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 September 2020. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, May 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1991
1-Month
57.9°F
(14.4°C)
60.7°F
(15.9°C)
-2.8°F
(-1.5°C)
19th Coolest Coolest since: 1977 1977
108th Warmest Warmest since: 1990 2001
Ties: 1942
Apr–May 1991
2-Month
55.3°F
(12.9°C)
57.4°F
(14.1°C)
-2.1°F
(-1.2°C)
18th Coolest Coolest since: 1975 1967
109th Warmest Warmest since: 1990 1992
Mar–May 1991
3-Month
51.8°F
(11.0°C)
54.5°F
(12.5°C)
-2.7°F
(-1.5°C)
6th Coolest Coolest since: 1975 1917
121st Warmest Warmest since: 1990 1934
Feb–May 1991
4-Month
51.7°F
(10.9°C)
52.2°F
(11.2°C)
-0.5°F
(-0.3°C)
49th Coolest Coolest since: 1983 1917
78th Warmest Warmest since: 1990 1934
Ties: 1906, 1932
Jan–May 1991
5-Month
50.1°F
(10.1°C)
50.2°F
(10.1°C)
-0.1°F
(0.0°C)
59th Coolest Coolest since: 1982 1917
68th Warmest Warmest since: 1990 2015
Ties: 1906, 1916
Dec 1990–May 1991
6-Month
48.2°F
(9.0°C)
49.1°F
(9.5°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1979 1917
94th Warmest Warmest since: 1990 2015
Ties: 1921
Nov 1990–May 1991
7-Month
48.4°F
(9.1°C)
49.1°F
(9.5°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1979 1917
93rd Warmest Warmest since: 1990 2015
Ties: 1942, 1967, 1998
Oct 1990–May 1991
8-Month
50.1°F
(10.1°C)
50.4°F
(10.2°C)
-0.3°F
(-0.1°C)
44th Coolest Coolest since: 1985 1917
82nd Warmest Warmest since: 1990 2015
Ties: 1897, 1902, 1908, 1910, 1925, 1935, 1974
Sep 1990–May 1991
9-Month
52.3°F
(11.3°C)
52.4°F
(11.3°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1985 1917
75th Warmest Warmest since: 1990 2015
Ties: 1927, 1935, 1957
Aug 1990–May 1991
10-Month
54.4°F
(12.4°C)
54.5°F
(12.5°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1985 1917
78th Warmest Warmest since: 1990 2015
Ties: 1950, 1958, 1967, 1972, 1985, 1999
Jul 1990–May 1991
11-Month
56.4°F
(13.6°C)
56.3°F
(13.5°C)
0.1°F
(0.1°C)
54th Coolest Coolest since: 1983 1917
72nd Warmest Warmest since: 1990 2015
Ties: 1907, 1927, 1935, 1965, 1966, 1999
Jun 1990–May 1991
12-Month
57.5°F
(14.2°C)
57.4°F
(14.1°C)
0.1°F
(0.1°C)
61st Coolest Coolest since: 1985 1917
65th Warmest Warmest since: 1990 2015
Ties: 1900, 1958, 1985
Dec 1989–May 1991
18-Month
55.0°F
(12.8°C)
54.6°F
(12.6°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1983 1917
47th Warmest Warmest since: 1990 2015
Ties: 1951, 1968
Jun 1989–May 1991
24-Month
57.8°F
(14.3°C)
57.4°F
(14.1°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1984 1913, 1917
46th Warmest Warmest since: 1990 2015
Ties: 1951, 1968, 1995
Jun 1988–May 1991
36-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1987 1913, 1917
36th Warmest Warmest since: 1990 2016
Ties: 1987
Jun 1987–May 1991
48-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1988 1913
35th Warmest Warmest since: 1990 2016, 2017, 2018
Ties: 1981, 1988
Jun 1986–May 1991
60-Month
58.1°F
(14.5°C)
57.3°F
(14.1°C)
0.8°F
(0.4°C)
90th Coolest Coolest since: 1987 1913, 1917
32nd Warmest Warmest since: 1990 2018
Ties: 1961, 1962, 1963, 1982, 2002

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2020, retrieved on October 21, 2020 from https://www.ncdc.noaa.gov/cag/