Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1986

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1986
1-Month
67.4°F
(19.7°C)
67.4°F
(19.7°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1984 1917
68th Warmest Warmest since: 1985 2018
Ties: 1901
Aug–Sep 1986
2-Month
69.9°F
(21.1°C)
70.5°F
(21.4°C)
-0.6°F
(-0.3°C)
34th Coolest Coolest since: 1982 1927, 1963
92nd Warmest Warmest since: 1985 2018
Ties: 1914, 1916
Jul–Sep 1986
3-Month
72.4°F
(22.4°C)
72.2°F
(22.3°C)
0.2°F
(0.1°C)
63rd Coolest Coolest since: 1984 1909
63rd Warmest Warmest since: 1985 2016
Ties: 1925, 1990
Jun–Sep 1986
4-Month
72.5°F
(22.5°C)
71.9°F
(22.2°C)
0.6°F
(0.3°C)
73rd Coolest Coolest since: 1985 1927
53rd Warmest Warmest since: 1983 2010
Ties: 1895
May–Sep 1986
5-Month
71.0°F
(21.7°C)
69.9°F
(21.1°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 1985 1924, 1927
36th Warmest Warmest since: 1980 2010
Ties: 1898, 1939, 1988, 2014
Apr–Sep 1986
6-Month
67.9°F
(19.9°C)
66.9°F
(19.4°C)
1.0°F
(0.5°C)
89th Coolest Coolest since: 1984 1907
37th Warmest Warmest since: 1985 2010
Ties: 1906, 1933, 1973
Mar–Sep 1986
7-Month
64.6°F
(18.1°C)
63.5°F
(17.5°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 1984 1924
30th Warmest Warmest since: 1985 2010
Feb–Sep 1986
8-Month
60.7°F
(15.9°C)
59.9°F
(15.5°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1984 1907
41st Warmest Warmest since: 1985 2012
Ties: 1898, 1942, 1988, 2007
Jan–Sep 1986
9-Month
57.6°F
(14.2°C)
56.8°F
(13.8°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1985 1940
45th Warmest Warmest since: 1983 2012
Ties: 1943, 1987, 2015
Dec 1985–Sep 1986
10-Month
55.3°F
(12.9°C)
54.8°F
(12.7°C)
0.5°F
(0.2°C)
70th Coolest Coolest since: 1984 1904
55th Warmest Warmest since: 1985 2012
Ties: 1945, 1959
Nov 1985–Sep 1986
11-Month
55.0°F
(12.8°C)
53.9°F
(12.2°C)
1.1°F
(0.6°C)
89th Coolest Coolest since: 1984 1904
36th Warmest Warmest since: 1985 2012
Ties: 1980, 1989, 1990, 1993
Oct 1985–Sep 1986
12-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1984 1904
29th Warmest Warmest since: 1985 2012
Ties: 1952, 1953, 1954
Apr 1985–Sep 1986
18-Month
59.6°F
(15.3°C)
58.4°F
(14.7°C)
1.2°F
(0.6°C)
102nd Coolest Coolest since: 1985 1904, 1918
23rd Warmest Warmest since: 1953 2012
Ties: 1921, 1942, 1953
Oct 1984–Sep 1986
24-Month
55.6°F
(13.1°C)
54.2°F
(12.3°C)
1.4°F
(0.8°C)
102nd Coolest Coolest since: 1985 1905
22nd Warmest Warmest since: 1933 2017
Oct 1983–Sep 1986
36-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
88th Coolest Coolest since: 1985 1905, 1918
35th Warmest Warmest since: 1985 2018
Ties: 1985, 1988
Oct 1982–Sep 1986
48-Month
55.1°F
(12.8°C)
54.1°F
(12.3°C)
1.0°F
(0.5°C)
91st Coolest Coolest since: 1985 1905
31st Warmest Warmest since: 1976 2019
Ties: 1933, 1976
Oct 1981–Sep 1986
60-Month
54.6°F
(12.6°C)
54.1°F
(12.3°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1985 1908
46th Warmest Warmest since: 1977 2019
Ties: 1949, 1950, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/