National Weather Service United States Department of Commerce

Since 1883

 

Highest Temperatures on Record

Temperature (ºF) 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°

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°

Most Days Year Longest Period
Below 100°
Dates
23 1936 4,374 days July 19, 1954 to July 9, 1996
18 1934 3,662 days
 
July 14, 1995 to July 23, 2005
11 1887 3,626 days * July 26, 2012 to June 30, 2022
10 1983 2,518 days August 19, 1988 to July 12, 1995
9 1913, 1930,
1931, 1988
2,516 days July 18, 1904 to June 8, 1911

* active streak

 

Consecutive Days with Highs 90° 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° 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


 

Most Recent Occurrences of Highs 100° or Higher

Date High Temperature (°F)
July 25, 2012 102
July 23, 2012 104
July 7, 2012 104
July 6, 2012 103


 

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°
Sep. 15, 1939


 

Monthly Records for Highs 90° or Higher

MAY JUNE JULY AUGUST SEPTEMBER OCTOBER
10 days (1934) 22 days (1933) 26 days
(1887, 1901, 2012)
23 days (1947) 13 days (1897) 3 days (1922)
8 days (1911) 18 days (1895) 24 days (1916) 22 days (1936) 12 days
(1931, 1933, 1939)
2 days (2006)
7 days
(1895, 1896, 1921)
17 days
(1891, 1901, 1934)
23 days (1936, 1983) 20 days
(1899, 1900, 1913, 1983)
10 days
(1891, 1908, 1925)
1 day (several years, last in 2007)
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 2014)
15 days
(1887, 1971, 1988, 2005)
21 days
(1919, 1921, 1934, 1988)
17 days (1988) 8 days (several years,
last in 2015)