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

Minimum Temperature Rankings, December 2021

View Period (Months):
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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 2021
1-Month 		19.3°F
(-7.1°C)		 16.2°F
(-8.8°C)		 3.1°F
(1.7°C)		 97th Coolest
Coolest since:
 1990
32nd Warmest
Warmest since:
 1917
Ties: 1940
Nov–Dec 2021
2-Month 		23.6°F
(-4.7°C)		 19.5°F
(-6.9°C)		 4.1°F
(2.2°C)		 122nd Coolest
Coolest since:
 1985
7th Warmest
Warmest since:
 1917
Oct–Dec 2021
3-Month 		27.2°F
(-2.7°C)		 23.6°F
(-4.7°C)		 3.6°F
(2.0°C)		 126th Coolest
Coolest since:
 1985
3rd Warmest
Warmest since:
 1950
Sep–Dec 2021
4-Month 		30.8°F
(-0.7°C)		 27.7°F
(-2.4°C)		 3.1°F
(1.7°C)		 126th Coolest
Coolest since:
 1985
3rd Warmest
Warmest since:
 1950
Ties: 2014
Aug–Dec 2021
5-Month 		34.4°F
(1.3°C)		 31.6°F
(-0.2°C)		 2.8°F
(1.5°C)		 126th Coolest
Coolest since:
 1985
3rd Warmest
Warmest since:
 2014
Jul–Dec 2021
6-Month 		38.0°F
(3.3°C)		 34.6°F
(1.4°C)		 3.4°F
(1.9°C)		 128th Coolest
Coolest since:
 1985
1st Warmest
Warmest to Date
 2021
Jun–Dec 2021
7-Month 		39.6°F
(4.2°C)		 35.8°F
(2.1°C)		 3.8°F
(2.1°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2021
May–Dec 2021
8-Month 		39.2°F
(4.0°C)		 35.9°F
(2.2°C)		 3.3°F
(1.8°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2021
Apr–Dec 2021
9-Month 		38.0°F
(3.3°C)		 35.1°F
(1.7°C)		 2.9°F
(1.6°C)		 128th Coolest
Coolest since:
 1916
1st Warmest
Warmest to Date
 2021
Mar–Dec 2021
10-Month 		36.5°F
(2.5°C)		 33.9°F
(1.1°C)		 2.6°F
(1.4°C)		 127th Coolest
Coolest since:
 1916
2nd Warmest
Warmest since:
 2015
Feb–Dec 2021
11-Month 		34.7°F
(1.5°C)		 32.3°F
(0.2°C)		 2.4°F
(1.3°C)		 124th Coolest
Coolest since:
 1985
5th Warmest
Warmest since:
 2015
Ties: 1940, 2014
Jan–Dec 2021
12-Month 		33.4°F
(0.8°C)		 30.8°F
(-0.7°C)		 2.6°F
(1.5°C)		 126th Coolest
Coolest since:
 1985
3rd Warmest
Warmest since:
 1934, 2015
Ties: 2003, 2014, 2016
Jul 2020–Dec 2021
18-Month 		34.2°F
(1.2°C)		 32.0°F
(0.0°C)		 2.2°F
(1.2°C)		 123rd Coolest
Coolest since:
 1985
5th Warmest
Warmest since:
 2015
Jan 2020–Dec 2021
24-Month 		32.8°F
(0.4°C)		 30.8°F
(-0.7°C)		 2.0°F
(1.1°C)		 122nd Coolest
Coolest since:
 1985
6th Warmest
Warmest since:
 2015, 2016
Ties: 2018
Jan 2019–Dec 2021
36-Month 		32.4°F
(0.2°C)		 30.8°F
(-0.7°C)		 1.6°F
(0.9°C)		 120th Coolest
Coolest since:
 1930, 1931
7th Warmest
Warmest since:
 2016
Ties: 2004, 2019, 2022
Jan 2018–Dec 2021
48-Month 		32.5°F
(0.3°C)		 30.8°F
(-0.7°C)		 1.7°F
(1.0°C)		 120th Coolest
Coolest since:
 1932
6th Warmest
Warmest since:
 2017
Ties: 2006
Jan 2017–Dec 2021
60-Month 		32.5°F
(0.3°C)		 30.7°F
(-0.7°C)		 1.8°F
(1.0°C)		 118th Coolest
Coolest since:
 1932, 1933
7th Warmest
Warmest since:
 2018
Ties: 2007

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