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 1975

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1975
1-Month
65.5°F
(18.6°C)
67.4°F
(19.7°C)
-1.9°F
(-1.1°C)
18th Coolest Coolest since: 1967 1917
108th Warmest Warmest since: 1974 2018
Ties: 1956
Aug–Sep 1975
2-Month
70.6°F
(21.4°C)
70.5°F
(21.4°C)
0.1°F
(0.0°C)
56th Coolest Coolest since: 1974 1927, 1963
70th Warmest Warmest since: 1973 2018
Ties: 1920, 1953, 1996
Jul–Sep 1975
3-Month
71.9°F
(22.2°C)
72.2°F
(22.3°C)
-0.3°F
(-0.1°C)
44th Coolest Coolest since: 1974 1909
82nd Warmest Warmest since: 1974 2016
Ties: 1974, 1979
Jun–Sep 1975
4-Month
71.7°F
(22.1°C)
71.9°F
(22.2°C)
-0.2°F
(-0.1°C)
51st Coolest Coolest since: 1974 1927
75th Warmest Warmest since: 1973 2010
Ties: 1947
May–Sep 1975
5-Month
70.2°F
(21.2°C)
69.9°F
(21.1°C)
0.3°F
(0.1°C)
66th Coolest Coolest since: 1974 1924, 1927
60th Warmest Warmest since: 1973 2010
Ties: 1895, 1969, 2003
Apr–Sep 1975
6-Month
66.4°F
(19.1°C)
66.9°F
(19.4°C)
-0.5°F
(-0.3°C)
27th Coolest Coolest since: 1972 1907
99th Warmest Warmest since: 1974 2010
Ties: 1918, 1919, 1962, 1971, 1979
Mar–Sep 1975
7-Month
62.9°F
(17.2°C)
63.5°F
(17.5°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1972 1924
94th Warmest Warmest since: 1974 2010
Ties: 1965, 1966
Feb–Sep 1975
8-Month
59.6°F
(15.3°C)
59.8°F
(15.4°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1972 1907
81st Warmest Warmest since: 1974 2012
Ties: 1908, 1932, 1936
Jan–Sep 1975
9-Month
57.2°F
(14.0°C)
56.9°F
(13.8°C)
0.3°F
(0.2°C)
60th Coolest Coolest since: 1972 1940
66th Warmest Warmest since: 1974 2012
Ties: 1919, 1929, 1988
Dec 1974–Sep 1975
10-Month
55.4°F
(13.0°C)
54.8°F
(12.7°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1972 1904
50th Warmest Warmest since: 1974 2012
Ties: 1900, 1906, 1919, 1988
Nov 1974–Sep 1975
11-Month
54.6°F
(12.6°C)
54.0°F
(12.2°C)
0.6°F
(0.4°C)
76th Coolest Coolest since: 1972 1904
49th Warmest Warmest since: 1974 2012
Ties: 1997
Oct 1974–Sep 1975
12-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 1971 1904
61st Warmest Warmest since: 1974 2012
Ties: 1951, 1960
Apr 1974–Sep 1975
18-Month
58.6°F
(14.8°C)
58.5°F
(14.7°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1973 1904, 1918
66th Warmest Warmest since: 1974 2012
Ties: 1898, 1944, 1959, 1973, 1981, 2001
Oct 1973–Sep 1975
24-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
81st Coolest Coolest since: 1973 1905
43rd Warmest Warmest since: 1974 2017
Ties: 1930, 1973, 1985, 1988
Oct 1972–Sep 1975
36-Month
54.9°F
(12.7°C)
54.2°F
(12.3°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 1974 1905, 1918
38th Warmest Warmest since: 1974 2018
Ties: 1923, 1934, 1974, 1997
Oct 1971–Sep 1975
48-Month
54.8°F
(12.7°C)
54.1°F
(12.3°C)
0.7°F
(0.4°C)
82nd Coolest Coolest since: 1974 1905
40th Warmest Warmest since: 1957 2019
Ties: 1950, 1957
Oct 1970–Sep 1975
60-Month
54.6°F
(12.6°C)
54.1°F
(12.3°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1974 1908
46th Warmest Warmest since: 1957 2019
Ties: 1949, 1950, 1986

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/