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 2018

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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
December 2018
1-Month
44.8°F
(7.1°C)
43.1°F
(6.2°C)
1.7°F
(0.9°C)
98th Coolest
Coolest since:
1932, 1990
31st Warmest
Warmest since:
1958
Ties: 1973, 1989
Nov–Dec 2018
2-Month
48.7°F
(9.3°C)
46.3°F
(7.9°C)
2.4°F
(1.4°C)
113th Coolest
Coolest since:
1994
16th Warmest
Warmest since:
1995
Ties: 2019
Oct–Dec 2018
3-Month
52.8°F
(11.6°C)
50.7°F
(10.4°C)
2.1°F
(1.2°C)
114th Coolest
Coolest since:
1916
15th Warmest
Warmest since:
1995, 2014
Ties: 2005
Sep–Dec 2018
4-Month
57.4°F
(14.1°C)
55.2°F
(12.9°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1916
10th Warmest
Warmest since:
2020
Ties: 2008
Aug–Dec 2018
5-Month
61.2°F
(16.2°C)
58.9°F
(14.9°C)
2.3°F
(1.3°C)
122nd Coolest
Coolest since:
1916
7th Warmest
Warmest since:
2020
Ties: 2008, 2022
Jul–Dec 2018
6-Month
64.2°F
(17.9°C)
61.5°F
(16.4°C)
2.7°F
(1.5°C)
125th Coolest
Coolest since:
1916
4th Warmest
Warmest since:
2020
Ties: 1995, 2021
Jun–Dec 2018
7-Month
65.3°F
(18.5°C)
62.5°F
(16.9°C)
2.8°F
(1.6°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
2020
May–Dec 2018
8-Month
65.0°F
(18.3°C)
62.3°F
(16.8°C)
2.7°F
(1.5°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
2020
Apr–Dec 2018
9-Month
64.1°F
(17.8°C)
61.3°F
(16.3°C)
2.8°F
(1.5°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
2014, 2020
Mar–Dec 2018
10-Month
62.6°F
(17.0°C)
60.1°F
(15.6°C)
2.5°F
(1.4°C)
122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2014
Feb–Dec 2018
11-Month
61.1°F
(16.2°C)
58.7°F
(14.8°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1911
8th Warmest
Warmest since:
2014
Jan–Dec 2018
12-Month
60.1°F
(15.6°C)
57.4°F
(14.1°C)
2.7°F
(1.5°C)
123rd Coolest
Coolest since:
1911
6th Warmest
Warmest since:
2014
Ties: 2016
Jul 2017–Dec 2018
18-Month
61.7°F
(16.5°C)
58.7°F
(14.8°C)
3.0°F
(1.7°C)
124th Coolest
Coolest since:
1912
4th Warmest
Warmest since:
2015
Jan 2017–Dec 2018
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: 2017, 2022
Jan 2016–Dec 2018
36-Month
60.2°F
(15.7°C)
57.4°F
(14.1°C)
2.8°F
(1.6°C)
122nd Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2016
Jan 2015–Dec 2018
48-Month
60.3°F
(15.7°C)
57.3°F
(14.1°C)
3.0°F
(1.6°C)
123rd Coolest
Coolest since:
1912, 1914
3rd Warmest
Warmest since:
2017
Ties: 2015
Jan 2014–Dec 2018
60-Month
60.6°F
(15.9°C)
57.4°F
(14.1°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1912, 1913
1st Warmest
Warmest to Date
2018

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