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, April 1917

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1917
1-Month
51.9°F
(11.1°C)
52.0°F
(11.1°C)
-0.1°F
(0.0°C)
59th Coolest
Coolest since:
1907
70th Warmest
Warmest since:
2017
Ties: 1909, 1978
Mar–Apr 1917
2-Month
46.5°F
(8.1°C)
47.4°F
(8.6°C)
-0.9°F
(-0.5°C)
46th Coolest
Coolest since:
1940
83rd Warmest
Warmest since:
1921
Ties: 1927, 1992, 1996
Feb–Apr 1917
3-Month
41.5°F
(5.3°C)
43.0°F
(6.1°C)
-1.5°F
(-0.8°C)
32nd Coolest
Coolest since:
1934
97th Warmest
Warmest since:
2012
Ties: 1972
Jan–Apr 1917
4-Month
39.6°F
(4.2°C)
40.6°F
(4.8°C)
-1.0°F
(-0.6°C)
38th Coolest
Coolest since:
1940
91st Warmest
Warmest since:
2012
Ties: 1911
Dec 1916–Apr 1917
5-Month
38.4°F
(3.6°C)
39.7°F
(4.3°C)
-1.3°F
(-0.7°C)
26th Coolest
Coolest since:
1904
102nd Warmest
Warmest since:
2012
Ties: 1969
Nov 1916–Apr 1917
6-Month
39.5°F
(4.2°C)
40.7°F
(4.8°C)
-1.2°F
(-0.6°C)
26th Coolest
Coolest since:
1904
102nd Warmest
Warmest since:
2012
Ties: 1900
Oct 1916–Apr 1917
7-Month
41.9°F
(5.5°C)
43.0°F
(6.1°C)
-1.1°F
(-0.6°C)
28th Coolest
Coolest since:
1904
100th Warmest
Warmest since:
2012
Ties: 1896, 1965
Sep 1916–Apr 1917
8-Month
44.9°F
(7.2°C)
46.0°F
(7.8°C)
-1.1°F
(-0.6°C)
21st Coolest
Coolest since:
1918
107th Warmest
Warmest since:
2012
Ties: 1916, 1944, 1956
Aug 1916–Apr 1917
9-Month
48.1°F
(8.9°C)
49.1°F
(9.5°C)
-1.0°F
(-0.6°C)
22nd Coolest
Coolest since:
1918
106th Warmest
Warmest since:
2017
Ties: 1899, 1900, 1964
Jul 1916–Apr 1917
10-Month
50.9°F
(10.5°C)
51.8°F
(11.0°C)
-0.9°F
(-0.5°C)
24th Coolest
Coolest since:
1918
104th Warmest
Warmest since:
2012, 2017
Ties: 1900, 1958, 1966
Jun 1916–Apr 1917
11-Month
52.3°F
(11.3°C)
53.5°F
(11.9°C)
-1.2°F
(-0.6°C)
15th Coolest
Coolest since:
1904
113th Warmest
Warmest since:
2012
Ties: 1908, 1912, 1941, 1978
May 1916–Apr 1917
12-Month
53.3°F
(11.8°C)
54.2°F
(12.3°C)
-0.9°F
(-0.5°C)
20th Coolest
Coolest since:
1918
108th Warmest
Warmest since:
2012
Ties: 1910, 1927, 1964, 1978
Nov 1915–Apr 1917
18-Month
48.5°F
(9.2°C)
49.7°F
(9.8°C)
-1.2°F
(-0.6°C)
11th Coolest
Coolest since:
1905
116th Warmest
Warmest since:
2017
Ties: 1927, 1936, 1970, 1978, 1979
May 1915–Apr 1917
24-Month
53.1°F
(11.7°C)
54.2°F
(12.3°C)
-1.1°F
(-0.6°C)
11th Coolest
Coolest since:
1905
116th Warmest
Warmest since:
2017
Ties: 1968, 1969
May 1914–Apr 1917
36-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
20th Coolest
Coolest since:
1906
106th Warmest
Warmest since:
2021
Ties: 1908, 1910, 1911, 1916, 1926, 1942, 1966
May 1913–Apr 1917
48-Month
53.5°F
(11.9°C)
54.2°F
(12.3°C)
-0.7°F
(-0.4°C)
19th Coolest
Coolest since:
1905
106th Warmest
Warmest since:
2019, 2020, 2022
Ties: 1912, 1929, 1969
May 1912–Apr 1917
60-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
36th Coolest
Coolest since:
1908
88th Warmest
Warmest since:
2020
Ties: 1903, 1913, 1916, 1931, 1937, 1938, 1940, 1944, 1979

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