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 2009

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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2009
1-Month
41.8°F
(5.4°C)
43.1°F
(6.2°C)
-1.3°F
(-0.8°C)
34th Coolest
Coolest since:
1932, 1990
95th Warmest
Warmest since:
1958
Ties: 1923, 1954
Nov–Dec 2009
2-Month
46.4°F
(8.0°C)
46.4°F
(8.0°C)
0.0°F
(0.0°C)
64th Coolest
Coolest since:
1994
65th Warmest
Warmest since:
1995
Ties: 1925, 1936, 1973
Oct–Dec 2009
3-Month
50.3°F
(10.2°C)
50.7°F
(10.4°C)
-0.4°F
(-0.2°C)
44th Coolest
Coolest since:
1916
85th Warmest
Warmest since:
1995, 2014
Ties: 1923, 1932, 2000
Sep–Dec 2009
4-Month
56.0°F
(13.3°C)
55.2°F
(12.9°C)
0.8°F
(0.4°C)
87th Coolest
Coolest since:
1916
42nd Warmest
Warmest since:
2020
Ties: 1955, 1963, 1966, 1974, 1987, 2013
Aug–Dec 2009
5-Month
59.7°F
(15.4°C)
58.9°F
(14.9°C)
0.8°F
(0.5°C)
88th Coolest
Coolest since:
1916
41st Warmest
Warmest since:
2020
Ties: 1955, 1987, 1997, 2010
Jul–Dec 2009
6-Month
62.7°F
(17.1°C)
61.5°F
(16.4°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1916
34th Warmest
Warmest since:
2020
Ties: 2013
Jun–Dec 2009
7-Month
63.4°F
(17.4°C)
62.5°F
(16.9°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1916
35th Warmest
Warmest since:
2020
Ties: 1936, 2007, 2010
May–Dec 2009
8-Month
63.8°F
(17.7°C)
62.3°F
(16.8°C)
1.5°F
(0.9°C)
109th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2020
Apr–Dec 2009
9-Month
62.7°F
(17.1°C)
61.3°F
(16.3°C)
1.4°F
(0.8°C)
104th Coolest
Coolest since:
1916
25th Warmest
Warmest since:
2014, 2020
Ties: 1997, 2007
Mar–Dec 2009
10-Month
61.4°F
(16.3°C)
60.1°F
(15.6°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2014
Ties: 1936, 1940, 1950, 1958, 1988, 1989, 2019
Feb–Dec 2009
11-Month
59.9°F
(15.5°C)
58.7°F
(14.8°C)
1.2°F
(0.7°C)
99th Coolest
Coolest since:
1911
30th Warmest
Warmest since:
2014
Ties: 1936, 2005, 2006
Jan–Dec 2009
12-Month
58.8°F
(14.9°C)
57.3°F
(14.1°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1911
25th Warmest
Warmest since:
2014
Ties: 1926, 1940, 1988, 2000, 2002
Jul 2008–Dec 2009
18-Month
60.5°F
(15.8°C)
58.8°F
(14.9°C)
1.7°F
(0.9°C)
113th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
2015
Ties: 1981, 1997, 2004
Jan 2008–Dec 2009
24-Month
58.9°F
(14.9°C)
57.4°F
(14.1°C)
1.5°F
(0.8°C)
111th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2015
Ties: 1959, 2008
Jan 2007–Dec 2009
36-Month
58.9°F
(14.9°C)
57.4°F
(14.1°C)
1.5°F
(0.8°C)
113th Coolest
Coolest since:
1913
14th Warmest
Warmest since:
2016
Ties: 2002
Jan 2006–Dec 2009
48-Month
58.8°F
(14.9°C)
57.3°F
(14.1°C)
1.5°F
(0.8°C)
111th Coolest
Coolest since:
1912, 1914
15th Warmest
Warmest since:
2017
Ties: 2007, 2008
Jan 2005–Dec 2009
60-Month
58.8°F
(14.9°C)
57.4°F
(14.1°C)
1.4°F
(0.8°C)
111th Coolest
Coolest since:
1912, 1913
14th Warmest
Warmest since:
2018
Ties: 2003, 2008

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