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, April 2011

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
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:
1967
79th Warmest
Warmest since:
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:
1967
73rd Warmest
Warmest since:
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:
1922
92nd Warmest
Warmest since:
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:
1922
70th Warmest
Warmest since:
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:
1917, 1949
50th Warmest
Warmest since:
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:
1917
57th Warmest
Warmest since:
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:
1917
49th Warmest
Warmest since:
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:
1917
44th Warmest
Warmest since:
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:
1917
49th Warmest
Warmest since:
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:
1917
46th Warmest
Warmest since:
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:
1917
47th Warmest
Warmest since:
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:
1917
62nd Warmest
Warmest since:
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:
1949
53rd Warmest
Warmest since:
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:
1913
40th Warmest
Warmest since:
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:
1913, 1917
22nd Warmest
Warmest since:
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:
1913
22nd Warmest
Warmest since:
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:
1913
18th Warmest
Warmest since:
2018
Ties: 1996, 1998, 2013

Citing This Page