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 1934

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1934
1-Month
64.5°F
(18.1°C)
60.7°F
(15.9°C)
3.8°F
(2.2°C)
116th Coolest
Coolest since:
1977
13th Warmest
Warmest since:
2001
Ties: 2021
Apr–May 1934
2-Month
62.2°F
(16.8°C)
57.4°F
(14.1°C)
4.8°F
(2.7°C)
127th Coolest
Coolest since:
1967
2nd Warmest
Warmest to Date
1992
Mar–May 1934
3-Month
60.5°F
(15.8°C)
54.5°F
(12.5°C)
6.0°F
(3.3°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Feb–May 1934
4-Month
57.5°F
(14.2°C)
52.2°F
(11.2°C)
5.3°F
(3.0°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Jan–May 1934
5-Month
55.1°F
(12.8°C)
50.3°F
(10.2°C)
4.8°F
(2.6°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Ties: 2014
Dec 1933–May 1934
6-Month
53.2°F
(11.8°C)
49.1°F
(9.5°C)
4.1°F
(2.3°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2015
Nov 1933–May 1934
7-Month
53.0°F
(11.7°C)
49.2°F
(9.6°C)
3.8°F
(2.1°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2015
Oct 1933–May 1934
8-Month
54.4°F
(12.4°C)
50.5°F
(10.3°C)
3.9°F
(2.1°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Sep 1933–May 1934
9-Month
55.7°F
(13.2°C)
52.4°F
(11.3°C)
3.3°F
(1.9°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Ties: 1992, 1996
Aug 1933–May 1934
10-Month
57.7°F
(14.3°C)
54.6°F
(12.6°C)
3.1°F
(1.7°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2015
Jul 1933–May 1934
11-Month
59.4°F
(15.2°C)
56.3°F
(13.5°C)
3.1°F
(1.7°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
2015
Ties: 2018
Jun 1933–May 1934
12-Month
60.1°F
(15.6°C)
57.4°F
(14.1°C)
2.7°F
(1.5°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest to Date
2015
Dec 1932–May 1934
18-Month
55.2°F
(12.9°C)
54.6°F
(12.6°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2015
Ties: 1961
Jun 1932–May 1934
24-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1913, 1917
39th Warmest
Warmest to Date
2015
Ties: 1994, 2012
Jun 1931–May 1934
36-Month
57.6°F
(14.2°C)
57.4°F
(14.1°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1913, 1917
56th Warmest
Warmest since:
2016
Ties: 1932, 1938, 1968, 1979
Jun 1930–May 1934
48-Month
57.7°F
(14.3°C)
57.3°F
(14.1°C)
0.4°F
(0.2°C)
72nd Coolest
Coolest since:
1913
53rd Warmest
Warmest to Date
2016, 2017, 2018
Ties: 1970, 1980, 1985
Jun 1929–May 1934
60-Month
57.8°F
(14.3°C)
57.4°F
(14.1°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1913, 1917
48th Warmest
Warmest to Date
2018
Ties: 1942, 1960, 1987

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