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 1989

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1989
1-Month
32.0°F
(0.0°C)
29.7°F
(-1.3°C)
2.3°F
(1.3°C)
89th Coolest
Coolest since:
1909, 1932
39th Warmest
Warmest since:
1917
Ties: 1900, 1940, 2002
Nov–Dec 1989
2-Month
35.8°F
(2.1°C)
33.7°F
(0.9°C)
2.1°F
(1.2°C)
101st Coolest
Coolest since:
1931
27th Warmest
Warmest since:
1917
Ties: 1949, 2008
Oct–Dec 1989
3-Month
40.3°F
(4.6°C)
39.0°F
(3.9°C)
1.3°F
(0.7°C)
92nd Coolest
Coolest since:
1919
36th Warmest
Warmest since:
1950
Ties: 1996
Sep–Dec 1989
4-Month
45.5°F
(7.5°C)
44.4°F
(6.9°C)
1.1°F
(0.6°C)
87th Coolest
Coolest since:
1971
41st Warmest
Warmest since:
2014
Aug–Dec 1989
5-Month
50.0°F
(10.0°C)
49.4°F
(9.7°C)
0.6°F
(0.3°C)
76th Coolest
Coolest since:
1916
52nd Warmest
Warmest since:
2020
Ties: 1949, 1997, 2002, 2019
Jul–Dec 1989
6-Month
54.0°F
(12.2°C)
53.1°F
(11.7°C)
0.9°F
(0.5°C)
85th Coolest
Coolest since:
1916
43rd Warmest
Warmest since:
2020
Ties: 1979
Jun–Dec 1989
7-Month
55.4°F
(13.0°C)
54.6°F
(12.6°C)
0.8°F
(0.4°C)
87th Coolest
Coolest since:
1916
41st Warmest
Warmest since:
2021
Ties: 1974, 1979, 1987, 1991
May–Dec 1989
8-Month
55.4°F
(13.0°C)
54.6°F
(12.6°C)
0.8°F
(0.4°C)
89th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2021
Ties: 1901, 1922, 1929, 1936, 1963, 1979
Apr–Dec 1989
9-Month
54.9°F
(12.7°C)
53.5°F
(11.9°C)
1.4°F
(0.8°C)
101st Coolest
Coolest since:
1912
27th Warmest
Warmest since:
2021
Mar–Dec 1989
10-Month
53.8°F
(12.1°C)
52.0°F
(11.1°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
1934, 2021
Ties: 2004
Feb–Dec 1989
11-Month
51.4°F
(10.8°C)
50.3°F
(10.2°C)
1.1°F
(0.6°C)
98th Coolest
Coolest since:
1911, 1912
30th Warmest
Warmest since:
1934
Ties: 1950, 1977, 2006
Jan–Dec 1989
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
45th Warmest
Warmest since:
1934
Ties: 1953, 1960, 1990, 2010
Jul 1988–Dec 1989
18-Month
50.9°F
(10.5°C)
50.0°F
(10.0°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1912, 1913
30th Warmest
Warmest since:
1934
Ties: 1918, 1926, 2005
Jan 1988–Dec 1989
24-Month
49.3°F
(9.6°C)
48.4°F
(9.1°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1912, 1913
34th Warmest
Warmest since:
2015
Ties: 1941
Jan 1987–Dec 1989
36-Month
49.4°F
(9.7°C)
48.5°F
(9.2°C)
0.9°F
(0.5°C)
99th Coolest
Coolest since:
1913
27th Warmest
Warmest since:
2016
Ties: 1935, 1940, 1998
Jan 1986–Dec 1989
48-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
106th Coolest
Coolest since:
1914
19th Warmest
Warmest to Date
2017
Ties: 2012
Jan 1985–Dec 1989
60-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
94th Coolest
Coolest since:
1899, 1915, 1916
30th Warmest
Warmest since:
2018
Ties: 1938, 1962, 1981, 1991

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