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 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1966
1-Month
65.6°F
(18.7°C)
67.4°F
(19.7°C)
-1.8°F
(-1.0°C)
20th Coolest Coolest since: 1963 1917
106th Warmest Warmest since: 1965 2018
Ties: 1916
Aug–Sep 1966
2-Month
70.1°F
(21.2°C)
70.5°F
(21.4°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1964 1927, 1963
83rd Warmest Warmest since: 1965 2018
Ties: 1949, 1972, 1990
Jul–Sep 1966
3-Month
72.2°F
(22.3°C)
72.2°F
(22.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1965 1909
72nd Warmest Warmest since: 1961 2016
Ties: 1960, 1971, 1994
Jun–Sep 1966
4-Month
72.0°F
(22.2°C)
71.9°F
(22.2°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1965 1927
66th Warmest Warmest since: 1961 2010
Ties: 1932, 1969, 1971
May–Sep 1966
5-Month
69.6°F
(20.9°C)
69.9°F
(21.1°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 1963 1924, 1927
85th Warmest Warmest since: 1965 2010
Ties: 1938, 1948, 1971, 1978, 1984
Apr–Sep 1966
6-Month
66.1°F
(18.9°C)
67.0°F
(19.4°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1963 1907
104th Warmest Warmest since: 1965 2010
Ties: 1902, 1916
Mar–Sep 1966
7-Month
62.9°F
(17.2°C)
63.5°F
(17.5°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1965 1924
94th Warmest Warmest since: 1965 2010
Ties: 1965, 1975
Feb–Sep 1966
8-Month
59.2°F
(15.1°C)
59.9°F
(15.5°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1963 1907
93rd Warmest Warmest since: 1965 2012
Ties: 1937, 1982
Jan–Sep 1966
9-Month
55.9°F
(13.3°C)
56.9°F
(13.8°C)
-1.0°F
(-0.5°C)
23rd Coolest Coolest since: 1963 1940
103rd Warmest Warmest since: 1965 2012
Ties: 1897, 1928, 1935
Dec 1965–Sep 1966
10-Month
54.1°F
(12.3°C)
54.8°F
(12.7°C)
-0.7°F
(-0.4°C)
34th Coolest Coolest since: 1964 1904
91st Warmest Warmest since: 1965 2012
Ties: 1928, 1984
Nov 1965–Sep 1966
11-Month
53.4°F
(11.9°C)
54.0°F
(12.2°C)
-0.6°F
(-0.3°C)
32nd Coolest Coolest since: 1963 1904
93rd Warmest Warmest since: 1965 2012
Ties: 1897, 1914, 1923, 1971, 1979, 1981, 1984
Oct 1965–Sep 1966
12-Month
53.4°F
(11.9°C)
54.2°F
(12.3°C)
-0.8°F
(-0.4°C)
27th Coolest Coolest since: 1963 1904
98th Warmest Warmest since: 1965 2012
Ties: 1961, 1977
Apr 1965–Sep 1966
18-Month
57.9°F
(14.4°C)
58.5°F
(14.7°C)
-0.6°F
(-0.3°C)
24th Coolest Coolest since: 1964 1904, 1918
101st Warmest Warmest since: 1965 2012
Ties: 1911, 1964, 1970, 1977, 1978, 1979
Oct 1964–Sep 1966
24-Month
53.6°F
(12.0°C)
54.2°F
(12.3°C)
-0.6°F
(-0.3°C)
30th Coolest Coolest since: 1964 1905
94th Warmest Warmest since: 1965 2017
Ties: 1897, 1970
Oct 1963–Sep 1966
36-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
29th Coolest Coolest since: 1965 1905, 1918
94th Warmest Warmest since: 1962 2018
Ties: 1902, 1929, 1971
Oct 1962–Sep 1966
48-Month
53.4°F
(11.9°C)
54.2°F
(12.3°C)
-0.8°F
(-0.4°C)
13th Coolest Coolest since: 1964 1905
109th Warmest Warmest since: 1965 2019
Ties: 1910, 1929, 1968, 1969
Oct 1961–Sep 1966
60-Month
53.4°F
(11.9°C)
54.1°F
(12.3°C)
-0.7°F
(-0.4°C)
11th Coolest Coolest since: 1965 1908
110th Warmest Warmest since: 1965 2019
Ties: 1904, 1911, 1928, 1965, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/