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 1930

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1930
1-Month
23.7°F
(-4.6°C)
29.7°F
(-1.3°C)
-6.0°F
(-3.3°C)
7th Coolest
Coolest since:
1909, 1932
121st Warmest
Warmest since:
1917
Nov–Dec 1930
2-Month
28.8°F
(-1.8°C)
33.6°F
(0.9°C)
-4.8°F
(-2.7°C)
2nd Coolest
Coolest since:
1931
126th Warmest
Warmest since:
1917
Oct–Dec 1930
3-Month
34.9°F
(1.6°C)
39.0°F
(3.9°C)
-4.1°F
(-2.3°C)
3rd Coolest
Coolest since:
1919
125th Warmest
Warmest since:
1950
Sep–Dec 1930
4-Month
41.0°F
(5.0°C)
44.4°F
(6.9°C)
-3.4°F
(-1.9°C)
2nd Coolest
Coolest since:
1971
126th Warmest
Warmest since:
2014
Ties: 1916
Aug–Dec 1930
5-Month
46.7°F
(8.2°C)
49.5°F
(9.7°C)
-2.8°F
(-1.5°C)
3rd Coolest
Coolest since:
1916
125th Warmest
Warmest since:
2020
Jul–Dec 1930
6-Month
50.9°F
(10.5°C)
53.1°F
(11.7°C)
-2.2°F
(-1.2°C)
4th Coolest
Coolest since:
1916
124th Warmest
Warmest since:
2020
Jun–Dec 1930
7-Month
52.8°F
(11.6°C)
54.5°F
(12.5°C)
-1.7°F
(-0.9°C)
6th Coolest
Coolest since:
1916
122nd Warmest
Warmest since:
2021
Ties: 1895, 1993
May–Dec 1930
8-Month
52.5°F
(11.4°C)
54.5°F
(12.5°C)
-2.0°F
(-1.1°C)
6th Coolest
Coolest since:
1916
122nd Warmest
Warmest since:
2021
Apr–Dec 1930
9-Month
52.3°F
(11.3°C)
53.5°F
(11.9°C)
-1.2°F
(-0.6°C)
12th Coolest
Coolest since:
1912
116th Warmest
Warmest since:
2021
Ties: 1895, 1899, 1909, 1920, 1948, 1965, 1978
Mar–Dec 1930
10-Month
51.0°F
(10.6°C)
52.0°F
(11.1°C)
-1.0°F
(-0.5°C)
22nd Coolest
Coolest since:
1912
106th Warmest
Warmest since:
1934, 2021
Ties: 1897, 1898
Feb–Dec 1930
11-Month
49.8°F
(9.9°C)
50.3°F
(10.2°C)
-0.5°F
(-0.3°C)
39th Coolest
Coolest since:
1911, 1912
89th Warmest
Warmest since:
1934
Jan–Dec 1930
12-Month
47.5°F
(8.6°C)
48.5°F
(9.2°C)
-1.0°F
(-0.6°C)
24th Coolest
Coolest since:
1944
104th Warmest
Warmest since:
1934
Ties: 1899, 1993
Jul 1929–Dec 1930
18-Month
49.8°F
(9.9°C)
50.0°F
(10.0°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1912, 1913
79th Warmest
Warmest since:
1934
Ties: 1904, 1915, 1946, 1969, 1982
Jan 1929–Dec 1930
24-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
20th Coolest
Coolest since:
1912, 1913
107th Warmest
Warmest since:
2015
Ties: 1908, 1914, 1918, 1976
Jan 1928–Dec 1930
36-Month
48.1°F
(8.9°C)
48.4°F
(9.1°C)
-0.3°F
(-0.2°C)
40th Coolest
Coolest since:
1913
86th Warmest
Warmest since:
2016
Ties: 1911, 1920, 1931, 1947, 1964, 1971, 1976
Jan 1927–Dec 1930
48-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
49th Coolest
Coolest since:
1914
76th Warmest
Warmest since:
2017
Ties: 1931, 1955, 1958, 1964, 1978
Jan 1926–Dec 1930
60-Month
48.6°F
(9.2°C)
48.4°F
(9.1°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1899, 1915, 1916
56th Warmest
Warmest since:
2018
Ties: 1984, 1987

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