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, December 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2017
1-Month 		47.5°F
(8.6°C)		 43.1°F
(6.2°C)		 4.4°F
(2.4°C)		 125th Coolest
Coolest since:
 1932, 1990
4th Warmest
Warmest since:
 1958
Nov–Dec 2017
2-Month 		50.4°F
(10.2°C)		 46.3°F
(7.9°C)		 4.1°F
(2.3°C)		 126th Coolest
Coolest since:
 1994
3rd Warmest
Warmest since:
 1995
Oct–Dec 2017
3-Month 		54.3°F
(12.4°C)		 50.7°F
(10.4°C)		 3.6°F
(2.0°C)		 125th Coolest
Coolest since:
 1916
4th Warmest
Warmest since:
 1995, 2014
Sep–Dec 2017
4-Month 		58.2°F
(14.6°C)		 55.2°F
(12.9°C)		 3.0°F
(1.7°C)		 125th Coolest
Coolest since:
 1916
4th Warmest
Warmest since:
 2020
Ties: 1958, 1999
Aug–Dec 2017
5-Month 		62.1°F
(16.7°C)		 58.9°F
(14.9°C)		 3.2°F
(1.8°C)		 126th Coolest
Coolest since:
 1916
3rd Warmest
Warmest since:
 2020
Ties: 1995
Jul–Dec 2017
6-Month 		64.9°F
(18.3°C)		 61.5°F
(16.4°C)		 3.4°F
(1.9°C)		 126th Coolest
Coolest since:
 1916
3rd Warmest
Warmest since:
 2020
Jun–Dec 2017
7-Month 		66.0°F
(18.9°C)		 62.4°F
(16.9°C)		 3.6°F
(2.0°C)		 127th Coolest
Coolest since:
 1916
2nd Warmest
Warmest since:
 2020
Ties: 2014
May–Dec 2017
8-Month 		65.7°F
(18.7°C)		 62.3°F
(16.8°C)		 3.4°F
(1.9°C)		 126th Coolest
Coolest since:
 1916
3rd Warmest
Warmest since:
 2020
Apr–Dec 2017
9-Month 		64.6°F
(18.1°C)		 61.4°F
(16.3°C)		 3.2°F
(1.8°C)		 125th Coolest
Coolest since:
 1916
4th Warmest
Warmest since:
 2014, 2020
Mar–Dec 2017
10-Month 		63.5°F
(17.5°C)		 60.1°F
(15.6°C)		 3.4°F
(1.9°C)		 127th Coolest
Coolest since:
 1912
2nd Warmest
Warmest since:
 2014
Feb–Dec 2017
11-Month 		62.0°F
(16.7°C)		 58.8°F
(14.9°C)		 3.2°F
(1.8°C)		 127th Coolest
Coolest since:
 1911
2nd Warmest
Warmest since:
 2014
Jan–Dec 2017
12-Month 		60.3°F
(15.7°C)		 57.3°F
(14.1°C)		 3.0°F
(1.6°C)		 124th Coolest
Coolest since:
 1911
5th Warmest
Warmest since:
 2014
Jul 2016–Dec 2017
18-Month 		61.3°F
(16.3°C)		 58.8°F
(14.9°C)		 2.5°F
(1.4°C)		 122nd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2015
Ties: 2020
Jan 2016–Dec 2017
24-Month 		60.2°F
(15.7°C)		 57.3°F
(14.1°C)		 2.9°F
(1.6°C)		 123rd Coolest
Coolest since:
 1912
5th Warmest
Warmest since:
 2015
Ties: 2018, 2022
Jan 2015–Dec 2017
36-Month 		60.4°F
(15.8°C)		 57.4°F
(14.1°C)		 3.0°F
(1.7°C)		 124th Coolest
Coolest since:
 1913
3rd Warmest
Warmest since:
 2016
Jan 2014–Dec 2017
48-Month 		60.7°F
(15.9°C)		 57.4°F
(14.1°C)		 3.3°F
(1.8°C)		 125th Coolest
Coolest since:
 1912, 1914
1st Warmest
Warmest to Date
 2017
Jan 2013–Dec 2017
60-Month 		60.4°F
(15.8°C)		 57.4°F
(14.1°C)		 3.0°F
(1.7°C)		 123rd Coolest
Coolest since:
 1912, 1913
2nd Warmest
Warmest to Date
 2018

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