Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2021. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, April 2011

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2011
1-Month
53.4°F
(11.9°C)
54.0°F
(12.2°C)
-0.6°F
(-0.3°C)
50th Coolest Coolest since: 2010 1967
77th Warmest Warmest since: 2009 1989
Ties: 1969
Mar–Apr 2011
2-Month
51.0°F
(10.6°C)
51.3°F
(10.7°C)
-0.3°F
(-0.1°C)
56th Coolest Coolest since: 2010 1967
71st Warmest Warmest since: 2009 1934
Ties: 1977
Feb–Apr 2011
3-Month
48.5°F
(9.2°C)
49.3°F
(9.6°C)
-0.8°F
(-0.4°C)
37th Coolest Coolest since: 2006 1922
90th Warmest Warmest since: 2010 2015
Jan–Apr 2011
4-Month
47.7°F
(8.7°C)
47.6°F
(8.7°C)
0.1°F
(0.0°C)
59th Coolest Coolest since: 2006 1922
68th Warmest Warmest since: 2010 2015
Ties: 1910, 1939, 1960, 1965
Dec 2010–Apr 2011
5-Month
47.3°F
(8.5°C)
46.7°F
(8.2°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 2010 1917, 1949
48th Warmest Warmest since: 2009 2015
Ties: 1939, 2001
Nov 2010–Apr 2011
6-Month
47.5°F
(8.6°C)
47.2°F
(8.4°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 2010 1917
55th Warmest Warmest since: 2009 2015
Ties: 1908, 1924, 1927, 1938, 1982
Oct 2010–Apr 2011
7-Month
49.4°F
(9.7°C)
49.0°F
(9.4°C)
0.4°F
(0.3°C)
79th Coolest Coolest since: 2010 1917
47th Warmest Warmest since: 2009 2015
Ties: 1900, 1927, 1938, 1953, 1961, 1963, 1965, 1993, 2005
Sep 2010–Apr 2011
8-Month
52.0°F
(11.1°C)
51.4°F
(10.8°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 2010 1917
42nd Warmest Warmest since: 2010 2015
Ties: 1900, 1938, 1953, 1960, 1970, 2010
Aug 2010–Apr 2011
9-Month
54.4°F
(12.4°C)
53.9°F
(12.2°C)
0.5°F
(0.2°C)
79th Coolest Coolest since: 2008 1917
47th Warmest Warmest since: 2010 2015
Ties: 1936, 1941, 1960, 2005
Jul 2010–Apr 2011
10-Month
56.6°F
(13.7°C)
56.0°F
(13.3°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 2008 1917
44th Warmest Warmest since: 2010 2015
Ties: 1953, 1990, 1994, 2005
Jun 2010–Apr 2011
11-Month
57.7°F
(14.3°C)
57.1°F
(13.9°C)
0.6°F
(0.4°C)
81st Coolest Coolest since: 2006 1917
45th Warmest Warmest since: 2010 2015
Ties: 1987, 1994, 1995, 2006
May 2010–Apr 2011
12-Month
57.6°F
(14.2°C)
57.3°F
(14.1°C)
0.3°F
(0.1°C)
66th Coolest Coolest since: 1999 1917
60th Warmest Warmest since: 2010 2015
Ties: 1935, 1939
Nov 2009–Apr 2011
18-Month
54.2°F
(12.3°C)
53.9°F
(12.2°C)
0.3°F
(0.1°C)
74th Coolest Coolest since: 1999 1949
51st Warmest Warmest since: 2010 2015
Ties: 1926, 1932, 1939, 1943, 1979, 1980, 1984
May 2009–Apr 2011
24-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 2000 1913
38th Warmest Warmest since: 2010 2015
May 2008–Apr 2011
36-Month
58.5°F
(14.7°C)
57.4°F
(14.1°C)
1.1°F
(0.6°C)
104th Coolest Coolest since: 2001 1913, 1917
20th Warmest Warmest since: 2010 2016
Ties: 1994, 1996
May 2007–Apr 2011
48-Month
58.4°F
(14.7°C)
57.3°F
(14.1°C)
1.1°F
(0.6°C)
103rd Coolest Coolest since: 2002 1913
20th Warmest Warmest since: 2010 2018
Ties: 1962, 1989, 1995, 1999, 2012
May 2006–Apr 2011
60-Month
58.6°F
(14.8°C)
57.3°F
(14.1°C)
1.3°F
(0.7°C)
106th Coolest Coolest since: 2003 1913
16th Warmest Warmest since: 2010 2018
Ties: 1996, 1998, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published February 2021, retrieved on March 1, 2021 from https://www.ncdc.noaa.gov/cag/