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 1921

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1921
1-Month
33.6°F
(0.9°C)
29.7°F
(-1.3°C)
3.9°F
(2.2°C)
111th Coolest
Coolest since:
1909, 1932
17th Warmest
Warmest since:
1917
Nov–Dec 1921
2-Month
37.7°F
(3.2°C)
33.6°F
(0.9°C)
4.1°F
(2.3°C)
119th Coolest
Coolest since:
1931
9th Warmest
Warmest since:
1917
Oct–Dec 1921
3-Month
42.9°F
(6.1°C)
39.0°F
(3.9°C)
3.9°F
(2.2°C)
124th Coolest
Coolest since:
1919
4th Warmest
Warmest since:
1950
Sep–Dec 1921
4-Month
47.1°F
(8.4°C)
44.5°F
(6.9°C)
2.6°F
(1.5°C)
116th Coolest
Coolest since:
1971
12th Warmest
Warmest since:
2014
Ties: 1958
Aug–Dec 1921
5-Month
51.6°F
(10.9°C)
49.4°F
(9.7°C)
2.2°F
(1.2°C)
111th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2020
Ties: 1999
Jul–Dec 1921
6-Month
55.0°F
(12.8°C)
53.1°F
(11.7°C)
1.9°F
(1.1°C)
110th Coolest
Coolest since:
1916
18th Warmest
Warmest since:
2020
Ties: 1934, 2016, 2018
Jun–Dec 1921
7-Month
56.5°F
(13.6°C)
54.6°F
(12.6°C)
1.9°F
(1.0°C)
111th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2021
May–Dec 1921
8-Month
56.1°F
(13.4°C)
54.6°F
(12.6°C)
1.5°F
(0.8°C)
109th Coolest
Coolest since:
1916
19th Warmest
Warmest to Date
2021
Ties: 1996, 2006, 2008
Apr–Dec 1921
9-Month
54.7°F
(12.6°C)
53.6°F
(12.0°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2021
Ties: 1936, 1966, 2013
Mar–Dec 1921
10-Month
53.5°F
(11.9°C)
52.0°F
(11.1°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
1934, 2021
Ties: 1960, 1994, 2013
Feb–Dec 1921
11-Month
51.8°F
(11.0°C)
50.3°F
(10.2°C)
1.5°F
(0.8°C)
108th Coolest
Coolest since:
1911, 1912
20th Warmest
Warmest since:
1934
Ties: 1958
Jan–Dec 1921
12-Month
50.0°F
(10.0°C)
48.4°F
(9.1°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1944
20th Warmest
Warmest to Date
1934
Ties: 1958, 1994
Jul 1920–Dec 1921
18-Month
50.7°F
(10.4°C)
50.0°F
(10.0°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1912, 1913
39th Warmest
Warmest since:
1934
Ties: 1950, 1953, 1958, 1963, 1978, 1986
Jan 1920–Dec 1921
24-Month
48.9°F
(9.4°C)
48.5°F
(9.2°C)
0.4°F
(0.2°C)
83rd Coolest
Coolest since:
1912, 1913
44th Warmest
Warmest since:
2015
Ties: 1936, 1939, 1977, 1978, 1982, 1986, 1991, 1993, 1998
Jan 1919–Dec 1921
36-Month
48.6°F
(9.2°C)
48.4°F
(9.1°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1913
59th Warmest
Warmest since:
2016
Ties: 1901, 1937, 1938, 1968
Jan 1918–Dec 1921
48-Month
48.6°F
(9.2°C)
48.4°F
(9.1°C)
0.2°F
(0.1°C)
69th Coolest
Coolest since:
1914
56th Warmest
Warmest to Date
2017
Ties: 1954, 1969, 1979, 1987
Jan 1917–Dec 1921
60-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1899, 1915, 1916
74th Warmest
Warmest since:
2018
Ties: 1904, 1922, 1956, 1977, 1979

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