Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, October 2011

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
October 2011
1-Month
61.4°F
(16.3°C)
59.5°F
(15.3°C)
1.9°F
(1.0°C)
103rd Coolest
Coolest since:
1916
26th Warmest
Warmest since:
2020
Ties: 1929, 1950, 1980, 1983, 1993
Sep–Oct 2011
2-Month
66.8°F
(19.3°C)
64.0°F
(17.8°C)
2.8°F
(1.5°C)
115th Coolest
Coolest since:
1916, 1920
14th Warmest
Warmest since:
2020
Ties: 2008
Aug–Oct 2011
3-Month
69.6°F
(20.9°C)
67.3°F
(19.6°C)
2.3°F
(1.3°C)
115th Coolest
Coolest since:
1900
14th Warmest
Warmest since:
2020
Jul–Oct 2011
4-Month
70.7°F
(21.5°C)
69.1°F
(20.6°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2020
Ties: 1917, 1995
Jun–Oct 2011
5-Month
70.0°F
(21.1°C)
68.9°F
(20.5°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2020
Ties: 1933, 1977, 1987
May–Oct 2011
6-Month
67.9°F
(19.9°C)
67.6°F
(19.8°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1916
57th Warmest
Warmest since:
2020
Ties: 1917, 1928, 1950, 1995
Apr–Oct 2011
7-Month
65.8°F
(18.8°C)
65.6°F
(18.7°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1912
61st Warmest
Warmest since:
2020
Ties: 1949, 1954, 1978
Mar–Oct 2011
8-Month
63.7°F
(17.6°C)
63.5°F
(17.5°C)
0.2°F
(0.1°C)
73rd Coolest
Coolest since:
1912
56th Warmest
Warmest since:
2014, 2015
Ties: 1932, 1943, 1952, 1968, 1969
Feb–Oct 2011
9-Month
61.4°F
(16.3°C)
61.5°F
(16.4°C)
-0.1°F
(-0.1°C)
53rd Coolest
Coolest since:
1912
76th Warmest
Warmest since:
2015
Ties: 1904, 1932, 1963, 1980, 1999
Jan–Oct 2011
10-Month
59.8°F
(15.4°C)
59.6°F
(15.3°C)
0.2°F
(0.1°C)
72nd Coolest
Coolest since:
1911, 1912
57th Warmest
Warmest since:
2015
Ties: 1914, 1954, 1979, 2010
Dec 2010–Oct 2011
11-Month
58.5°F
(14.7°C)
58.1°F
(14.5°C)
0.4°F
(0.2°C)
78th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2015
Ties: 1928, 1989
Nov 2010–Oct 2011
12-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
77th Coolest
Coolest since:
1912
51st Warmest
Warmest since:
2015
Ties: 1918, 1938, 1939, 1966, 1967, 1974, 1980
May 2010–Oct 2011
18-Month
61.1°F
(16.2°C)
60.8°F
(16.0°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1912
56th Warmest
Warmest since:
2015
Ties: 1918, 1982
Nov 2009–Oct 2011
24-Month
57.7°F
(14.3°C)
57.4°F
(14.1°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1912, 1949
55th Warmest
Warmest since:
2015
Ties: 1926, 1939, 1967
Nov 2008–Oct 2011
36-Month
58.1°F
(14.5°C)
57.4°F
(14.1°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1913
35th Warmest
Warmest since:
2016
Ties: 1986, 1987, 2012
Nov 2007–Oct 2011
48-Month
58.3°F
(14.6°C)
57.4°F
(14.1°C)
0.9°F
(0.5°C)
96th Coolest
Coolest since:
1912, 1913
29th Warmest
Warmest since:
2017
Ties: 1960, 1987, 1993, 1994, 1995
Nov 2006–Oct 2011
60-Month
58.4°F
(14.7°C)
57.4°F
(14.1°C)
1.0°F
(0.6°C)
99th Coolest
Coolest since:
1913
25th Warmest
Warmest since:
2018
Ties: 1990, 1994, 2001

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