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 1919

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1919
1-Month
62.6°F
(17.0°C)
60.7°F
(15.9°C)
1.9°F
(1.1°C)
92nd Coolest
Coolest since:
1977
37th Warmest
Warmest since:
2001
Apr–May 1919
2-Month
58.7°F
(14.8°C)
57.4°F
(14.1°C)
1.3°F
(0.7°C)
83rd Coolest
Coolest since:
1967
46th Warmest
Warmest since:
1992
Mar–May 1919
3-Month
54.3°F
(12.4°C)
54.5°F
(12.5°C)
-0.2°F
(-0.1°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
1934
Ties: 1895, 1897, 1956
Feb–May 1919
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, 1962
Jan–May 1919
5-Month
49.5°F
(9.7°C)
50.3°F
(10.2°C)
-0.8°F
(-0.5°C)
32nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1899, 1909, 1915
Dec 1918–May 1919
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, 1909, 1942, 1962, 1967, 1973, 1979
Nov 1918–May 1919
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: 1962, 1979
Oct 1918–May 1919
8-Month
49.5°F
(9.7°C)
50.4°F
(10.2°C)
-0.9°F
(-0.5°C)
24th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2015
Ties: 1899, 1923
Sep 1918–May 1919
9-Month
51.6°F
(10.9°C)
52.5°F
(11.4°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2015
Ties: 1899, 1911, 1975
Aug 1918–May 1919
10-Month
53.6°F
(12.0°C)
54.5°F
(12.5°C)
-0.9°F
(-0.5°C)
20th Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2015
Ties: 1952
Jul 1918–May 1919
11-Month
55.4°F
(13.0°C)
56.4°F
(13.6°C)
-1.0°F
(-0.6°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2015
Ties: 1896, 1901, 1973
Jun 1918–May 1919
12-Month
56.9°F
(13.8°C)
57.3°F
(14.1°C)
-0.4°F
(-0.3°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1902, 1969, 1975, 1979
Dec 1917–May 1919
18-Month
54.2°F
(12.3°C)
54.6°F
(12.6°C)
-0.4°F
(-0.3°C)
31st Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1902, 1929, 1938, 1942, 1973, 1974
Jun 1917–May 1919
24-Month
57.5°F
(14.2°C)
57.4°F
(14.1°C)
0.1°F
(0.1°C)
68th Coolest
Coolest since:
1913, 1917
59th Warmest
Warmest since:
2015
Ties: 1905, 1947, 1970, 1971, 1980, 1984
Jun 1916–May 1919
36-Month
56.3°F
(13.5°C)
57.4°F
(14.1°C)
-1.1°F
(-0.6°C)
5th Coolest
Coolest since:
1913, 1917
121st Warmest
Warmest since:
2016
Ties: 1912, 1914, 1918, 1949
Jun 1915–May 1919
48-Month
56.4°F
(13.6°C)
57.3°F
(14.1°C)
-0.9°F
(-0.5°C)
8th Coolest
Coolest since:
1913
117th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1922, 1923
Jun 1914–May 1919
60-Month
56.5°F
(13.6°C)
57.4°F
(14.1°C)
-0.9°F
(-0.5°C)
9th Coolest
Coolest since:
1913, 1917
115th Warmest
Warmest since:
2018
Ties: 1923, 1949

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