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 2015

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2015
1-Month 		42.3°F
(5.7°C)		 43.1°F
(6.2°C)		 -0.8°F
(-0.5°C)		 47th Coolest
Coolest since:
 1932, 1990
82nd Warmest
Warmest since:
 1958
Ties: 1902, 1913
Nov–Dec 2015
2-Month 		45.0°F
(7.2°C)		 46.4°F
(8.0°C)		 -1.4°F
(-0.8°C)		 27th Coolest
Coolest since:
 1994
102nd Warmest
Warmest since:
 1995
Ties: 1920, 1922, 1951
Oct–Dec 2015
3-Month 		51.6°F
(10.9°C)		 50.7°F
(10.4°C)		 0.9°F
(0.5°C)		 88th Coolest
Coolest since:
 1916
41st Warmest
Warmest since:
 1995, 2014
Ties: 1903, 1910, 1964, 1986, 2010
Sep–Dec 2015
4-Month 		56.8°F
(13.8°C)		 55.2°F
(12.9°C)		 1.6°F
(0.9°C)		 109th Coolest
Coolest since:
 1916
20th Warmest
Warmest since:
 2020
Ties: 1929, 1939, 1979
Aug–Dec 2015
5-Month 		60.7°F
(15.9°C)		 58.9°F
(14.9°C)		 1.8°F
(1.0°C)		 113th Coolest
Coolest since:
 1916
16th Warmest
Warmest since:
 2020
Ties: 1937
Jul–Dec 2015
6-Month 		63.1°F
(17.3°C)		 61.5°F
(16.4°C)		 1.6°F
(0.9°C)		 108th Coolest
Coolest since:
 1916
21st Warmest
Warmest since:
 2020
Ties: 1933, 1939, 1988, 1999, 2002
Jun–Dec 2015
7-Month 		64.7°F
(18.2°C)		 62.5°F
(16.9°C)		 2.2°F
(1.3°C)		 120th Coolest
Coolest since:
 1916
9th Warmest
Warmest since:
 2020
Ties: 2012, 2016
May–Dec 2015
8-Month 		64.2°F
(17.9°C)		 62.2°F
(16.8°C)		 2.0°F
(1.1°C)		 115th Coolest
Coolest since:
 1916
14th Warmest
Warmest since:
 2020
Apr–Dec 2015
9-Month 		63.4°F
(17.4°C)		 61.4°F
(16.3°C)		 2.0°F
(1.1°C)		 119th Coolest
Coolest since:
 1916
10th Warmest
Warmest since:
 2014, 2020
Ties: 2013
Mar–Dec 2015
10-Month 		62.7°F
(17.1°C)		 60.1°F
(15.6°C)		 2.6°F
(1.5°C)		 124th Coolest
Coolest since:
 1912
5th Warmest
Warmest since:
 2014
Ties: 2022
Feb–Dec 2015
11-Month 		61.9°F
(16.6°C)		 58.8°F
(14.9°C)		 3.1°F
(1.7°C)		 126th Coolest
Coolest since:
 1911
3rd Warmest
Warmest since:
 2014
Ties: 2020
Jan–Dec 2015
12-Month 		60.8°F
(16.0°C)		 57.4°F
(14.1°C)		 3.4°F
(1.9°C)		 127th Coolest
Coolest since:
 1911
2nd Warmest
Warmest since:
 2014
Jul 2014–Dec 2015
18-Month 		62.2°F
(16.8°C)		 58.8°F
(14.9°C)		 3.4°F
(1.9°C)		 127th Coolest
Coolest since:
 1912
1st Warmest
Warmest to Date
 2015
Jan 2014–Dec 2015
24-Month 		61.1°F
(16.2°C)		 57.4°F
(14.1°C)		 3.7°F
(2.1°C)		 127th Coolest
Coolest since:
 1912
1st Warmest
Warmest to Date
 2015
Jan 2013–Dec 2015
36-Month 		60.5°F
(15.8°C)		 57.4°F
(14.1°C)		 3.1°F
(1.7°C)		 125th Coolest
Coolest since:
 1913
2nd Warmest
Warmest to Date
 2016
Jan 2012–Dec 2015
48-Month 		60.3°F
(15.7°C)		 57.4°F
(14.1°C)		 2.9°F
(1.6°C)		 123rd Coolest
Coolest since:
 1912, 1914
3rd Warmest
Warmest to Date
 2017
Ties: 2018
Jan 2011–Dec 2015
60-Month 		59.7°F
(15.4°C)		 57.4°F
(14.1°C)		 2.3°F
(1.3°C)		 117th Coolest
Coolest since:
 1912, 1913
8th Warmest
Warmest to Date
 2018

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