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 1963

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 1963
1-Month
61.4°F
(16.3°C)
60.7°F
(15.9°C)
0.7°F
(0.4°C)
70th Coolest
Coolest since:
1977
59th Warmest
Warmest since:
2001
Ties: 1914, 1974
Apr–May 1963
2-Month
55.2°F
(12.9°C)
57.4°F
(14.1°C)
-2.2°F
(-1.2°C)
16th Coolest
Coolest since:
1967
113th Warmest
Warmest since:
1992
Ties: 1942
Mar–May 1963
3-Month
52.5°F
(11.4°C)
54.5°F
(12.5°C)
-2.0°F
(-1.1°C)
17th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
1934
Ties: 1896
Feb–May 1963
4-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
1934
Ties: 1904, 1961, 2006
Jan–May 1963
5-Month
50.0°F
(10.0°C)
50.2°F
(10.1°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Ties: 1896, 1907, 1927, 1946, 1965
Dec 1962–May 1963
6-Month
49.3°F
(9.6°C)
49.1°F
(9.5°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2015
Ties: 1925, 1972, 1993
Nov 1962–May 1963
7-Month
49.6°F
(9.8°C)
49.1°F
(9.5°C)
0.5°F
(0.3°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2015
Ties: 1960
Oct 1962–May 1963
8-Month
50.9°F
(10.5°C)
50.4°F
(10.2°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2015
Ties: 1924, 1936, 1938, 1970
Sep 1962–May 1963
9-Month
52.9°F
(11.6°C)
52.4°F
(11.3°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2015
Ties: 1924, 1926, 1928, 1960
Aug 1962–May 1963
10-Month
55.0°F
(12.8°C)
54.6°F
(12.6°C)
0.4°F
(0.2°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2015
Ties: 1960, 1982, 2008
Jul 1962–May 1963
11-Month
56.7°F
(13.7°C)
56.4°F
(13.6°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1905, 1928, 1947, 2011
Jun 1962–May 1963
12-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1927, 1928, 1939, 1995, 2010, 2011
Dec 1961–May 1963
18-Month
54.5°F
(12.5°C)
54.6°F
(12.6°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2015
Ties: 1901, 1966, 1967, 1977
Jun 1961–May 1963
24-Month
57.4°F
(14.1°C)
57.4°F
(14.1°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1913, 1917
73rd Warmest
Warmest since:
2015
Ties: 1926, 1932, 1937, 1938, 1944, 1983
Jun 1960–May 1963
36-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1913, 1917
52nd Warmest
Warmest since:
2016
Ties: 1928, 1978, 1984
Jun 1959–May 1963
48-Month
57.8°F
(14.3°C)
57.4°F
(14.1°C)
0.4°F
(0.2°C)
77th Coolest
Coolest since:
1913
48th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1936, 1942, 1959, 1986
Jun 1958–May 1963
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, 1962, 1982, 1991, 2002

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