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 August 2019. For more information, please see Climatological Rankings.


West Climate Region

Average Temperature Rankings, May 1991

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1991
1-Month
54.9°F
(12.7°C)
58.4°F
(14.7°C)
-3.5°F
(-2.0°C)
13th Coolest Coolest since: 1977 1977
113th Warmest Warmest since: 1990 2001
Ties: 1915, 1971
Apr–May 1991
2-Month
52.0°F
(11.1°C)
54.7°F
(12.6°C)
-2.7°F
(-1.5°C)
12th Coolest Coolest since: 1975 1967
114th Warmest Warmest since: 1990 1992
Ties: 1971
Mar–May 1991
3-Month
48.5°F
(9.2°C)
51.4°F
(10.8°C)
-2.9°F
(-1.6°C)
4th Coolest Coolest since: 1975 1917
122nd Warmest Warmest since: 1990 1934
Ties: 1912, 1948
Feb–May 1991
4-Month
48.2°F
(9.0°C)
48.8°F
(9.3°C)
-0.6°F
(-0.3°C)
45th Coolest Coolest since: 1983 1917
81st Warmest Warmest since: 1990 1934
Ties: 1901, 1906, 1982
Jan–May 1991
5-Month
46.1°F
(7.8°C)
46.4°F
(8.0°C)
-0.3°F
(-0.2°C)
44th Coolest Coolest since: 1982 1917
82nd Warmest Warmest since: 1990 1934
Ties: 1906
Dec 1990–May 1991
6-Month
43.8°F
(6.6°C)
45.0°F
(7.2°C)
-1.2°F
(-0.6°C)
19th Coolest Coolest since: 1979 1917
106th Warmest Warmest since: 1990 1934
Ties: 1973, 1979
Nov 1990–May 1991
7-Month
44.1°F
(6.7°C)
45.1°F
(7.3°C)
-1.0°F
(-0.6°C)
23rd Coolest Coolest since: 1979 1917
102nd Warmest Warmest since: 1990 2015
Ties: 1896, 1906, 1919, 1942
Oct 1990–May 1991
8-Month
45.8°F
(7.7°C)
46.4°F
(8.0°C)
-0.6°F
(-0.3°C)
33rd Coolest Coolest since: 1985 1917
92nd Warmest Warmest since: 1990 2015
Ties: 1915, 1919, 1957, 1983
Sep 1990–May 1991
9-Month
48.3°F
(9.1°C)
48.6°F
(9.2°C)
-0.3°F
(-0.1°C)
42nd Coolest Coolest since: 1985 1917
83rd Warmest Warmest since: 1990 2015
Ties: 1902, 1908, 1967, 1998, 1999
Aug 1990–May 1991
10-Month
50.7°F
(10.4°C)
51.0°F
(10.6°C)
-0.3°F
(-0.2°C)
43rd Coolest Coolest since: 1985 1917
82nd Warmest Warmest since: 1990 2015
Ties: 1972
Jul 1990–May 1991
11-Month
52.9°F
(11.6°C)
53.0°F
(11.7°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1985 1917
77th Warmest Warmest since: 1990 2015
Ties: 1902, 1924, 1958, 1966, 1972, 1974
Jun 1990–May 1991
12-Month
54.1°F
(12.3°C)
54.1°F
(12.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1985 1917
71st Warmest Warmest since: 1990 2015
Ties: 1897, 1925, 1953, 1956, 1976
Dec 1989–May 1991
18-Month
51.5°F
(10.8°C)
51.1°F
(10.6°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1985 1917
46th Warmest Warmest since: 1990 2015
Ties: 1968, 1984
Jun 1989–May 1991
24-Month
54.5°F
(12.5°C)
54.1°F
(12.3°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1985 1913, 1917, 1949
49th Warmest Warmest since: 1990 2015, 2016
Ties: 1919, 1936, 1962, 1969, 1994
Jun 1988–May 1991
36-Month
54.8°F
(12.7°C)
54.1°F
(12.3°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1987 1917
34th Warmest Warmest since: 1990 2016
Ties: 1999
Jun 1987–May 1991
48-Month
54.8°F
(12.7°C)
54.1°F
(12.3°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1988 1913
35th Warmest Warmest since: 1990 2018
Ties: 2001
Jun 1986–May 1991
60-Month
54.8°F
(12.7°C)
54.1°F
(12.3°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1988 1917
33rd Warmest Warmest since: 1990 2018
Ties: 1962, 1963

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/