National Weather Service United States Department of Commerce

Since 1883

 

Highest Temperatures on Record

Temperature Date
113 July 15, 1936
110 July 14, 1936
109 July 13, 1936
108 July 11, 1936
107 July 27, 1930
July 12, 1936
 

 

Highest Dew Point (since 1973)

Dew Point (ºF) Date
83 July 24, 2016
83 August 27, 1990

 

Highest Heat Index (since 1973)

HEAT INDEX DATE
117 July 29, 1999
July 13, 1995
July 12, 1980
116 July 24, 2016
115 July 19, 2011
July 12, 1995
August 27, 1990
July 28, 1983
July 14, 1980
July 7, 1980
NOTE:  Based on hourly temperature and dew point observations, since this is not directly measured.  

 

Days At or Above 90 Degrees

MOST LEAST
69 (1887) 4 (1915, 1950, 2004)
64 (1936) 6 (1951, 2009)
62 (1933) 7 (1907, 1958, 1981, 1992)
60 (1901) 8 (1967, 1969, 1982, 2008)
59 (1895, 1913) 10 (1924, 1972, 1985)

 

Days At or Above 100 Degrees

Most Days Year Longest Period
Below 100
Dates
23 1936 4375 days
(11 yr 11 mo 22 dy)
7/19/1954 to 7/10/1966
18 1934 3663 days
(10 yr 0 mo 10 dy)
7/14/1995 to 7/23/2005
11 1887 2519 days
(6 yr 10 mo 24 dy)
8/19/1988 to 7/12/1995
10 1983 2516 days
(6 yr 10 mo 21 dy)
7/18/1904 to 6/8/1911
9 1913, 1930,
1931, 1988
2207 days
(6 yr 0 mo 15 dy) 
6/20/1971 to 7/5/1977 

 

Consecutive Days with Highs 90 Degrees or Higher

Number of Days Dates
21 July 11-31, 1916
20 July 9-28, 1901
18 July 17-August 3, 1987
17 July 5-21, 1887
17 July 2-18, 1936
17 August 11-27, 1936

 

Consecutive Days with Highs 100 Degrees or Higher

Number of Days Dates
14 July 4-17, 1936
7 June 26-July 1, 1931
6 July 20-25, 1934
5 July 21-25, 1901
5 July 26-30, 1916

 

Earliest and Latest Occurrences of Indicated Temperatures

Temperature
Earliest 1st Occurrence
Latest 1st Occurrence Latest Last Occurrence
70
Jan. 23, 1909
Apr. 27, 1951
Dec. 28, 1984
80
Mar. 12, 1990
May 30, 1995
Nov. 1: 1888, 1933, '37, '50, 2000
90
Apr. 10, 1930
Aug. 14, 2000
Oct. 15, 1897
100
May 31, 1934
Several years
without 100 deg.
Sep. 15, 1939

 

Monthly Records for Highs 90 Degrees or Higher

MAY JUNE JULY AUGUST SEPTEMBER
10 days (1934) 22 days (1933) 26 days (1887, 1901, 2012) 23 days (1947) 13 days (1897)
8 days (1911) 18 days (1895) 24 days (1916) 22 days (1936) 12 days (1931, 1933, 1939)
7 days (1895, 1896, 1921) 17 days (1891, 1901, 1934) 23 days (1936, '83) 20 days (1899, 1900, 1913, 1983) 10 days (1891, 1908, 1925)
5 days (1887, 1904, 1910, 2012) 16 days (1890) 22 days (1933) 19 days (1937) 9 days (several years,
last in 2007)
4 days (several years, 
last in 2006)
15 days (1887, 1971, 1988, 2005) 21 days (1919, 1921, 1934, 1988) 17 days (1988) 8 days (several years,
last in 1983)