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 2009

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 2009
1-Month
67.5°F
(19.7°C)
68.3°F
(20.2°C)
-0.8°F
(-0.5°C)
38th Coolest
Coolest since:
1923
91st Warmest
Warmest since:
2021
Ties: 1912, 1929, 1942, 1946, 1947, 1983
May–Jun 2009
2-Month
67.1°F
(19.5°C)
64.5°F
(18.1°C)
2.6°F
(1.4°C)
107th Coolest
Coolest since:
1953
22nd Warmest
Warmest since:
2001
Apr–Jun 2009
3-Month
62.8°F
(17.1°C)
61.0°F
(16.1°C)
1.8°F
(1.0°C)
94th Coolest
Coolest since:
1967, 1998
35th Warmest
Warmest since:
2021
Mar–Jun 2009
4-Month
59.4°F
(15.2°C)
57.9°F
(14.4°C)
1.5°F
(0.8°C)
90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2015
Ties: 2008, 2012
Feb–Jun 2009
5-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2015
Jan–Jun 2009
6-Month
55.0°F
(12.8°C)
53.3°F
(11.8°C)
1.7°F
(1.0°C)
105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2015
Ties: 1984, 1987, 1994, 2001, 2003
Dec 2008–Jun 2009
7-Month
53.1°F
(11.7°C)
51.8°F
(11.0°C)
1.3°F
(0.7°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2015
Nov 2008–Jun 2009
8-Month
53.2°F
(11.8°C)
51.5°F
(10.8°C)
1.7°F
(1.0°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2015
Ties: 1987, 2006
Oct 2008–Jun 2009
9-Month
54.2°F
(12.3°C)
52.4°F
(11.3°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2015
Ties: 1986, 2007
Sep 2008–Jun 2009
10-Month
55.9°F
(13.3°C)
54.0°F
(12.2°C)
1.9°F
(1.1°C)
110th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2015
Ties: 2020
Aug 2008–Jun 2009
11-Month
57.8°F
(14.3°C)
55.8°F
(13.2°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Ties: 1981, 2020
Jul 2008–Jun 2009
12-Month
59.4°F
(15.2°C)
57.4°F
(14.1°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Jan 2008–Jun 2009
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 since:
2015
Ties: 1940, 1959, 1987, 2002, 2003, 2007
Jul 2007–Jun 2009
24-Month
58.8°F
(14.9°C)
57.4°F
(14.1°C)
1.4°F
(0.8°C)
108th Coolest
Coolest since:
1913
19th Warmest
Warmest since:
2015
Ties: 1935
Jul 2006–Jun 2009
36-Month
58.9°F
(14.9°C)
57.4°F
(14.1°C)
1.5°F
(0.8°C)
114th Coolest
Coolest since:
1913, 1917
12th Warmest
Warmest since:
2016
Ties: 1998, 2002, 2005, 2006
Jul 2005–Jun 2009
48-Month
58.9°F
(14.9°C)
57.4°F
(14.1°C)
1.5°F
(0.8°C)
113th Coolest
Coolest since:
1913
12th Warmest
Warmest since:
2016
Ties: 2005, 2006, 2007
Jul 2004–Jun 2009
60-Month
58.7°F
(14.8°C)
57.4°F
(14.1°C)
1.3°F
(0.7°C)
109th Coolest
Coolest since:
1913, 1917
15th Warmest
Warmest since:
2018
Ties: 1996, 1997, 2000, 2010, 2013

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