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.

California

Average Temperature Rankings, April 2021

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 2021
1-Month		58.2°F
(14.6°C)		54.0°F
(12.2°C)		4.2°F
(2.4°C)		122nd Coolest
Coolest since:
1967
8th Warmest
Warmest since:
1989
Ties: 1962, 1985, 2013, 2019
Mar–Apr 2021
2-Month		53.2°F
(11.8°C)		51.4°F
(10.8°C)		1.8°F
(1.0°C)		95th Coolest
Coolest since:
1967
35th Warmest
Warmest since:
1934
Ties: 1930
Feb–Apr 2021
3-Month		51.3°F
(10.7°C)		49.4°F
(9.7°C)		1.9°F
(1.0°C)		104th Coolest
Coolest since:
1922
26th Warmest
Warmest since:
2015
Ties: 1940, 2020
Jan–Apr 2021
4-Month		49.8°F
(9.9°C)		47.6°F
(8.7°C)		2.2°F
(1.2°C)		113th Coolest
Coolest since:
1922
17th Warmest
Warmest since:
2015
Ties: 1931, 1940, 2020
Dec 2020–Apr 2021
5-Month		49.0°F
(9.4°C)		46.7°F
(8.2°C)		2.3°F
(1.2°C)		112th Coolest
Coolest since:
1917, 1949
17th Warmest
Warmest since:
2015
Nov 2020–Apr 2021
6-Month		49.3°F
(9.6°C)		47.2°F
(8.4°C)		2.1°F
(1.2°C)		114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2015
Oct 2020–Apr 2021
7-Month		51.7°F
(10.9°C)		48.9°F
(9.4°C)		2.8°F
(1.5°C)		121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 1992, 2016
Sep 2020–Apr 2021
8-Month		54.5°F
(12.5°C)		51.4°F
(10.8°C)		3.1°F
(1.7°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Aug 2020–Apr 2021
9-Month		57.2°F
(14.0°C)		53.9°F
(12.2°C)		3.3°F
(1.8°C)		127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Jul 2020–Apr 2021
10-Month		59.1°F
(15.1°C)		56.0°F
(13.3°C)		3.1°F
(1.8°C)		127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Ties: 2018
Jun 2020–Apr 2021
11-Month		60.2°F
(15.7°C)		57.1°F
(13.9°C)		3.1°F
(1.8°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
May 2020–Apr 2021
12-Month		60.5°F
(15.8°C)		57.4°F
(14.1°C)		3.1°F
(1.7°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Nov 2019–Apr 2021
18-Month		56.8°F
(13.8°C)		54.0°F
(12.2°C)		2.8°F
(1.6°C)		124th Coolest
Coolest since:
1949
4th Warmest
Warmest since:
2015
Ties: 2018
May 2019–Apr 2021
24-Month		59.7°F
(15.4°C)		57.4°F
(14.1°C)		2.3°F
(1.3°C)		121st Coolest
Coolest since:
1913
7th Warmest
Warmest since:
2015
Ties: 2017
May 2018–Apr 2021
36-Month		59.6°F
(15.3°C)		57.4°F
(14.1°C)		2.2°F
(1.2°C)		119th Coolest
Coolest since:
1913, 1917
8th Warmest
Warmest since:
2016
Ties: 2020
May 2017–Apr 2021
48-Month		59.9°F
(15.5°C)		57.4°F
(14.1°C)		2.5°F
(1.4°C)		122nd Coolest
Coolest since:
1913
4th Warmest
Warmest since:
2018
Ties: 2015, 2019, 2022
May 2016–Apr 2021
60-Month		59.8°F
(15.4°C)		57.3°F
(14.1°C)		2.5°F
(1.3°C)		119th Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2018

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