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 1947

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1947
1-Month 		28.3°F
(-2.1°C)		 29.7°F
(-1.3°C)		 -1.4°F
(-0.8°C)		 41st Coolest
Coolest since:
 1909, 1932
88th Warmest
Warmest since:
 1917
Ties: 1985, 1997
Nov–Dec 1947
2-Month 		30.5°F
(-0.8°C)		 33.7°F
(0.9°C)		 -3.2°F
(-1.7°C)		 16th Coolest
Coolest since:
 1931
113th Warmest
Warmest since:
 1917
Oct–Dec 1947
3-Month 		37.5°F
(3.1°C)		 39.0°F
(3.9°C)		 -1.5°F
(-0.8°C)		 27th Coolest
Coolest since:
 1919
102nd Warmest
Warmest since:
 1950
Ties: 1920, 1923, 1946
Sep–Dec 1947
4-Month 		43.9°F
(6.6°C)		 44.5°F
(6.9°C)		 -0.6°F
(-0.3°C)		 40th Coolest
Coolest since:
 1971
89th Warmest
Warmest since:
 2014
Ties: 1918, 1992, 2000, 2013
Aug–Dec 1947
5-Month 		48.7°F
(9.3°C)		 49.4°F
(9.7°C)		 -0.7°F
(-0.4°C)		 36th Coolest
Coolest since:
 1916
93rd Warmest
Warmest since:
 2020
Ties: 1897, 1914, 1946
Jul–Dec 1947
6-Month 		52.3°F
(11.3°C)		 53.1°F
(11.7°C)		 -0.8°F
(-0.4°C)		 33rd Coolest
Coolest since:
 1916
96th Warmest
Warmest since:
 2020
Ties: 1914, 1956, 1957
Jun–Dec 1947
7-Month 		53.4°F
(11.9°C)		 54.6°F
(12.6°C)		 -1.2°F
(-0.7°C)		 20th Coolest
Coolest since:
 1916
109th Warmest
Warmest since:
 2021
Ties: 1978
May–Dec 1947
8-Month 		54.1°F
(12.3°C)		 54.5°F
(12.5°C)		 -0.4°F
(-0.2°C)		 38th Coolest
Coolest since:
 1916
91st Warmest
Warmest since:
 2021
Ties: 1903, 1946, 1964, 1970
Apr–Dec 1947
9-Month 		53.2°F
(11.8°C)		 53.6°F
(12.0°C)		 -0.4°F
(-0.2°C)		 41st Coolest
Coolest since:
 1912
88th Warmest
Warmest since:
 2021
Ties: 1900, 1914, 1953
Mar–Dec 1947
10-Month 		52.0°F
(11.1°C)		 52.0°F
(11.1°C)		 0.0°F
(0.0°C)		 57th Coolest
Coolest since:
 1912
72nd Warmest
Warmest since:
 1934, 2021
Ties: 1904, 1914, 1918, 2011
Feb–Dec 1947
11-Month 		50.7°F
(10.4°C)		 50.3°F
(10.2°C)		 0.4°F
(0.2°C)		 75th Coolest
Coolest since:
 1911, 1912
54th Warmest
Warmest since:
 1934
Ties: 1900, 1962, 1979, 2010
Jan–Dec 1947
12-Month 		48.6°F
(9.2°C)		 48.5°F
(9.2°C)		 0.1°F
(0.0°C)		 66th Coolest
Coolest since:
 1944
63rd Warmest
Warmest since:
 1934
Ties: 1914, 1962
Jul 1946–Dec 1947
18-Month 		49.9°F
(9.9°C)		 50.0°F
(10.0°C)		 -0.1°F
(-0.1°C)		 54th Coolest
Coolest since:
 1912, 1913
74th Warmest
Warmest since:
 1934
Ties: 1901, 1976
Jan 1946–Dec 1947
24-Month 		48.4°F
(9.1°C)		 48.4°F
(9.1°C)		 0.0°F
(0.0°C)		 51st Coolest
Coolest since:
 1912, 1913
77th Warmest
Warmest since:
 2015
Ties: 1900, 1902, 1929, 1953, 1966, 1979
Jan 1945–Dec 1947
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
87th Warmest
Warmest since:
 2016
Ties: 1911, 1920, 1930, 1931, 1964, 1971, 1976
Jan 1944–Dec 1947
48-Month 		47.7°F
(8.7°C)		 48.4°F
(9.1°C)		 -0.7°F
(-0.4°C)		 11th Coolest
Coolest since:
 1914
115th Warmest
Warmest since:
 2017
Ties: 1905, 1908, 1912, 1916, 1917, 1918, 1951
Jan 1943–Dec 1947
60-Month 		48.1°F
(8.9°C)		 48.4°F
(9.1°C)		 -0.3°F
(-0.2°C)		 31st Coolest
Coolest since:
 1899, 1915, 1916
94th Warmest
Warmest since:
 2018
Ties: 1902, 1903, 1910, 1925, 1926, 1953, 1968, 1973, 1976, 1986

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