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 1958

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1958
1-Month
65.8°F
(18.8°C)
67.4°F
(19.7°C)
-1.6°F
(-0.9°C)
22nd Coolest Coolest since: 1956 1917
104th Warmest Warmest since: 1957 2018
Ties: 1988
Aug–Sep 1958
2-Month
69.5°F
(20.8°C)
70.6°F
(21.4°C)
-1.1°F
(-0.6°C)
23rd Coolest Coolest since: 1956 1927, 1963
103rd Warmest Warmest since: 1957 2018
Ties: 1918
Jul–Sep 1958
3-Month
72.1°F
(22.3°C)
72.2°F
(22.3°C)
-0.1°F
(0.0°C)
48th Coolest Coolest since: 1956 1909
78th Warmest Warmest since: 1957 2016
Ties: 1896, 1910, 1915, 1951, 1965
Jun–Sep 1958
4-Month
71.1°F
(21.7°C)
71.8°F
(22.1°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1956 1927
98th Warmest Warmest since: 1957 2010
Ties: 1905, 1915, 1919, 1926, 1928, 1929
May–Sep 1958
5-Month
69.2°F
(20.7°C)
69.9°F
(21.1°C)
-0.7°F
(-0.4°C)
27th Coolest Coolest since: 1956 1924, 1927
99th Warmest Warmest since: 1957 2010
Ties: 1916, 1929, 1997
Apr–Sep 1958
6-Month
66.5°F
(19.2°C)
66.9°F
(19.4°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1956 1907
93rd Warmest Warmest since: 1957 2010
Ties: 1905, 1932, 1964, 1984
Mar–Sep 1958
7-Month
62.6°F
(17.0°C)
63.5°F
(17.5°C)
-0.9°F
(-0.5°C)
21st Coolest Coolest since: 1956 1924
105th Warmest Warmest since: 1957 2010
Ties: 1897, 1960, 1982
Feb–Sep 1958
8-Month
58.3°F
(14.6°C)
59.8°F
(15.4°C)
-1.5°F
(-0.8°C)
12th Coolest Coolest since: 1950 1907
114th Warmest Warmest since: 1957 2012
Ties: 1914, 1926
Jan–Sep 1958
9-Month
55.3°F
(12.9°C)
56.9°F
(13.8°C)
-1.6°F
(-0.9°C)
11th Coolest Coolest since: 1940 1940
115th Warmest Warmest since: 1957 2012
Ties: 1918
Dec 1957–Sep 1958
10-Month
53.7°F
(12.1°C)
54.8°F
(12.7°C)
-1.1°F
(-0.6°C)
20th Coolest Coolest since: 1956 1904
105th Warmest Warmest since: 1957 2012
Ties: 1897, 1899
Nov 1957–Sep 1958
11-Month
53.1°F
(11.7°C)
54.0°F
(12.2°C)
-0.9°F
(-0.5°C)
23rd Coolest Coolest since: 1956 1904
102nd Warmest Warmest since: 1957 2012
Ties: 1911, 1936, 1961, 1996
Oct 1957–Sep 1958
12-Month
53.1°F
(11.7°C)
54.2°F
(12.3°C)
-1.1°F
(-0.6°C)
19th Coolest Coolest since: 1956 1904
106th Warmest Warmest since: 1957 2012
Ties: 1899, 1934, 1970
Apr 1957–Sep 1958
18-Month
58.3°F
(14.6°C)
58.5°F
(14.7°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1956 1904, 1918
78th Warmest Warmest since: 1957 2012
Ties: 1984
Oct 1956–Sep 1958
24-Month
54.4°F
(12.4°C)
54.2°F
(12.3°C)
0.2°F
(0.1°C)
62nd Coolest Coolest since: 1957 1905
62nd Warmest Warmest since: 1957 2017
Ties: 1901, 1944, 1947, 1957
Oct 1955–Sep 1958
36-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1942 1905, 1918
76th Warmest Warmest since: 1957 2018
Ties: 1901, 1914, 1984
Oct 1954–Sep 1958
48-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1948 1905
63rd Warmest Warmest since: 1957 2019
Ties: 1923, 1946, 1947
Oct 1953–Sep 1958
60-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1948 1908
50th Warmest Warmest since: 1957 2019
Ties: 1925, 1945, 1946

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/