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 1901

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1901
1-Month
31.6°F
(-0.2°C)
29.7°F
(-1.3°C)
1.9°F
(1.1°C)
85th Coolest
Coolest since:
1909, 1932
44th Warmest
Warmest since:
1917
Nov–Dec 1901
2-Month
36.8°F
(2.7°C)
33.7°F
(0.9°C)
3.1°F
(1.8°C)
113th Coolest
Coolest since:
1931
16th Warmest
Warmest to Date
1917
Oct–Dec 1901
3-Month
41.7°F
(5.4°C)
39.0°F
(3.9°C)
2.7°F
(1.5°C)
114th Coolest
Coolest since:
1919
15th Warmest
Warmest to Date
1950
Sep–Dec 1901
4-Month
45.7°F
(7.6°C)
44.5°F
(6.9°C)
1.2°F
(0.7°C)
94th Coolest
Coolest since:
1971
35th Warmest
Warmest to Date
2014
Ties: 1929, 1955, 1983
Aug–Dec 1901
5-Month
50.5°F
(10.3°C)
49.4°F
(9.7°C)
1.1°F
(0.6°C)
91st Coolest
Coolest since:
1916
38th Warmest
Warmest to Date
2020
Ties: 1953, 1967, 1979, 1987, 1996
Jul–Dec 1901
6-Month
54.3°F
(12.4°C)
53.1°F
(11.7°C)
1.2°F
(0.7°C)
93rd Coolest
Coolest since:
1916
36th Warmest
Warmest to Date
2020
Ties: 1953, 1991, 2002
Jun–Dec 1901
7-Month
55.3°F
(12.9°C)
54.6°F
(12.6°C)
0.7°F
(0.3°C)
82nd Coolest
Coolest since:
1916
47th Warmest
Warmest to Date
2021
Ties: 1953, 1959, 1966, 1994, 2000
May–Dec 1901
8-Month
55.4°F
(13.0°C)
54.5°F
(12.5°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1916
40th Warmest
Warmest to Date
2021
Ties: 1922, 1929, 1936, 1963, 1979, 1989
Apr–Dec 1901
9-Month
54.2°F
(12.3°C)
53.6°F
(12.0°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1912
44th Warmest
Warmest to Date
2021
Ties: 1917, 1959, 1969, 1974, 1979
Mar–Dec 1901
10-Month
52.5°F
(11.4°C)
52.1°F
(11.2°C)
0.4°F
(0.2°C)
78th Coolest
Coolest since:
1912
51st Warmest
Warmest to Date
1934, 2021
Ties: 1931, 1995
Feb–Dec 1901
11-Month
50.6°F
(10.3°C)
50.3°F
(10.2°C)
0.3°F
(0.1°C)
70th Coolest
Coolest since:
1911, 1912
59th Warmest
Warmest since:
1934
Ties: 1928, 1991
Jan–Dec 1901
12-Month
48.8°F
(9.3°C)
48.4°F
(9.1°C)
0.4°F
(0.2°C)
74th Coolest
Coolest since:
1944
55th Warmest
Warmest since:
1934
Ties: 1925, 1927, 1928, 1961, 1969, 2019
Jul 1900–Dec 1901
18-Month
49.9°F
(9.9°C)
50.0°F
(10.0°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1912, 1913
74th Warmest
Warmest since:
1934
Ties: 1947, 1976
Jan 1900–Dec 1901
24-Month
49.1°F
(9.5°C)
48.5°F
(9.2°C)
0.6°F
(0.3°C)
88th Coolest
Coolest since:
1912, 1913
40th Warmest
Warmest to Date
2015
Ties: 1990
Jan 1899–Dec 1901
36-Month
48.6°F
(9.2°C)
48.5°F
(9.2°C)
0.1°F
(0.0°C)
67th Coolest
Coolest since:
1913
60th Warmest
Warmest to Date
2016
Ties: 1921, 1937, 1938, 1968
Jan 1898–Dec 1901
48-Month
48.2°F
(9.0°C)
48.4°F
(9.1°C)
-0.2°F
(-0.1°C)
42nd Coolest
Coolest since:
1914
84th Warmest
Warmest to Date
2017
Ties: 1903, 1910, 1922, 1957, 1972, 1974
Jan 1897–Dec 1901
60-Month
48.0°F
(8.9°C)
48.4°F
(9.1°C)
-0.4°F
(-0.2°C)
28th Coolest
Coolest since:
1899, 1915, 1916
97th Warmest
Warmest to Date
2018
Ties: 1923, 1932

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