 1993
18 61 2012 33 10 1993*
19 63 2012 33 8 1981
20 60 2012 34 6 2013
21 58 2011* 31 2 2002
22 59 2007 31 1 2002
23 63 2007 33 -2 1974
24 61 2007 34 -6 1974
25 61 2007* 34 4 1974
26 63 2007 35 5 1996
27 61 2007* 36 7 2001
28 63 2020* 39 9 2001
29 61 2007* 38 15 2020*
30 61 2007 38 14 1991*
31 61 2006 38 11 2021
April Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 63 2012 34 12 2021
2 63 2006* 37 7 2018
3 64 1999 39 12 1987*
4 61 1999 35 2 1995
5 65 2010* 35 3 1995
6 68 2001 36 6 2018
7 65 2001 38 6 2007*
8 63 2015 39 10 2016*
9 66 2015* 36 10 2016*
10 66 2001* 38 14 1997
11 67 1981 39 17 2012*
12 65 1981 38 16 2016
13 70 1981 39 15 2020
14 70 1981 41 14 2020
15 68 2002 41 17 2020*
16 66 2002 41 19 2018*
17 68 2002 41 20 1990
18 69 2002 44 14 1988
19 64 2017* 44 12 1988
20 65 1977 44 15 2018*
21 68 1973 43 18 2015
22 66 2001 44 12 1986
23 66 1990 43 12 1986
24 65 1990 45 20 2015
25 66 1990 46 25 2000
26 65 1990* 45 25 2006*
27 69 1989 44 20 2012*
28 68 1989 44 23 2012*
29 65 2021* 45 20 2018*
30 68 1986 48 19 2018
May Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 67 1986 47 17 1978
2 70 2018 46 23 1978
3 70 2012 45 20 1978
4 69 2012 46 19 2005
5 72 2012 48 22 2005
6 71 2012 49 18 1992*
7 70 2000 50 18 1992
8 70 2000 51 23 2020*
9 70 2003 51 23 2020
10 74 2022 50 28 2020
11 74 2022 52 24 1989
12 73 2022 51 25 1997
13 69 1991 50 24 2021
14 70 1991 50 28 2016*
15 73 1998 51 21 1997
16 73 2001* 52 25 1997
17 72 2001 52 26 2014*
18 71 2001 52 29 2014
19 73 1998* 53 29 2006
20 76 1987 54 31 1993
21 74 1987 53 33 2008*
22 73 1987 53 27 1997
23 73 2010 55 28 1997
24 72 2019* 55 32 1992
25 72 2008 56 29 1992
26 71 2010* 57 23 1989
27 72 1987 57 28 1992
28 73 1991 58 27 1992
29 73 2011 57 30 1992
30 73 2004* 59 32 1992
31 74 2002 57 35 1992
June Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 75 1980 57 32 1979
2 75 2002 57 34 1979
3 74 2020 56 33 1977
4 74 2005* 58 39 1988
5 76 1980 58 40 1988
6 77 1980 58 38 1983
7 76 1980 59 37 1983
8 76 1981 59 40 1975
9 74 2020* 60 40 1977
10 76 1986 59 32 1987
11 76 2004 62 41 2019
12 76 2010 62 35 2012
13 79 2022 61 39 2019
14 76 1990 61 41 2019*
15 75 2015 62 44 2020
16 77 1990 62 39 1999
17 78 1990 62 39 1999
18 77 1990 62 39 1999
19 76 1974 62 43 1976
20 77 1974 63 40 2003
21 77 2010 64 41 1976
22 78 2010 64 40 2021
23 78 2009 63 43 1976
24 77 2003 63 40 2017
25 76 2009* 63 41 1979
26 77 1989 64 45 2017*
27 78 2009* 64 39 1987
28 79 1998 64 42 1992
29 79 1998 63 44 1989
30 77 2014* 63 47 1988
July Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 78 2011 63 45 1995*
2 78 1980 63 42 2001
3 77 2003* 65 47 1988
4 80 1982* 66 48 2008*
5 80 1980 65 45 1979
6 77 2022* 66 47 2006
7 79 2001* 66 45 1983
8 79 2001* 66 51 1988*
9 79 2000* 66 48 1996
10 79 2000* 66 46 1996
11 80 1980 66 43 1999
12 80 1980 66 39 1975
13 80 2015 66 40 1975
14 80 2010 66 44 1975
15 79 2010 66 49 2014
16 78 1982 66 47 1976
17 81 2001 66 46 1976
18 80 1982 67 48 1976
19 80 1982 68 49 1984
20 80 1982 68 50 2009
21 79 2001* 68 50 2007
22 79 2016 67 52 2000*
23 83 2005 65 50 1985
24 81 2005 65 47 1991
25 83 1992 66 48 1991*
26 77 2014* 66 44 2004
27 78 2011 66 45 1977
28 80 2015 66 46 2013
29 80 2021* 65 49 2013*
30 79 2001 65 50 1997
31 79 2001 65 46 1997
August Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 78 2002* 64 45 1992
2 78 2002* 64 48 1992*
3 79 2004* 66 43 1976
4 80 2016* 65 45 1976
5 80 2016* 65 43 1994
6 79 2022* 64 44 2012
7 78 2022* 65 40 1989
8 79 2007* 65 44 1989
9 81 2010 66 46 1989
10 82 2010 65 51 2012*
11 79 2016 64 45 2012*
12 80 1985 64 45 1979
13 80 2019 65 47 2004
14 77 1987 64 44 1994
15 78 1987 64 44 1994
16 78 1983 65 48 1992
17 78 1993 65 40 2012
18 78 1993 65 38 2012
19 79 2005* 65 41 2012
20 77 2014* 64 45 2012
21 79 2003 64 37 2012
22 78 2014* 64 41 2012
23 78 2002 64 46 2012*
24 77 2016* 64 45 2015
25 76 2021* 64 41 2015
26 79 2004* 66 46 1988
27 79 1990* 66 49 2011*
28 78 1990 65 38 1986
29 79 2000 63 41 1986*
30 79 2000 63 43 1992
31 77 2000 63 44 1984
September Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 78 1985 63 44 1987*
2 80 1985 63 41 1994
3 75 1990* 61 38 1974
4 75 1990* 60 36 1974
5 73 2014* 59 38 1988
6 78 1980 60 38 1988
7 78 1980 60 34 2011
8 79 1980 60 38 1986
9 77 1980 60 34 1976
10 74 2019* 59 24 1976
11 72 2019* 58 35 1976
12 77 1984 58 30 1975
13 75 2005 57 33 2014*
14 74 2004 56 34 2007
15 73 2004 55 21 2011
16 74 2019 56 32 2011*
17 74 2019* 56 37 1999
18 73 1978 57 34 1991
19 74 1978 57 26 1991
20 73 1978 56 28 1991
21 73 2016* 54 26 1983
22 73 1986* 53 23 1995
23 71 1986 51 21 1989
24 73 1986 51 27 1989
25 73 1998 53 30 1975
26 72 1998* 52 26 1991
27 70 1986* 51 29 1991
28 71 1986 51 32 2006
29 72 2019 50 28 1984
30 70 2019 50 24 2003
October Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 70 2019 50 21 1974
2 71 2019 49 20 1974
3 71 2019* 49 20 1974
4 69 2018* 47 24 1988
5 69 2017* 48 27 2004*
6 70 1982 48 22 2000
7 68 2007 46 21 2000
8 70 1973 47 21 2000
9 70 1982 47 22 2000*
10 68 1973 45 23 1979
11 67 1973 45 18 1987
12 67 1985 46 16 2006
13 66 1985 44 19 2006
14 66 2021* 44 13 2006
15 67 2017 44 15 2020*
16 67 2016 42 18 2015
17 68 2016 43 15 2022
18 68 1985 41 17 2022*
19 67 1985 40 10 2022
20 66 1979 41 14 2022
21 65 1979 42 17 1976
22 67 2012 43 17 1976
23 66 2004 43 13 1981
24 65 2012* 42 11 1981
25 63 2022* 41 19 2001
26 64 2004 41 8 2008
27 64 1984 40 15 2008
28 66 2004 39 17 1988
29 69 2004 39 16 1988
30 66 2009* 41 11 1988
31 66 2000 42 12 1988
November Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 65 1984* 41 12 2020*
2 67 2016 39 10 1999
3 64 2003 38 6 1991
4 63 2003 38 7 1991
5 63 2022 37 10 1995
6 63 1975 37 10 1993
7 59 2000 35 3 1991*
8 63 2005 36 -3 1991
9 62 1984 36 -1 1991
10 61 2020 34 8 2017
11 59 2003* 33 7 2019*
12 59 2015 31 -1 2019
13 62 1978 31 -4 1986
14 61 1989 33 4 1986
15 63 1988 34 9 2014
16 60 2001* 33 9 2005*
17 62 2013 34 0 2014
18 62 1985 35 1 2014
19 59 1991 34 6 2014
20 59 1982 33 6 1987
21 59 1979 31 4 2000
22 62 1983 31 9 2008
23 58 2003* 33 6 2013
24 57 2001 30 -1 2005
25 52 2006 30 -2 2005
26 60 1990 32 -7 1977
27 61 1990 31 3 1977
28 59 1997* 28 -1 1976
29 59 1998 29 -3 1976
30 57 1998 29 2 1976
December Dew Points
Years marked with a * are the latest of multiple occurrences
Day Highest Value Year Average Lowest Value Year
1 58 1982 26 0 2002
2 63 1982 28 -2 1985
3 61 1982 28 -2 1976
4 59 1998 28 -2 1991
5 58 2017* 27 -2 1995
6 58 1980 25 -9 1977
7 58 1980 25 -14 1976
8 59 1991 24 -7 1976
9 51 1987 24 -14 1977
10 58 2021 22 -21 1995
11 59 2021 25 -11 1995*
12 60 2015 25 -10 1989
13 61 2015 27 -8 2010
14 60 2015 28 -11 1989
15 61 2021 25 -20 1989
16 58 2021 23 -14 1989
17 52 2006 21 -10 2000
18 55 2002 20 -18 1983
19 51 2002 22 -24 1983
20 48 2013 23 -18 1983
21 54 2015 23 -25 1989
22 53 1979 24 -30 1989
23 56 1982 24 -27 1989
24 55 1982 22 -27 1983
25 55 1982 19 -24 1983
26 59 2016 21 -17 1983
27 58 2008 25 -11 2017
28 60 1984 25 -7 2017
29 60 1984 24 -14 1983
30 58 1992 23 -17 1976
31 55 2010 23 -29 1976
Earliest/Latest
60      
  Earliest 1st    January 4th 1959
  Average 1st   March 24th
  Latest 1st   May 10th 1980, 1953
       
  Earliest Last   October 5th 1976, 1951
  Average Last   November 10th
  Latest Last   December 30th 1992
       
65      
  Earliest 1st   March 28th 2020
  Average 1st   April 30th
  Latest 1st   June 8th 1988
       
  Earliest Last   September 16th 1987, 1956
  Average Last   October 11th
  Latest Last   November 17th 1958
       
70      
  Earliest 1st   May 3rd 2012
  Average 1st   May 25th
  Latest 1st   June 24th 1988
       
  Earliest Last   August 12th 1976, 1953
  Average Last   September 18th
  Latest Last   October 28th 2004
       
75      
  Earliest 1st   May 13th 1991
  Average 1st   June 24th
  Latest 1st   August 31st 2012
       
  Earliest Last   May 30th 1974
  Average Last   August 16th
  Latest Last   September 21st 2016
    
All Time Extremes:
Highest Lowest
 
83F
  
-33F
 
July 23rd 2005

July 25th 1992 
 
January 10th 1982

January 20th 1985

 

 

 
Period of Record:
Extremes 1973 to 2020