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 2020

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 2020
1-Month
30.6°F
(-0.8°C)
29.7°F
(-1.3°C)
0.9°F
(0.5°C)
77th Coolest
Coolest since:
1909, 1932
52nd Warmest
Warmest since:
1917
Ties: 1915, 1952
Nov–Dec 2020
2-Month
35.1°F
(1.7°C)
33.7°F
(0.9°C)
1.4°F
(0.8°C)
89th Coolest
Coolest since:
1931
40th Warmest
Warmest since:
1917
Ties: 1973
Oct–Dec 2020
3-Month
41.4°F
(5.2°C)
39.0°F
(3.9°C)
2.4°F
(1.3°C)
113th Coolest
Coolest since:
1919
16th Warmest
Warmest since:
1950
Ties: 1934, 2012, 2016, 2021
Sep–Dec 2020
4-Month
47.4°F
(8.6°C)
44.5°F
(6.9°C)
2.9°F
(1.7°C)
122nd Coolest
Coolest since:
1971
7th Warmest
Warmest since:
2014
Aug–Dec 2020
5-Month
52.9°F
(11.6°C)
49.4°F
(9.7°C)
3.5°F
(1.9°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Jul–Dec 2020
6-Month
56.4°F
(13.6°C)
53.1°F
(11.7°C)
3.3°F
(1.9°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Jun–Dec 2020
7-Month
57.5°F
(14.2°C)
54.6°F
(12.6°C)
2.9°F
(1.6°C)
127th Coolest
Coolest since:
1916
2nd Warmest
Warmest since:
2021
Ties: 2017
May–Dec 2020
8-Month
57.6°F
(14.2°C)
54.5°F
(12.5°C)
3.1°F
(1.7°C)
127th Coolest
Coolest since:
1916
2nd Warmest
Warmest to Date
2021
Apr–Dec 2020
9-Month
56.5°F
(13.6°C)
53.6°F
(12.0°C)
2.9°F
(1.6°C)
127th Coolest
Coolest since:
1912
2nd Warmest
Warmest to Date
2021
Mar–Dec 2020
10-Month
54.9°F
(12.7°C)
52.0°F
(11.1°C)
2.9°F
(1.6°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
1934, 2021
Ties: 2014
Feb–Dec 2020
11-Month
53.0°F
(11.7°C)
50.3°F
(10.2°C)
2.7°F
(1.5°C)
123rd Coolest
Coolest since:
1911, 1912
6th Warmest
Warmest since:
1934
Ties: 2012
Jan–Dec 2020
12-Month
51.4°F
(10.8°C)
48.5°F
(9.2°C)
2.9°F
(1.6°C)
124th Coolest
Coolest since:
1944
5th Warmest
Warmest since:
1934
Ties: 2012
Jul 2019–Dec 2020
18-Month
52.1°F
(11.2°C)
50.0°F
(10.0°C)
2.1°F
(1.2°C)
118th Coolest
Coolest since:
1912, 1913
10th Warmest
Warmest since:
1934
Ties: 1940, 1996, 2016
Jan 2019–Dec 2020
24-Month
50.1°F
(10.1°C)
48.4°F
(9.1°C)
1.7°F
(1.0°C)
113th Coolest
Coolest since:
1912, 1913
15th Warmest
Warmest since:
2015
Ties: 2000, 2002
Jan 2018–Dec 2020
36-Month
50.4°F
(10.2°C)
48.4°F
(9.1°C)
2.0°F
(1.1°C)
118th Coolest
Coolest since:
1913
9th Warmest
Warmest since:
2016
Jan 2017–Dec 2020
48-Month
50.6°F
(10.3°C)
48.4°F
(9.1°C)
2.2°F
(1.2°C)
121st Coolest
Coolest since:
1914
5th Warmest
Warmest since:
2017
Ties: 2021
Jan 2016–Dec 2020
60-Month
50.7°F
(10.4°C)
48.4°F
(9.1°C)
2.3°F
(1.3°C)
120th Coolest
Coolest since:
1899, 1915, 1916
5th Warmest
Warmest since:
2018
Ties: 2019

Citing This Page