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 1940

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1940
1-Month
46.1°F
(7.8°C)
43.1°F
(6.2°C)
3.0°F
(1.6°C)
114th Coolest
Coolest since:
1932, 1990
14th Warmest
Warmest since:
1958
Ties: 2005
Nov–Dec 1940
2-Month
47.2°F
(8.4°C)
46.4°F
(8.0°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1994
45th Warmest
Warmest since:
1995
Ties: 1904, 1907, 1943, 1983, 2001, 2007, 2010
Oct–Dec 1940
3-Month
51.5°F
(10.8°C)
50.7°F
(10.4°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1916
47th Warmest
Warmest since:
1995, 2014
Ties: 1955, 1967, 2013
Sep–Dec 1940
4-Month
55.3°F
(12.9°C)
55.2°F
(12.9°C)
0.1°F
(0.0°C)
56th Coolest
Coolest since:
1916
72nd Warmest
Warmest since:
2020
Ties: 1926, 1956, 1960, 1975
Aug–Dec 1940
5-Month
59.2°F
(15.1°C)
58.9°F
(14.9°C)
0.3°F
(0.2°C)
71st Coolest
Coolest since:
1916
57th Warmest
Warmest since:
2020
Ties: 1904, 1921, 1964, 1993
Jul–Dec 1940
6-Month
61.6°F
(16.4°C)
61.5°F
(16.4°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1916
70th Warmest
Warmest since:
2020
Ties: 1938, 1970, 1987
Jun–Dec 1940
7-Month
63.2°F
(17.3°C)
62.5°F
(16.9°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2020
Ties: 1926, 1962, 1974, 1980, 1992
May–Dec 1940
8-Month
63.3°F
(17.4°C)
62.2°F
(16.8°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1916
34th Warmest
Warmest since:
2020
Apr–Dec 1940
9-Month
62.5°F
(16.9°C)
61.4°F
(16.3°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1916
31st Warmest
Warmest since:
2014, 2020
Ties: 1926, 1988, 1995, 2000
Mar–Dec 1940
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
24th Warmest
Warmest since:
2014
Ties: 1936, 1950, 1958, 1988, 1989, 2009, 2019
Feb–Dec 1940
11-Month
60.1°F
(15.6°C)
58.8°F
(14.9°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1911
26th Warmest
Warmest since:
2014
Jan–Dec 1940
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
24th Warmest
Warmest since:
2014
Ties: 1926, 1988, 2000, 2002, 2009
Jul 1939–Dec 1940
18-Month
60.2°F
(15.7°C)
58.7°F
(14.8°C)
1.5°F
(0.9°C)
106th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2015
Ties: 2000, 2006, 2007
Jan 1939–Dec 1940
24-Month
58.6°F
(14.8°C)
57.4°F
(14.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1912
23rd Warmest
Warmest to Date
2015
Ties: 1987, 2006
Jan 1938–Dec 1940
36-Month
58.1°F
(14.5°C)
57.3°F
(14.1°C)
0.8°F
(0.4°C)
89th Coolest
Coolest since:
1913
37th Warmest
Warmest since:
2016
Ties: 1941, 1986, 1991
Jan 1937–Dec 1940
48-Month
57.9°F
(14.4°C)
57.4°F
(14.1°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1912, 1914
44th Warmest
Warmest since:
2017
Ties: 1934, 1941, 1984
Jan 1936–Dec 1940
60-Month
58.0°F
(14.4°C)
57.3°F
(14.1°C)
0.7°F
(0.3°C)
86th Coolest
Coolest since:
1912, 1913
38th Warmest
Warmest to Date
2018
Ties: 1960, 1987

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