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 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1990
1-Month
21.8°F
(-5.7°C)
29.7°F
(-1.3°C)
-7.9°F
(-4.4°C)
3rd Coolest
Coolest since:
1909, 1932
126th Warmest
Warmest since:
1917
Nov–Dec 1990
2-Month
30.0°F
(-1.1°C)
33.6°F
(0.9°C)
-3.6°F
(-2.0°C)
12th Coolest
Coolest since:
1931
117th Warmest
Warmest since:
1917
Ties: 1909, 1978
Oct–Dec 1990
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, 2009
Sep–Dec 1990
4-Month
44.0°F
(6.7°C)
44.5°F
(6.9°C)
-0.5°F
(-0.2°C)
45th Coolest
Coolest since:
1971
84th Warmest
Warmest since:
2014
Ties: 1906, 1936, 1956
Aug–Dec 1990
5-Month
49.1°F
(9.5°C)
49.5°F
(9.7°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1916
84th Warmest
Warmest since:
2020
Ties: 1927, 1935, 1944, 1965, 1976
Jul–Dec 1990
6-Month
53.0°F
(11.7°C)
53.1°F
(11.7°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1916
76th Warmest
Warmest since:
2020
Ties: 1904, 1927, 1975
Jun–Dec 1990
7-Month
54.7°F
(12.6°C)
54.5°F
(12.5°C)
0.2°F
(0.1°C)
59th Coolest
Coolest since:
1916
70th Warmest
Warmest since:
2021
Ties: 1918, 1969, 1983
May–Dec 1990
8-Month
54.6°F
(12.6°C)
54.6°F
(12.6°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1916
72nd Warmest
Warmest since:
2021
Ties: 1928, 1976, 2011, 2019
Apr–Dec 1990
9-Month
54.1°F
(12.3°C)
53.5°F
(11.9°C)
0.6°F
(0.4°C)
79th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2021
Ties: 1949, 1952, 1980, 1997, 1999
Mar–Dec 1990
10-Month
52.9°F
(11.6°C)
52.0°F
(11.1°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1912
43rd Warmest
Warmest since:
1934, 2021
Ties: 1974
Feb–Dec 1990
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, 2009
Jan–Dec 1990
12-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1944
46th Warmest
Warmest since:
1934
Ties: 1953, 1960, 1989, 2010
Jul 1989–Dec 1990
18-Month
50.8°F
(10.4°C)
50.0°F
(10.0°C)
0.8°F
(0.4°C)
93rd Coolest
Coolest since:
1912, 1913
35th Warmest
Warmest since:
1934
Ties: 1938, 1980, 1988, 2019
Jan 1989–Dec 1990
24-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1912, 1913
40th Warmest
Warmest since:
2015
Ties: 1901
Jan 1988–Dec 1990
36-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
95th Coolest
Coolest since:
1913
32nd Warmest
Warmest since:
2016
Ties: 1927, 1928, 1941, 1992
Jan 1987–Dec 1990
48-Month
49.3°F
(9.6°C)
48.4°F
(9.1°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1914
31st Warmest
Warmest since:
2017
Ties: 1961, 1992
Jan 1986–Dec 1990
60-Month
49.5°F
(9.7°C)
48.4°F
(9.1°C)
1.1°F
(0.6°C)
101st Coolest
Coolest since:
1899, 1915, 1916
24th Warmest
Warmest to Date
2018
Ties: 2012, 2013

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