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 1971

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1971
1-Month
69.4°F
(20.8°C)
67.4°F
(19.7°C)
2.0°F
(1.1°C)
96th Coolest Coolest since: 1969 1917
30th Warmest Warmest since: 1970 2018
Ties: 2004
Aug–Sep 1971
2-Month
71.0°F
(21.7°C)
70.6°F
(21.4°C)
0.4°F
(0.3°C)
69th Coolest Coolest since: 1969 1927, 1963
57th Warmest Warmest since: 1970 2018
Ties: 1938, 1957, 1965, 1985
Jul–Sep 1971
3-Month
72.2°F
(22.3°C)
72.2°F
(22.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1969 1909
72nd Warmest Warmest since: 1970 2016
Ties: 1960, 1966, 1994
Jun–Sep 1971
4-Month
72.0°F
(22.2°C)
71.8°F
(22.1°C)
0.2°F
(0.1°C)
60th Coolest Coolest since: 1969 1927
66th Warmest Warmest since: 1970 2010
Ties: 1932, 1966, 1969
May–Sep 1971
5-Month
69.6°F
(20.9°C)
69.9°F
(21.1°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 1967 1924, 1927
85th Warmest Warmest since: 1970 2010
Ties: 1938, 1948, 1966, 1978, 1984
Apr–Sep 1971
6-Month
66.4°F
(19.1°C)
66.9°F
(19.4°C)
-0.5°F
(-0.3°C)
27th Coolest Coolest since: 1967 1907
99th Warmest Warmest since: 1970 2010
Ties: 1918, 1919, 1962, 1975, 1979
Mar–Sep 1971
7-Month
62.7°F
(17.1°C)
63.4°F
(17.4°C)
-0.7°F
(-0.3°C)
25th Coolest Coolest since: 1967 1924
101st Warmest Warmest since: 1970 2010
Ties: 1912, 1937, 1962
Feb–Sep 1971
8-Month
59.4°F
(15.2°C)
59.8°F
(15.4°C)
-0.4°F
(-0.2°C)
39th Coolest Coolest since: 1967 1907
87th Warmest Warmest since: 1970 2012
Ties: 1909, 1965
Jan–Sep 1971
9-Month
56.0°F
(13.3°C)
56.9°F
(13.8°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 1967 1940
99th Warmest Warmest since: 1970 2012
Ties: 1934, 1956, 1962
Dec 1970–Sep 1971
10-Month
54.0°F
(12.2°C)
54.8°F
(12.7°C)
-0.8°F
(-0.5°C)
28th Coolest Coolest since: 1970 1904
97th Warmest Warmest since: 1969 2012
Ties: 1901, 1914, 1934, 1964, 1979
Nov 1970–Sep 1971
11-Month
53.4°F
(11.9°C)
54.0°F
(12.2°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1970 1904
93rd Warmest Warmest since: 1969 2012
Ties: 1897, 1914, 1923, 1966, 1979, 1981, 1984
Oct 1970–Sep 1971
12-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1970 1904
80th Warmest Warmest since: 1969 2012
Ties: 1964
Apr 1970–Sep 1971
18-Month
58.5°F
(14.7°C)
58.5°F
(14.7°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1970 1904, 1918
72nd Warmest Warmest since: 1960 2012
Ties: 1906, 1938, 1946, 1972, 1996
Oct 1969–Sep 1971
24-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
27th Coolest Coolest since: 1968 1905
97th Warmest Warmest since: 1970 2017
Ties: 1911, 1962
Oct 1968–Sep 1971
36-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
29th Coolest Coolest since: 1970 1905, 1918
94th Warmest Warmest since: 1966 2018
Ties: 1902, 1929, 1966
Oct 1967–Sep 1971
48-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
24th Coolest Coolest since: 1970 1905
98th Warmest Warmest since: 1962 2019
Ties: 1902, 1909, 1937
Oct 1966–Sep 1971
60-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
17th Coolest Coolest since: 1970 1908
104th Warmest Warmest since: 1969 2019
Ties: 1912, 1968, 1969, 1982

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/