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.

Great Basin

Average Temperature Rankings, December 2009

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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
December 2009
1-Month
24.4°F
(-4.2°C)
29.7°F
(-1.3°C)
-5.3°F
(-2.9°C)
10th Coolest
Coolest since:
1909, 1932
119th Warmest
Warmest since:
1917
Nov–Dec 2009
2-Month
32.1°F
(0.1°C)
33.6°F
(0.9°C)
-1.5°F
(-0.8°C)
34th Coolest
Coolest since:
1931
95th Warmest
Warmest since:
1917
Ties: 1956
Oct–Dec 2009
3-Month
37.0°F
(2.8°C)
39.0°F
(3.9°C)
-2.0°F
(-1.1°C)
20th Coolest
Coolest since:
1919
109th Warmest
Warmest since:
1950
Ties: 1932, 1990
Sep–Dec 2009
4-Month
44.1°F
(6.7°C)
44.5°F
(6.9°C)
-0.4°F
(-0.2°C)
49th Coolest
Coolest since:
1971
80th Warmest
Warmest since:
2014
Ties: 1899, 1945
Aug–Dec 2009
5-Month
49.2°F
(9.6°C)
49.5°F
(9.7°C)
-0.3°F
(-0.1°C)
51st Coolest
Coolest since:
1916
78th Warmest
Warmest since:
2020
Ties: 1936, 1975
Jul–Dec 2009
6-Month
53.2°F
(11.8°C)
53.1°F
(11.7°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1916
72nd Warmest
Warmest since:
2020
Ties: 1896, 1936, 1994
Jun–Dec 2009
7-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
48th Coolest
Coolest since:
1916
81st Warmest
Warmest since:
2021
Ties: 1904, 1915, 1992
May–Dec 2009
8-Month
55.0°F
(12.8°C)
54.5°F
(12.5°C)
0.5°F
(0.3°C)
74th Coolest
Coolest since:
1916
55th Warmest
Warmest since:
2021
Ties: 1942, 1952, 1954, 1980
Apr–Dec 2009
9-Month
53.9°F
(12.2°C)
53.5°F
(11.9°C)
0.4°F
(0.3°C)
69th Coolest
Coolest since:
1912
60th Warmest
Warmest since:
2021
Ties: 1986, 2010, 2019
Mar–Dec 2009
10-Month
52.4°F
(11.3°C)
52.0°F
(11.1°C)
0.4°F
(0.2°C)
75th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
1934, 2021
Ties: 1929, 1949, 2010, 2019
Feb–Dec 2009
11-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
80th Coolest
Coolest since:
1911, 1912
49th Warmest
Warmest since:
1934
Ties: 1925, 1959, 1980, 1990
Jan–Dec 2009
12-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1944
39th Warmest
Warmest since:
1934
Ties: 1900, 1950, 1959, 1980
Jul 2008–Dec 2009
18-Month
51.3°F
(10.7°C)
50.0°F
(10.0°C)
1.3°F
(0.7°C)
105th Coolest
Coolest since:
1912, 1913
23rd Warmest
Warmest since:
1934
Ties: 1959
Jan 2008–Dec 2009
24-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
91st Coolest
Coolest since:
1912, 1913
37th Warmest
Warmest since:
2015
Ties: 1960, 2010
Jan 2007–Dec 2009
36-Month
49.7°F
(9.8°C)
48.5°F
(9.2°C)
1.2°F
(0.6°C)
107th Coolest
Coolest since:
1913
20th Warmest
Warmest since:
2016
Ties: 1988, 2006, 2013
Jan 2006–Dec 2009
48-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
107th Coolest
Coolest since:
1914
19th Warmest
Warmest since:
2017
Jan 2005–Dec 2009
60-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
108th Coolest
Coolest since:
1899, 1915, 1916
17th Warmest
Warmest since:
2018
Ties: 2000, 2001

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