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, June 1940

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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1940
1-Month
72.5°F
(22.5°C)
68.3°F
(20.2°C)
4.2°F
(2.3°C)
120th Coolest
Coolest since:
1923
9th Warmest
Warmest since:
2021
May–Jun 1940
2-Month
68.6°F
(20.3°C)
64.5°F
(18.1°C)
4.1°F
(2.2°C)
125th Coolest
Coolest since:
1953
4th Warmest
Warmest to Date
2001
Apr–Jun 1940
3-Month
64.3°F
(17.9°C)
61.0°F
(16.1°C)
3.3°F
(1.8°C)
121st Coolest
Coolest since:
1967, 1998
8th Warmest
Warmest to Date
2021
Mar–Jun 1940
4-Month
61.1°F
(16.2°C)
57.9°F
(14.4°C)
3.2°F
(1.8°C)
116th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2015
Ties: 2001
Feb–Jun 1940
5-Month
58.2°F
(14.6°C)
55.4°F
(13.0°C)
2.8°F
(1.6°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2015
Jan–Jun 1940
6-Month
56.1°F
(13.4°C)
53.3°F
(11.8°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2015
Ties: 1997, 2022
Dec 1939–Jun 1940
7-Month
54.8°F
(12.7°C)
51.8°F
(11.0°C)
3.0°F
(1.7°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Ties: 2018
Nov 1939–Jun 1940
8-Month
54.4°F
(12.4°C)
51.5°F
(10.8°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Ties: 2000, 2021, 2022
Oct 1939–Jun 1940
9-Month
55.0°F
(12.8°C)
52.4°F
(11.3°C)
2.6°F
(1.5°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2015
Sep 1939–Jun 1940
10-Month
56.4°F
(13.6°C)
54.0°F
(12.2°C)
2.4°F
(1.4°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2015
Aug 1939–Jun 1940
11-Month
58.1°F
(14.5°C)
55.8°F
(13.2°C)
2.3°F
(1.3°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2015
Ties: 2004
Jul 1939–Jun 1940
12-Month
59.6°F
(15.3°C)
57.4°F
(14.1°C)
2.2°F
(1.2°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2015
Ties: 1959, 2000
Jan 1939–Jun 1940
18-Month
57.6°F
(14.2°C)
56.0°F
(13.3°C)
1.6°F
(0.9°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest to Date
2015
Ties: 1959, 1987, 2002, 2003, 2007, 2009
Jul 1938–Jun 1940
24-Month
58.6°F
(14.8°C)
57.4°F
(14.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1913
23rd Warmest
Warmest since:
2015
Ties: 1941, 1981, 1992, 2002, 2010
Jul 1937–Jun 1940
36-Month
58.4°F
(14.7°C)
57.3°F
(14.1°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1913, 1917
26th Warmest
Warmest since:
2016
Ties: 1960, 1992, 1993, 2001
Jul 1936–Jun 1940
48-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
84th Coolest
Coolest since:
1913
41st Warmest
Warmest since:
2016
Ties: 1984, 1991, 2001
Jul 1935–Jun 1940
60-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1913, 1917
39th Warmest
Warmest since:
2018
Ties: 1960, 1962, 1981, 1984, 1985, 1991

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