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 1977

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1977
1-Month
70.0°F
(21.1°C)
67.4°F
(19.7°C)
2.6°F
(1.4°C)
104th Coolest Coolest since: 1976 1917
22nd Warmest Warmest since: 1970 2018
Ties: 2007
Aug–Sep 1977
2-Month
73.0°F
(22.8°C)
70.6°F
(21.4°C)
2.4°F
(1.4°C)
111th Coolest Coolest since: 1976 1927, 1963
15th Warmest Warmest since: 1961 2018
Ties: 1895, 1959, 1961
Jul–Sep 1977
3-Month
74.2°F
(23.4°C)
72.2°F
(22.3°C)
2.0°F
(1.1°C)
110th Coolest Coolest since: 1976 1909
16th Warmest Warmest since: 1955 2016
Ties: 1930, 1993, 1995, 2007
Jun–Sep 1977
4-Month
72.8°F
(22.7°C)
71.8°F
(22.1°C)
1.0°F
(0.6°C)
83rd Coolest Coolest since: 1976 1927
43rd Warmest Warmest since: 1973 2010
Ties: 1939, 1970
May–Sep 1977
5-Month
71.1°F
(21.7°C)
69.9°F
(21.1°C)
1.2°F
(0.6°C)
96th Coolest Coolest since: 1976 1924, 1927
30th Warmest Warmest since: 1959 2010
Ties: 1931, 1933, 1942, 1957, 1995
Apr–Sep 1977
6-Month
68.5°F
(20.3°C)
66.9°F
(19.4°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1976 1907
21st Warmest Warmest since: 1959 2010
Ties: 1921, 1955, 2007, 2013
Mar–Sep 1977
7-Month
65.6°F
(18.7°C)
63.4°F
(17.4°C)
2.2°F
(1.3°C)
113th Coolest Coolest since: 1976 1924
13th Warmest Warmest since: 1921 2010
Ties: 1998
Feb–Sep 1977
8-Month
61.8°F
(16.6°C)
59.8°F
(15.4°C)
2.0°F
(1.2°C)
111th Coolest Coolest since: 1976 1907
15th Warmest Warmest since: 1921 2012
Jan–Sep 1977
9-Month
57.4°F
(14.1°C)
56.9°F
(13.8°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1975 1940
53rd Warmest Warmest since: 1976 2012
Ties: 1906, 1937, 1942, 1974, 1980
Dec 1976–Sep 1977
10-Month
54.9°F
(12.7°C)
54.9°F
(12.7°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1972 1904
68th Warmest Warmest since: 1976 2012
Ties: 1931, 1950, 1951, 1960, 1992
Nov 1976–Sep 1977
11-Month
53.5°F
(11.9°C)
54.0°F
(12.2°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1971 1904
85th Warmest Warmest since: 1976 2012
Ties: 1901, 1964
Oct 1976–Sep 1977
12-Month
53.4°F
(11.9°C)
54.2°F
(12.3°C)
-0.8°F
(-0.4°C)
27th Coolest Coolest since: 1970 1904
98th Warmest Warmest since: 1976 2012
Ties: 1961, 1966
Apr 1976–Sep 1977
18-Month
57.9°F
(14.4°C)
58.4°F
(14.7°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1970 1904, 1918
101st Warmest Warmest since: 1976 2012
Ties: 1911, 1964, 1966, 1970, 1978, 1979
Oct 1975–Sep 1977
24-Month
54.6°F
(12.6°C)
54.2°F
(12.3°C)
0.4°F
(0.3°C)
74th Coolest Coolest since: 1972 1905
50th Warmest Warmest since: 1976 2017
Ties: 1914, 1921, 1942, 1960, 1989, 1994
Oct 1974–Sep 1977
36-Month
54.5°F
(12.5°C)
54.1°F
(12.3°C)
0.4°F
(0.2°C)
69th Coolest Coolest since: 1973 1905, 1918
54th Warmest Warmest since: 1976 2018
Ties: 1922, 1930, 1931, 1956, 1959, 1973, 1994
Oct 1973–Sep 1977
48-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1974 1905
43rd Warmest Warmest since: 1976 2019
Ties: 1945, 1949, 1951, 1956, 1974, 1996, 1997
Oct 1972–Sep 1977
60-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
81st Coolest Coolest since: 1975 1908
40th Warmest Warmest since: 1976 2019
Ties: 1932

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/