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, May 2020

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
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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
May 2020
1-Month
60.6°F
(15.9°C)
62.1°F
(16.7°C)
-1.5°F
(-0.8°C)
29th Coolest
Coolest since:
1967
100th Warmest
Warmest since:
2004
Ties: 1923, 1996
Apr–May 2020
2-Month
56.2°F
(13.4°C)
57.1°F
(13.9°C)
-0.9°F
(-0.5°C)
32nd Coolest
Coolest since:
1907
97th Warmest
Warmest since:
2019
Ties: 1925, 1968, 1984, 1988
Mar–May 2020
3-Month
54.0°F
(12.2°C)
52.3°F
(11.3°C)
1.7°F
(0.9°C)
97th Coolest
Coolest since:
1940
32nd Warmest
Warmest since:
2012
Ties: 2008, 2009, 2015
Feb–May 2020
4-Month
51.0°F
(10.6°C)
47.9°F
(8.8°C)
3.1°F
(1.8°C)
117th Coolest
Coolest since:
1934
12th Warmest
Warmest since:
2012
Ties: 1990
Jan–May 2020
5-Month
48.8°F
(9.3°C)
44.9°F
(7.2°C)
3.9°F
(2.1°C)
121st Coolest
Coolest since:
1940
8th Warmest
Warmest since:
2012
Dec 2019–May 2020
6-Month
47.3°F
(8.5°C)
43.4°F
(6.3°C)
3.9°F
(2.2°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Nov 2019–May 2020
7-Month
46.8°F
(8.2°C)
43.8°F
(6.6°C)
3.0°F
(1.6°C)
116th Coolest
Coolest since:
1904
12th Warmest
Warmest since:
2012
Ties: 1921
Oct 2019–May 2020
8-Month
48.6°F
(9.2°C)
45.3°F
(7.4°C)
3.3°F
(1.8°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Sep 2019–May 2020
9-Month
51.2°F
(10.7°C)
47.8°F
(8.8°C)
3.4°F
(1.9°C)
121st Coolest
Coolest since:
1904, 1918
7th Warmest
Warmest since:
2012
Aug 2019–May 2020
10-Month
53.7°F
(12.1°C)
50.4°F
(10.2°C)
3.3°F
(1.9°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 2006
Jul 2019–May 2020
11-Month
56.1°F
(13.4°C)
52.7°F
(11.5°C)
3.4°F
(1.9°C)
123rd Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2012
Ties: 2002
Jun 2019–May 2020
12-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2012
Dec 2018–May 2020
18-Month
54.2°F
(12.3°C)
50.7°F
(10.4°C)
3.5°F
(1.9°C)
124th Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
2017
Ties: 2012
Jun 2018–May 2020
24-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest
Coolest since:
1905
4th Warmest
Warmest since:
2017
Jun 2017–May 2020
36-Month
57.2°F
(14.0°C)
54.1°F
(12.3°C)
3.1°F
(1.7°C)
120th Coolest
Coolest since:
1906
6th Warmest
Warmest since:
2018, 2021
Ties: 2012
Jun 2016–May 2020
48-Month
57.5°F
(14.2°C)
54.1°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest
Coolest since:
1907
2nd Warmest
Warmest since:
2019
Jun 2015–May 2020
60-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest
Coolest since:
1908
1st Warmest
Warmest to Date
2020

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