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 2015

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2015
1-Month
54.2°F
(12.3°C)
52.0°F
(11.1°C)
2.2°F
(1.2°C)
92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
2017
Ties: 1929
Mar–Apr 2015
2-Month
47.1°F
(8.4°C)
47.4°F
(8.6°C)
-0.3°F
(-0.2°C)
57th Coolest
Coolest since:
1940
72nd Warmest
Warmest since:
1921
Feb–Apr 2015
3-Month
40.2°F
(4.6°C)
43.1°F
(6.2°C)
-2.9°F
(-1.6°C)
13th Coolest
Coolest since:
1934
116th Warmest
Warmest since:
2012
Ties: 1958
Jan–Apr 2015
4-Month
38.2°F
(3.4°C)
40.7°F
(4.8°C)
-2.5°F
(-1.4°C)
16th Coolest
Coolest since:
1940
113th Warmest
Warmest since:
2012
Dec 2014–Apr 2015
5-Month
38.7°F
(3.7°C)
39.7°F
(4.3°C)
-1.0°F
(-0.6°C)
36th Coolest
Coolest since:
1904
92nd Warmest
Warmest since:
2012
Ties: 1962, 1966
Nov 2014–Apr 2015
6-Month
39.7°F
(4.3°C)
40.7°F
(4.8°C)
-1.0°F
(-0.5°C)
29th Coolest
Coolest since:
1904
99th Warmest
Warmest since:
2012
Ties: 1958
Oct 2014–Apr 2015
7-Month
42.5°F
(5.8°C)
43.0°F
(6.1°C)
-0.5°F
(-0.3°C)
43rd Coolest
Coolest since:
1904
85th Warmest
Warmest since:
2012
Ties: 1964, 1969, 1984
Sep 2014–Apr 2015
8-Month
45.8°F
(7.7°C)
46.0°F
(7.8°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1918
80th Warmest
Warmest since:
2012
Ties: 1923, 1981, 2001
Aug 2014–Apr 2015
9-Month
48.8°F
(9.3°C)
49.1°F
(9.5°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1918
86th Warmest
Warmest since:
2017
Ties: 1906, 1948, 1979, 1993, 2001
Jul 2014–Apr 2015
10-Month
51.5°F
(10.8°C)
51.7°F
(10.9°C)
-0.2°F
(-0.1°C)
45th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2012, 2017
Ties: 1906, 1931, 1967, 1993
Jun 2014–Apr 2015
11-Month
53.4°F
(11.9°C)
53.4°F
(11.9°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1931, 1947, 1969
May 2014–Apr 2015
12-Month
54.4°F
(12.4°C)
54.2°F
(12.3°C)
0.2°F
(0.1°C)
64th Coolest
Coolest since:
1918
64th Warmest
Warmest since:
2012
Ties: 1922, 1929, 1971, 1981
Nov 2013–Apr 2015
18-Month
49.7°F
(9.8°C)
49.7°F
(9.8°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1905
74th Warmest
Warmest since:
2017
Ties: 1901, 1956, 1977, 1997
May 2013–Apr 2015
24-Month
54.6°F
(12.6°C)
54.2°F
(12.3°C)
0.4°F
(0.3°C)
75th Coolest
Coolest since:
1905
52nd Warmest
Warmest since:
2017
Ties: 1939, 1945, 1973, 1984, 1997
May 2012–Apr 2015
36-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
101st Coolest
Coolest since:
1906
25th Warmest
Warmest since:
2021
Ties: 1993
May 2011–Apr 2015
48-Month
56.2°F
(13.4°C)
54.1°F
(12.3°C)
2.1°F
(1.1°C)
112th Coolest
Coolest since:
1905
13th Warmest
Warmest since:
2019, 2020
Ties: 2002
May 2010–Apr 2015
60-Month
56.3°F
(13.5°C)
54.1°F
(12.3°C)
2.2°F
(1.2°C)
113th Coolest
Coolest since:
1908
11th Warmest
Warmest since:
2020
Ties: 2008, 2009, 2010

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