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, July 2011

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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
July 2011
1-Month
74.2°F
(23.4°C)
74.7°F
(23.7°C)
-0.5°F
(-0.3°C)
42nd Coolest
Coolest since:
1987
87th Warmest
Warmest since:
2021
Ties: 1974, 1995, 2001
Jun–Jul 2011
2-Month
70.6°F
(21.4°C)
71.5°F
(21.9°C)
-0.9°F
(-0.5°C)
28th Coolest
Coolest since:
1944
101st Warmest
Warmest since:
2021
Ties: 1905, 1934, 1941, 1998, 1999
May–Jul 2011
3-Month
66.2°F
(19.0°C)
67.9°F
(19.9°C)
-1.7°F
(-0.9°C)
13th Coolest
Coolest since:
1953, 1998
116th Warmest
Warmest since:
2021
Ties: 1995
Apr–Jul 2011
4-Month
63.0°F
(17.2°C)
64.4°F
(18.0°C)
-1.4°F
(-0.8°C)
17th Coolest
Coolest since:
1944
112th Warmest
Warmest since:
2021
Ties: 1902, 1907, 1913, 1915
Mar–Jul 2011
5-Month
60.2°F
(15.7°C)
61.3°F
(16.3°C)
-1.1°F
(-0.6°C)
26th Coolest
Coolest since:
1912
103rd Warmest
Warmest since:
2013, 2014
Ties: 1906, 1908, 1911, 1933, 1952, 1980
Feb–Jul 2011
6-Month
57.4°F
(14.1°C)
58.7°F
(14.8°C)
-1.3°F
(-0.7°C)
21st Coolest
Coolest since:
1948
108th Warmest
Warmest since:
2015
Ties: 1929, 1942, 1965, 1971
Jan–Jul 2011
7-Month
55.6°F
(13.1°C)
56.3°F
(13.5°C)
-0.7°F
(-0.4°C)
34th Coolest
Coolest since:
1955
95th Warmest
Warmest since:
2014
Ties: 1897, 1916, 1935, 1953
Dec 2010–Jul 2011
8-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
51st Coolest
Coolest since:
1917
77th Warmest
Warmest since:
2015
Ties: 1927, 1946
Nov 2010–Jul 2011
9-Month
53.8°F
(12.1°C)
54.1°F
(12.3°C)
-0.3°F
(-0.2°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2015
Ties: 1910, 1935, 1956
Oct 2010–Jul 2011
10-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1901, 1946, 1976
Sep 2010–Jul 2011
11-Month
55.9°F
(13.3°C)
55.9°F
(13.3°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2015
Ties: 1904, 1927, 1947, 1956, 1963, 1966, 1972
Aug 2010–Jul 2011
12-Month
57.4°F
(14.1°C)
57.4°F
(14.1°C)
0.0°F
(0.0°C)
60th Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2015
Ties: 1935, 1963, 1966, 1982
Feb 2010–Jul 2011
18-Month
57.6°F
(14.2°C)
57.8°F
(14.3°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1913, 1949
80th Warmest
Warmest since:
2015
Ties: 1900, 1911, 1914, 1918, 1962, 1971
Aug 2009–Jul 2011
24-Month
57.5°F
(14.2°C)
57.3°F
(14.1°C)
0.2°F
(0.1°C)
69th Coolest
Coolest since:
1913
58th Warmest
Warmest since:
2015
Ties: 1905, 1928, 1970, 1971
Aug 2008–Jul 2011
36-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
91st Coolest
Coolest since:
1913
35th Warmest
Warmest since:
2015, 2016
Ties: 1982, 1988
Aug 2007–Jul 2011
48-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
93rd Coolest
Coolest since:
1913
32nd Warmest
Warmest since:
2016
Ties: 1941, 1960, 1962, 1981, 1987, 1993
Aug 2006–Jul 2011
60-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
100th Coolest
Coolest since:
1913
24th Warmest
Warmest since:
2017, 2018
Ties: 1988, 1990, 1993, 1994, 2001, 2012

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