Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 River Basin

Average Temperature Rankings, May 1962

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1962
1-Month
58.0°F
(14.4°C)
60.7°F
(15.9°C)
-2.7°F
(-1.5°C)
21st Coolest
Coolest since:
1977
108th Warmest
Warmest since:
2001
Apr–May 1962
2-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
73rd Coolest
Coolest since:
1967
56th Warmest
Warmest since:
1992
Ties: 1979, 2008
Mar–May 1962
3-Month
53.7°F
(12.1°C)
54.5°F
(12.5°C)
-0.8°F
(-0.4°C)
44th Coolest
Coolest since:
1917
85th Warmest
Warmest since:
1934
Ties: 1901, 1952
Feb–May 1962
4-Month
51.2°F
(10.7°C)
52.2°F
(11.2°C)
-1.0°F
(-0.5°C)
33rd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
1934
Ties: 1896, 1919
Jan–May 1962
5-Month
49.2°F
(9.6°C)
50.2°F
(10.1°C)
-1.0°F
(-0.5°C)
25th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2015
Ties: 1898, 1918
Dec 1961–May 1962
6-Month
48.0°F
(8.9°C)
49.1°F
(9.5°C)
-1.1°F
(-0.6°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2015
Ties: 1902, 1919, 1942, 1967, 1973, 1979
Nov 1961–May 1962
7-Month
47.9°F
(8.8°C)
49.1°F
(9.5°C)
-1.2°F
(-0.7°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2015
Ties: 1919, 1979
Oct 1961–May 1962
8-Month
49.4°F
(9.7°C)
50.4°F
(10.2°C)
-1.0°F
(-0.5°C)
20th Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2015
Ties: 1942, 1964, 1971
Sep 1961–May 1962
9-Month
51.3°F
(10.7°C)
52.4°F
(11.3°C)
-1.1°F
(-0.6°C)
18th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2015
Ties: 1909
Aug 1961–May 1962
10-Month
53.7°F
(12.1°C)
54.6°F
(12.6°C)
-0.9°F
(-0.5°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2015
Ties: 1896, 1908, 1915, 1969
Jul 1961–May 1962
11-Month
55.8°F
(13.2°C)
56.4°F
(13.6°C)
-0.6°F
(-0.4°C)
31st Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1899, 1906, 1910, 1979
Jun 1961–May 1962
12-Month
57.2°F
(14.0°C)
57.4°F
(14.1°C)
-0.2°F
(-0.1°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1897, 1904, 1907, 1935, 1953, 1965, 1972, 1976
Dec 1960–May 1962
18-Month
54.6°F
(12.6°C)
54.6°F
(12.6°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2015
Ties: 1925, 1928, 1944, 1958, 2011
Jun 1960–May 1962
24-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
75th Coolest
Coolest since:
1913, 1917
52nd Warmest
Warmest since:
2015
Ties: 1927, 1928, 1969, 2011
Jun 1959–May 1962
36-Month
57.9°F
(14.4°C)
57.4°F
(14.1°C)
0.5°F
(0.3°C)
82nd Coolest
Coolest since:
1913, 1917
44th Warmest
Warmest since:
2016
Ties: 1981, 1995
Jun 1958–May 1962
48-Month
58.3°F
(14.6°C)
57.4°F
(14.1°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1913
28th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1941, 1961, 1990, 1993, 1994, 2000, 2011
Jun 1957–May 1962
60-Month
58.1°F
(14.5°C)
57.3°F
(14.1°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1913, 1917
34th Warmest
Warmest since:
2018
Ties: 1961, 1963, 1982, 1991, 2002

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