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 1939

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1939
1-Month
36.2°F
(2.3°C)
29.7°F
(-1.3°C)
6.5°F
(3.6°C)
125th Coolest
Coolest since:
1909, 1932
4th Warmest
Warmest since:
1917
Ties: 1958
Nov–Dec 1939
2-Month
38.5°F
(3.6°C)
33.6°F
(0.9°C)
4.9°F
(2.7°C)
125th Coolest
Coolest since:
1931
4th Warmest
Warmest since:
1917
Oct–Dec 1939
3-Month
42.0°F
(5.6°C)
39.0°F
(3.9°C)
3.0°F
(1.7°C)
118th Coolest
Coolest since:
1919
11th Warmest
Warmest since:
1950
Ties: 2017
Sep–Dec 1939
4-Month
46.8°F
(8.2°C)
44.5°F
(6.9°C)
2.3°F
(1.3°C)
114th Coolest
Coolest since:
1971
15th Warmest
Warmest since:
2014
Ties: 1963, 1981, 2001
Aug–Dec 1939
5-Month
51.7°F
(10.9°C)
49.4°F
(9.7°C)
2.3°F
(1.2°C)
115th Coolest
Coolest since:
1916
14th Warmest
Warmest since:
2020
Ties: 1981, 2003
Jul–Dec 1939
6-Month
55.2°F
(12.9°C)
53.1°F
(11.7°C)
2.1°F
(1.2°C)
115th Coolest
Coolest since:
1916
14th Warmest
Warmest since:
2020
Ties: 1958, 1981, 2008
Jun–Dec 1939
7-Month
56.3°F
(13.5°C)
54.6°F
(12.6°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1916
21st Warmest
Warmest since:
2021
Ties: 1950, 1988
May–Dec 1939
8-Month
56.4°F
(13.6°C)
54.6°F
(12.6°C)
1.8°F
(1.0°C)
113th Coolest
Coolest since:
1916
16th Warmest
Warmest since:
2021
Ties: 1940, 2015
Apr–Dec 1939
9-Month
55.6°F
(13.1°C)
53.6°F
(12.0°C)
2.0°F
(1.1°C)
116th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2021
Mar–Dec 1939
10-Month
54.0°F
(12.2°C)
52.1°F
(11.2°C)
1.9°F
(1.0°C)
114th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
1934, 2021
Ties: 1940, 1981
Feb–Dec 1939
11-Month
51.2°F
(10.7°C)
50.2°F
(10.1°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1911, 1912
38th Warmest
Warmest since:
1934
Ties: 1936, 1937, 1943, 1954
Jan–Dec 1939
12-Month
49.4°F
(9.7°C)
48.5°F
(9.2°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1944
34th Warmest
Warmest since:
1934
Ties: 1943, 1977, 1987, 1997
Jul 1938–Dec 1939
18-Month
50.6°F
(10.3°C)
50.0°F
(10.0°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1912, 1913
47th Warmest
Warmest since:
1934
Ties: 1935, 1936, 1961, 1977
Jan 1938–Dec 1939
24-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
83rd Coolest
Coolest since:
1912, 1913
45th Warmest
Warmest since:
2015
Ties: 1921, 1936, 1977, 1978, 1982, 1986, 1991, 1993, 1998
Jan 1937–Dec 1939
36-Month
48.5°F
(9.2°C)
48.4°F
(9.1°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1913
70th Warmest
Warmest since:
2016
Ties: 1929, 1943, 1955, 1969, 1974
Jan 1936–Dec 1939
48-Month
48.8°F
(9.3°C)
48.4°F
(9.1°C)
0.4°F
(0.2°C)
72nd Coolest
Coolest since:
1914
54th Warmest
Warmest since:
2017
Ties: 1935, 1963
Jan 1935–Dec 1939
60-Month
48.7°F
(9.3°C)
48.4°F
(9.1°C)
0.3°F
(0.2°C)
71st Coolest
Coolest since:
1899, 1915, 1916
54th Warmest
Warmest since:
2018
Ties: 1934, 1954

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