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 1953

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 1953
1-Month
55.4°F
(13.0°C)
60.7°F
(15.9°C)
-5.3°F
(-2.9°C)
3rd Coolest
Coolest since:
1977
126th Warmest
Warmest since:
2001
Ties: 1933
Apr–May 1953
2-Month
54.1°F
(12.3°C)
57.4°F
(14.1°C)
-3.3°F
(-1.8°C)
7th Coolest
Coolest since:
1967
122nd Warmest
Warmest since:
1992
Ties: 1933
Mar–May 1953
3-Month
52.1°F
(11.2°C)
54.5°F
(12.5°C)
-2.4°F
(-1.3°C)
8th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
1934
Ties: 1902, 1922
Feb–May 1953
4-Month
50.4°F
(10.2°C)
52.2°F
(11.2°C)
-1.8°F
(-1.0°C)
14th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
1934
Ties: 1944
Jan–May 1953
5-Month
49.7°F
(9.8°C)
50.2°F
(10.1°C)
-0.5°F
(-0.3°C)
42nd Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2015
Ties: 1969, 2011
Dec 1952–May 1953
6-Month
48.5°F
(9.2°C)
49.1°F
(9.5°C)
-0.6°F
(-0.3°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2015
Ties: 1896, 1906, 1908, 1977, 1999
Nov 1952–May 1953
7-Month
48.2°F
(9.0°C)
49.1°F
(9.5°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2015
Ties: 1899, 1920, 1923, 1945, 1971
Oct 1952–May 1953
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, 1976
Sep 1952–May 1953
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: 1946, 1956, 1958, 1965
Aug 1952–May 1953
10-Month
54.6°F
(12.6°C)
54.6°F
(12.6°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2015
Ties: 1904, 1935, 1965, 1995
Jul 1952–May 1953
11-Month
56.5°F
(13.6°C)
56.4°F
(13.6°C)
0.1°F
(0.0°C)
66th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2015
Ties: 1900, 1924, 1946, 1985, 1995
Jun 1952–May 1953
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, 1962, 1965, 1972, 1976
Dec 1951–May 1953
18-Month
53.9°F
(12.2°C)
54.6°F
(12.6°C)
-0.7°F
(-0.4°C)
20th Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2015
Ties: 1899, 1910, 1916
Jun 1951–May 1953
24-Month
56.9°F
(13.8°C)
57.4°F
(14.1°C)
-0.5°F
(-0.3°C)
27th Coolest
Coolest since:
1913, 1917
100th Warmest
Warmest since:
2015
Ties: 1897, 1907, 1929, 1946, 1955, 1973, 1974
Jun 1950–May 1953
36-Month
57.4°F
(14.1°C)
57.4°F
(14.1°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1913, 1917
69th Warmest
Warmest since:
2016
Ties: 1931, 1952, 1972
Jun 1949–May 1953
48-Month
57.4°F
(14.1°C)
57.4°F
(14.1°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1913
71st Warmest
Warmest since:
2016, 2017, 2018
Ties: 1927, 1930, 1964, 1969
Jun 1948–May 1953
60-Month
56.9°F
(13.8°C)
57.3°F
(14.1°C)
-0.4°F
(-0.3°C)
26th Coolest
Coolest since:
1913, 1917
98th Warmest
Warmest since:
2018
Ties: 1900, 1901, 1906, 1907, 1951, 1956

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