Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of May 2021. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, December 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1991
1-Month
44.0°F
(6.7°C)
43.1°F
(6.2°C)
0.9°F
(0.5°C)
78th Coolest Coolest since: 1990 1932, 1990
49th Warmest Warmest since: 1989 1958
Ties: 1953, 2002, 2003
Nov–Dec 1991
2-Month
47.8°F
(8.8°C)
46.3°F
(7.9°C)
1.5°F
(0.9°C)
94th Coolest Coolest since: 1990 1994
33rd Warmest Warmest since: 1989 1995
Ties: 1933, 2012
Oct–Dec 1991
3-Month
53.4°F
(11.9°C)
50.8°F
(10.4°C)
2.6°F
(1.5°C)
119th Coolest Coolest since: 1990 1916
8th Warmest Warmest since: 1958 1995
Ties: 1917, 1929
Sep–Dec 1991
4-Month
58.1°F
(14.5°C)
55.2°F
(12.9°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 1990 1916
7th Warmest Warmest since: 1958 2020
Aug–Dec 1991
5-Month
61.1°F
(16.2°C)
58.9°F
(14.9°C)
2.2°F
(1.3°C)
118th Coolest Coolest since: 1990 1916
9th Warmest Warmest since: 1958 2020
Ties: 1950, 1999
Jul–Dec 1991
6-Month
63.5°F
(17.5°C)
61.5°F
(16.4°C)
2.0°F
(1.1°C)
117th Coolest Coolest since: 1990 1916
10th Warmest Warmest since: 1958 2020
Ties: 1950
Jun–Dec 1991
7-Month
63.9°F
(17.7°C)
62.5°F
(16.9°C)
1.4°F
(0.8°C)
103rd Coolest Coolest since: 1990 1916
24th Warmest Warmest since: 1981 2020
May–Dec 1991
8-Month
63.1°F
(17.3°C)
62.2°F
(16.8°C)
0.9°F
(0.5°C)
89th Coolest Coolest since: 1990 1916
38th Warmest Warmest since: 1988 2020
Ties: 1917, 1926, 1969, 2000
Apr–Dec 1991
9-Month
62.0°F
(16.7°C)
61.4°F
(16.3°C)
0.6°F
(0.4°C)
84th Coolest Coolest since: 1990 1916
43rd Warmest Warmest since: 1990 2014, 2020
Ties: 1910, 1990, 1999
Mar–Dec 1991
10-Month
60.3°F
(15.7°C)
60.1°F
(15.6°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 1985 1912
54th Warmest Warmest since: 1990 2014
Ties: 1949
Feb–Dec 1991
11-Month
59.5°F
(15.3°C)
58.8°F
(14.9°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1990 1911
39th Warmest Warmest since: 1989 2014
Ties: 1937, 1977, 2019
Jan–Dec 1991
12-Month
58.1°F
(14.5°C)
57.3°F
(14.1°C)
0.8°F
(0.4°C)
90th Coolest Coolest since: 1990 1911
37th Warmest Warmest since: 1989 2014
Ties: 1950, 1980, 1989
Jul 1990–Dec 1991
18-Month
59.3°F
(15.2°C)
58.7°F
(14.8°C)
0.6°F
(0.4°C)
85th Coolest Coolest since: 1990 1912
41st Warmest Warmest since: 1989 2015
Ties: 1926, 1938, 1943, 1950, 1951, 1987
Jan 1990–Dec 1991
24-Month
58.0°F
(14.4°C)
57.3°F
(14.1°C)
0.7°F
(0.3°C)
90th Coolest Coolest since: 1990 1912
36th Warmest Warmest since: 1990 2015
Ties: 1926, 1941, 1958, 1990
Jan 1989–Dec 1991
36-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1986 1913
36th Warmest Warmest since: 1990 2016
Ties: 1940, 1941, 1986
Jan 1988–Dec 1991
48-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1987 1912, 1914
30th Warmest Warmest since: 1990 2017
Ties: 1960, 1981, 1987, 1993, 2000, 2011
Jan 1987–Dec 1991
60-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
92nd Coolest Coolest since: 1987 1912
31st Warmest Warmest since: 1990 2018
Ties: 1961, 1962, 1993, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 12, 2021 from https://www.ncdc.noaa.gov/cag/