Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Idaho

Average Temperature Rankings, December 2020

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2020
1-Month
26.2°F
(-3.2°C)
23.9°F
(-4.5°C)
2.3°F
(1.3°C)
95th Coolest
Coolest since:
1990
34th Warmest
Warmest since:
1917
Nov–Dec 2020
2-Month
29.4°F
(-1.4°C)
27.7°F
(-2.4°C)
1.7°F
(1.0°C)
88th Coolest
Coolest since:
1985
41st Warmest
Warmest since:
1917
Ties: 1976, 1977, 1996
Oct–Dec 2020
3-Month
34.8°F
(1.6°C)
33.3°F
(0.7°C)
1.5°F
(0.9°C)
100th Coolest
Coolest since:
1985
29th Warmest
Warmest since:
1917
Ties: 1926, 1988
Sep–Dec 2020
4-Month
40.8°F
(4.9°C)
38.6°F
(3.7°C)
2.2°F
(1.2°C)
115th Coolest
Coolest since:
1985
14th Warmest
Warmest since:
1917
Ties: 1987
Aug–Dec 2020
5-Month
46.0°F
(7.8°C)
43.6°F
(6.4°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1985
8th Warmest
Warmest since:
1917
Ties: 1953, 2014
Jul–Dec 2020
6-Month
49.2°F
(9.6°C)
47.2°F
(8.4°C)
2.0°F
(1.2°C)
116th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
1917
Jun–Dec 2020
7-Month
50.2°F
(10.1°C)
48.6°F
(9.2°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1985
17th Warmest
Warmest since:
2021
Ties: 1934
May–Dec 2020
8-Month
50.2°F
(10.1°C)
48.6°F
(9.2°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2021
Ties: 1936, 1988, 2013, 2018, 2022
Apr–Dec 2020
9-Month
49.3°F
(9.6°C)
47.8°F
(8.8°C)
1.5°F
(0.8°C)
111th Coolest
Coolest since:
1916
18th Warmest
Warmest since:
2021
Ties: 1910, 1937, 2018
Mar–Dec 2020
10-Month
47.8°F
(8.8°C)
46.2°F
(7.9°C)
1.6°F
(0.9°C)
111th Coolest
Coolest since:
1916, 1985
18th Warmest
Warmest since:
1934
Ties: 1958, 1994, 2006, 2018
Feb–Dec 2020
11-Month
45.9°F
(7.7°C)
44.5°F
(6.9°C)
1.4°F
(0.8°C)
111th Coolest
Coolest since:
1985
18th Warmest
Warmest since:
1934
Ties: 1925, 1963
Jan–Dec 2020
12-Month
44.3°F
(6.8°C)
42.6°F
(5.9°C)
1.7°F
(0.9°C)
115th Coolest
Coolest since:
1985
14th Warmest
Warmest since:
1934
Ties: 1981, 1994, 1998, 2017
Jul 2019–Dec 2020
18-Month
45.3°F
(7.4°C)
44.1°F
(6.7°C)
1.2°F
(0.7°C)
103rd Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1934
Ties: 1939, 1941, 1953, 1958
Jan 2019–Dec 2020
24-Month
43.7°F
(6.5°C)
42.6°F
(5.9°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1985
29th Warmest
Warmest since:
2015, 2016
Ties: 1939, 1954, 2012
Jan 2018–Dec 2020
36-Month
43.9°F
(6.6°C)
42.5°F
(5.8°C)
1.4°F
(0.8°C)
111th Coolest
Coolest since:
1913
16th Warmest
Warmest since:
2016
Ties: 1936, 1992, 2000, 2001, 2019
Jan 2017–Dec 2020
48-Month
44.0°F
(6.7°C)
42.5°F
(5.8°C)
1.5°F
(0.9°C)
113th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
2017
Ties: 1941, 2001, 2005
Jan 2016–Dec 2020
60-Month
44.2°F
(6.8°C)
42.5°F
(5.8°C)
1.7°F
(1.0°C)
117th Coolest
Coolest since:
1913, 1916
8th Warmest
Warmest since:
2016, 2018
Ties: 2022

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