Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1898

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1898
1-Month
24.8°F
(-4.0°C)
29.7°F
(-1.3°C)
-4.9°F
(-2.7°C)
13th Coolest
Coolest to Date
1909, 1932
116th Warmest
Warmest since:
1917
Nov–Dec 1898
2-Month
29.9°F
(-1.2°C)
33.7°F
(0.9°C)
-3.8°F
(-2.1°C)
8th Coolest
Coolest since:
1931
121st Warmest
Warmest since:
1917
Ties: 1911, 1924, 1992
Oct–Dec 1898
3-Month
35.3°F
(1.8°C)
39.0°F
(3.9°C)
-3.7°F
(-2.1°C)
5th Coolest
Coolest to Date
1919
124th Warmest
Warmest since:
1950
Ties: 1971
Sep–Dec 1898
4-Month
41.6°F
(5.3°C)
44.5°F
(6.9°C)
-2.9°F
(-1.6°C)
8th Coolest
Coolest to Date
1971
121st Warmest
Warmest since:
2014
Ties: 1985
Aug–Dec 1898
5-Month
47.7°F
(8.7°C)
49.4°F
(9.7°C)
-1.7°F
(-1.0°C)
12th Coolest
Coolest since:
1916
117th Warmest
Warmest since:
2020
Ties: 1895, 1968
Jul–Dec 1898
6-Month
51.8°F
(11.0°C)
53.1°F
(11.7°C)
-1.3°F
(-0.7°C)
16th Coolest
Coolest since:
1916
113th Warmest
Warmest since:
2020
Ties: 1913, 1919, 1968, 1978
Jun–Dec 1898
7-Month
53.6°F
(12.0°C)
54.6°F
(12.6°C)
-1.0°F
(-0.6°C)
27th Coolest
Coolest since:
1916
102nd Warmest
Warmest since:
2021
Ties: 1920, 1965, 1968
May–Dec 1898
8-Month
53.4°F
(11.9°C)
54.5°F
(12.5°C)
-1.1°F
(-0.6°C)
18th Coolest
Coolest since:
1916
111th Warmest
Warmest since:
2021
Ties: 1944, 1993
Apr–Dec 1898
9-Month
53.0°F
(11.7°C)
53.6°F
(12.0°C)
-0.6°F
(-0.3°C)
36th Coolest
Coolest since:
1912
93rd Warmest
Warmest since:
2021
Ties: 1902, 1924, 1967
Mar–Dec 1898
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
107th Warmest
Warmest since:
1934, 2021
Ties: 1897, 1930
Feb–Dec 1898
11-Month
49.5°F
(9.7°C)
50.3°F
(10.2°C)
-0.8°F
(-0.5°C)
25th Coolest
Coolest since:
1911, 1912
104th Warmest
Warmest since:
1934
Ties: 1922, 1993
Jan–Dec 1898
12-Month
47.0°F
(8.3°C)
48.5°F
(9.2°C)
-1.5°F
(-0.9°C)
12th Coolest
Coolest since:
1944
117th Warmest
Warmest since:
1934
Ties: 1917, 1922, 1932, 1948, 1975, 1982
Jul 1897–Dec 1898
18-Month
48.7°F
(9.3°C)
50.0°F
(10.0°C)
-1.3°F
(-0.7°C)
6th Coolest
Coolest to Date
1912, 1913
122nd Warmest
Warmest since:
1934
Jan 1897–Dec 1898
24-Month
47.2°F
(8.4°C)
48.4°F
(9.1°C)
-1.2°F
(-0.7°C)
7th Coolest
Coolest to Date
1912, 1913
121st Warmest
Warmest since:
2015
Jan 1896–Dec 1898
36-Month
47.6°F
(8.7°C)
48.4°F
(9.1°C)
-0.8°F
(-0.4°C)
10th Coolest
Coolest since:
1913
117th Warmest
Warmest to Date
2016
Ties: 1905, 1912, 1950, 1984
Jan 1895–Dec 1898
48-Month
47.4°F
(8.6°C)
48.4°F
(9.1°C)
-1.0°F
(-0.5°C)
2nd Coolest
Coolest to Date
1914
124th Warmest
Warmest to Date
2017
Ties: 1913

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