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, May 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
May 2011
1-Month
57.6°F
(14.2°C)
60.7°F
(15.9°C)
-3.1°F
(-1.7°C)
17th Coolest
Coolest since:
1977
112th Warmest
Warmest since:
2001
Apr–May 2011
2-Month
55.5°F
(13.1°C)
57.4°F
(14.1°C)
-1.9°F
(-1.0°C)
21st Coolest
Coolest since:
1967
108th Warmest
Warmest since:
1992
Mar–May 2011
3-Month
53.2°F
(11.8°C)
54.5°F
(12.5°C)
-1.3°F
(-0.7°C)
30th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
1934
Ties: 1913, 1983
Feb–May 2011
4-Month
50.8°F
(10.4°C)
52.2°F
(11.2°C)
-1.4°F
(-0.8°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
1934
Ties: 1918, 1945
Jan–May 2011
5-Month
49.7°F
(9.8°C)
50.3°F
(10.2°C)
-0.6°F
(-0.4°C)
42nd Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2015
Ties: 1953, 1969
Dec 2010–May 2011
6-Month
49.0°F
(9.4°C)
49.0°F
(9.4°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2015
Ties: 1904, 1974
Nov 2010–May 2011
7-Month
49.0°F
(9.4°C)
49.2°F
(9.6°C)
-0.2°F
(-0.2°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2015
Ties: 1910, 1957
Oct 2010–May 2011
8-Month
50.4°F
(10.2°C)
50.4°F
(10.2°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2015
Ties: 1939, 1982
Sep 2010–May 2011
9-Month
52.6°F
(11.4°C)
52.4°F
(11.3°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
2015
Ties: 1939, 1966, 1982
Aug 2010–May 2011
10-Month
54.7°F
(12.6°C)
54.5°F
(12.5°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
2015
Ties: 1900, 1939, 1956, 1966, 2010
Jul 2010–May 2011
11-Month
56.7°F
(13.7°C)
56.4°F
(13.6°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1905, 1928, 1947, 1963
Jun 2010–May 2011
12-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1927, 1928, 1939, 1963, 1995, 2010
Dec 2009–May 2011
18-Month
54.6°F
(12.6°C)
54.6°F
(12.6°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2015
Ties: 1925, 1928, 1944, 1958, 1962
Jun 2009–May 2011
24-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
75th Coolest
Coolest since:
1913, 1917
52nd Warmest
Warmest since:
2015
Ties: 1927, 1928, 1962, 1969
Jun 2008–May 2011
36-Month
58.4°F
(14.7°C)
57.4°F
(14.1°C)
1.0°F
(0.6°C)
100th Coolest
Coolest since:
1913, 1917
26th Warmest
Warmest since:
2016
Ties: 1936, 1941, 1992
Jun 2007–May 2011
48-Month
58.3°F
(14.6°C)
57.4°F
(14.1°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1913
28th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1941, 1961, 1993, 1994, 2000
Jun 2006–May 2011
60-Month
58.5°F
(14.7°C)
57.3°F
(14.1°C)
1.2°F
(0.6°C)
103rd Coolest
Coolest since:
1913, 1917
21st Warmest
Warmest since:
2018
Ties: 1998, 2003

Citing This Page