Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Average Temperature Rankings, September 1920

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1920
1-Month
67.6°F
(19.8°C)
67.4°F
(19.7°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2018
Ties: 1922
Aug–Sep 1920
2-Month
70.6°F
(21.4°C)
70.6°F
(21.4°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1927, 1963
73rd Warmest
Warmest since:
2018
Jul–Sep 1920
3-Month
71.5°F
(21.9°C)
72.2°F
(22.3°C)
-0.7°F
(-0.4°C)
27th Coolest
Coolest since:
1909
102nd Warmest
Warmest since:
2016
Ties: 1899, 1905, 1935, 1937, 1964, 1992
Jun–Sep 1920
4-Month
71.1°F
(21.7°C)
71.9°F
(22.2°C)
-0.8°F
(-0.5°C)
27th Coolest
Coolest since:
1927
102nd Warmest
Warmest since:
2010
Ties: 1905, 1915, 1919, 1926, 1928, 1929, 1958
May–Sep 1920
5-Month
68.3°F
(20.2°C)
69.9°F
(21.1°C)
-1.6°F
(-0.9°C)
7th Coolest
Coolest since:
1924, 1927
122nd Warmest
Warmest since:
2010
Ties: 1903, 1992
Apr–Sep 1920
6-Month
65.4°F
(18.6°C)
66.9°F
(19.4°C)
-1.5°F
(-0.8°C)
8th Coolest
Coolest since:
1907
121st Warmest
Warmest since:
2010
Mar–Sep 1920
7-Month
62.1°F
(16.7°C)
63.5°F
(17.5°C)
-1.4°F
(-0.8°C)
12th Coolest
Coolest since:
1924
117th Warmest
Warmest since:
2010
Ties: 1928, 1956, 1992
Feb–Sep 1920
8-Month
58.2°F
(14.6°C)
59.8°F
(15.4°C)
-1.6°F
(-0.8°C)
10th Coolest
Coolest since:
1907
119th Warmest
Warmest since:
2012
Ties: 1895
Jan–Sep 1920
9-Month
54.7°F
(12.6°C)
56.9°F
(13.8°C)
-2.2°F
(-1.2°C)
4th Coolest
Coolest since:
1940
125th Warmest
Warmest since:
2012
Dec 1919–Sep 1920
10-Month
52.4°F
(11.3°C)
54.8°F
(12.7°C)
-2.4°F
(-1.4°C)
3rd Coolest
Coolest since:
1904
125th Warmest
Warmest since:
2012
Nov 1919–Sep 1920
11-Month
51.7°F
(10.9°C)
54.0°F
(12.2°C)
-2.3°F
(-1.3°C)
5th Coolest
Coolest since:
1904
123rd Warmest
Warmest since:
2012
Oct 1919–Sep 1920
12-Month
52.6°F
(11.4°C)
54.2°F
(12.3°C)
-1.6°F
(-0.9°C)
9th Coolest
Coolest since:
1904
119th Warmest
Warmest since:
2012
Ties: 1927
Apr 1919–Sep 1920
18-Month
57.2°F
(14.0°C)
58.4°F
(14.7°C)
-1.2°F
(-0.7°C)
9th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2012
Ties: 1968
Oct 1918–Sep 1920
24-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
33rd Coolest
Coolest since:
1905
94th Warmest
Warmest since:
2017
Ties: 1915, 1926, 1969
Oct 1917–Sep 1920
36-Month
53.0°F
(11.7°C)
54.2°F
(12.3°C)
-1.2°F
(-0.6°C)
6th Coolest
Coolest since:
1905, 1918
120th Warmest
Warmest since:
2018
Ties: 1919, 1928
Oct 1916–Sep 1920
48-Month
52.9°F
(11.6°C)
54.2°F
(12.3°C)
-1.3°F
(-0.7°C)
4th Coolest
Coolest since:
1905
121st Warmest
Warmest since:
2019
Oct 1915–Sep 1920
60-Month
52.9°F
(11.6°C)
54.1°F
(12.3°C)
-1.2°F
(-0.7°C)
5th Coolest
Coolest since:
1908
119th Warmest
Warmest since:
2020
Ties: 1918

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