Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1946

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1946
1-Month
61.0°F
(16.1°C)
60.7°F
(15.9°C)
0.3°F
(0.2°C)
58th Coolest
Coolest since:
1977
71st Warmest
Warmest since:
2001
Apr–May 1946
2-Month
58.6°F
(14.8°C)
57.3°F
(14.1°C)
1.3°F
(0.7°C)
82nd Coolest
Coolest since:
1967
47th Warmest
Warmest since:
1992
Ties: 1950, 1958, 1969, 1994
Mar–May 1946
3-Month
55.1°F
(12.8°C)
54.5°F
(12.5°C)
0.6°F
(0.3°C)
77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
1934
Ties: 1925, 1978, 1979
Feb–May 1946
4-Month
51.9°F
(11.1°C)
52.2°F
(11.2°C)
-0.3°F
(-0.1°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
1934
Ties: 1974, 1982
Jan–May 1946
5-Month
50.0°F
(10.0°C)
50.3°F
(10.2°C)
-0.3°F
(-0.2°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Ties: 1896, 1907, 1927, 1963, 1965
Dec 1945–May 1946
6-Month
48.8°F
(9.3°C)
49.1°F
(9.5°C)
-0.3°F
(-0.2°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2015
Ties: 1897, 1918
Nov 1945–May 1946
7-Month
48.7°F
(9.3°C)
49.1°F
(9.5°C)
-0.4°F
(-0.2°C)
43rd Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2015
Ties: 1907, 1908, 1935, 1965, 1985, 1995
Oct 1945–May 1946
8-Month
50.2°F
(10.1°C)
50.4°F
(10.2°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Ties: 1901, 1907, 1916, 1953, 1976
Sep 1945–May 1946
9-Month
52.4°F
(11.3°C)
52.4°F
(11.3°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1953, 1956, 1958, 1965
Aug 1945–May 1946
10-Month
54.5°F
(12.5°C)
54.5°F
(12.5°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1927, 1976
Jul 1945–May 1946
11-Month
56.5°F
(13.6°C)
56.4°F
(13.6°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2015
Ties: 1900, 1924, 1953, 1985, 1995
Jun 1945–May 1946
12-Month
57.4°F
(14.1°C)
57.3°F
(14.1°C)
0.1°F
(0.0°C)
60th Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2015
Dec 1944–May 1946
18-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
45th Coolest
Coolest since:
1917
82nd Warmest
Warmest since:
2015
Ties: 1900, 1906, 1915, 1930, 1952, 1969
Jun 1944–May 1946
24-Month
56.9°F
(13.8°C)
57.3°F
(14.1°C)
-0.4°F
(-0.3°C)
27th Coolest
Coolest since:
1913, 1917
100th Warmest
Warmest since:
2015
Ties: 1897, 1907, 1929, 1953, 1955, 1973, 1974
Jun 1943–May 1946
36-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
21st Coolest
Coolest since:
1913, 1917
105th Warmest
Warmest since:
2016
Ties: 1899, 1924
Jun 1942–May 1946
48-Month
57.2°F
(14.0°C)
57.4°F
(14.1°C)
-0.2°F
(-0.1°C)
45th Coolest
Coolest since:
1913
80th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1907, 1932, 1933, 1973
Jun 1941–May 1946
60-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
33rd Coolest
Coolest since:
1913, 1917
91st Warmest
Warmest since:
2018
Ties: 1908, 1933, 1957, 1975, 1976, 1977

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