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 1988

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1988
1-Month
65.8°F
(18.8°C)
67.4°F
(19.7°C)
-1.6°F
(-0.9°C)
22nd Coolest Coolest since: 1984 1917
104th Warmest Warmest since: 1987 2018
Ties: 1958
Aug–Sep 1988
2-Month
71.6°F
(22.0°C)
70.6°F
(21.4°C)
1.0°F
(0.6°C)
84th Coolest Coolest since: 1986 1927, 1963
42nd Warmest Warmest since: 1987 2018
Ties: 1901, 1960, 2001
Jul–Sep 1988
3-Month
73.8°F
(23.2°C)
72.2°F
(22.3°C)
1.6°F
(0.9°C)
97th Coolest Coolest since: 1986 1909
29th Warmest Warmest since: 1987 2016
Ties: 1921, 1983
Jun–Sep 1988
4-Month
73.2°F
(22.9°C)
71.8°F
(22.1°C)
1.4°F
(0.8°C)
97th Coolest Coolest since: 1986 1927
29th Warmest Warmest since: 1987 2010
Ties: 1943, 2013
May–Sep 1988
5-Month
71.0°F
(21.7°C)
69.9°F
(21.1°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 1986 1924, 1927
36th Warmest Warmest since: 1987 2010
Ties: 1898, 1939, 1986, 2014
Apr–Sep 1988
6-Month
67.6°F
(19.8°C)
67.0°F
(19.4°C)
0.6°F
(0.4°C)
79th Coolest Coolest since: 1984 1907
47th Warmest Warmest since: 1987 2010
Ties: 1925, 1931, 1939, 1954, 1960, 1970
Mar–Sep 1988
7-Month
64.2°F
(17.9°C)
63.4°F
(17.4°C)
0.8°F
(0.5°C)
81st Coolest Coolest since: 1984 1924
45th Warmest Warmest since: 1987 2010
Ties: 1939, 1952
Feb–Sep 1988
8-Month
60.7°F
(15.9°C)
59.8°F
(15.4°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 1986 1907
41st Warmest Warmest since: 1987 2012
Ties: 1898, 1942, 1986, 2007
Jan–Sep 1988
9-Month
57.2°F
(14.0°C)
56.9°F
(13.8°C)
0.3°F
(0.2°C)
60th Coolest Coolest since: 1984 1940
66th Warmest Warmest since: 1987 2012
Ties: 1919, 1929, 1975
Dec 1987–Sep 1988
10-Month
55.4°F
(13.0°C)
54.8°F
(12.7°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1986 1904
50th Warmest Warmest since: 1987 2012
Ties: 1900, 1906, 1919, 1975
Nov 1987–Sep 1988
11-Month
54.8°F
(12.7°C)
54.0°F
(12.2°C)
0.8°F
(0.5°C)
79th Coolest Coolest since: 1987 1904
46th Warmest Warmest since: 1986 2012
Oct 1987–Sep 1988
12-Month
54.6°F
(12.6°C)
54.2°F
(12.3°C)
0.4°F
(0.3°C)
71st Coolest Coolest since: 1984 1904
54th Warmest Warmest since: 1987 2012
Ties: 1906, 1929, 1937, 1943, 1950, 1972
Apr 1987–Sep 1988
18-Month
59.2°F
(15.1°C)
58.5°F
(14.7°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1984 1904, 1918
39th Warmest Warmest since: 1987 2012
Ties: 1913, 1939, 1943, 1952
Oct 1986–Sep 1988
24-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
81st Coolest Coolest since: 1985 1905
43rd Warmest Warmest since: 1987 2017
Ties: 1930, 1973, 1975, 1985
Oct 1985–Sep 1988
36-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
88th Coolest Coolest since: 1986 1905, 1918
35th Warmest Warmest since: 1987 2018
Ties: 1985, 1986
Oct 1984–Sep 1988
48-Month
55.2°F
(12.9°C)
54.2°F
(12.3°C)
1.0°F
(0.6°C)
94th Coolest Coolest since: 1987 1905
28th Warmest Warmest since: 1955 2019
Ties: 1952, 1954
Oct 1983–Sep 1988
60-Month
54.9°F
(12.7°C)
54.1°F
(12.3°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1986 1908
36th Warmest Warmest since: 1987 2019
Ties: 1952, 1956, 1957

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/