National Weather Service United States Department of Commerce

Since 1883

 

Highest Temperatures on Record

Temperature(°F) 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 1948)

Dew Point (°F) Date
83 August 24, 2023
July 24, 2016
August 27, 1990
82 July 27, 2023
July 20, 2017
July 13, 1995


 

Highest Heat Index (since 1948)

Heat Index (°F) Date
121 August 24, 2023
119 July 13, 1995
117 July 29, 1999
July 12, 1980
116 July 24, 2016
July 13, 1981
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°

Rank Most Year Rank Least Year
1 69 1887 1 (tie) 4 2004
2 64 1936 1 (tie) 4 1950
3 62 1933 1 (tie) 4 1915
4 60 1901 4 (tie) 6 2009
5 (tie) 59 1913 4 (tie) 6 1951
5 (tie) 59 1895 6 (tie) 7 1992
7 58 1899 6 (tie) 7 1981
8 57 1934 6 (tie) 7 1958
9 56 1988 6 (tie) 7 1907

 

 

Days At or Above 100°

Most Days Year Longest Period
Below 100°
Dates
23 1936 4,510 days *

July 26, 2012 to November 30, 2024

18 1934 4,373 days July 19, 1954 to July 9, 1966
11 1887 3,662 days July 14, 1995 to July 23, 2005
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 (°F) 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,
1937, 1950, 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 and 100° or Higher

Month 90° Days Years 100° Days Years
April 2 days 1894, 1899, 1930, 1986 None N/A
May 10 days 1934 1 day 1934
June 22 days 1933 8 days 1934
July 26 days 1887, 1901, 2012 17 days 1936
August 23 days 1947 6 days 1988
September 13 days 1897 3 days 1899, 1939
October 3 days 1922 None N/A