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, September 2020

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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2020
1-Month 		58.7°F
(14.8°C)		 54.7°F
(12.6°C)		 4.0°F
(2.2°C)		 117th Coolest
Coolest since:
 1912, 1965
12th Warmest
Warmest since:
 1990
Aug–Sep 2020
2-Month 		62.9°F
(17.2°C)		 59.1°F
(15.1°C)		 3.8°F
(2.1°C)		 122nd Coolest
Coolest since:
 1912
7th Warmest
Warmest since:
 2022
Jul–Sep 2020
3-Month 		63.6°F
(17.6°C)		 61.2°F
(16.2°C)		 2.4°F
(1.4°C)		 116th Coolest
Coolest since:
 1912
13th Warmest
Warmest since:
 2022
Ties: 2014
Jun–Sep 2020
4-Month 		61.7°F
(16.5°C)		 60.0°F
(15.6°C)		 1.7°F
(0.9°C)		 106th Coolest
Coolest since:
 1993
23rd Warmest
Warmest since:
 2021
May–Sep 2020
5-Month 		59.5°F
(15.3°C)		 57.9°F
(14.4°C)		 1.6°F
(0.9°C)		 107th Coolest
Coolest since:
 1912
22nd Warmest
Warmest since:
 2021
Apr–Sep 2020
6-Month 		56.5°F
(13.6°C)		 55.0°F
(12.8°C)		 1.5°F
(0.8°C)		 103rd Coolest
Coolest since:
 1912
26th Warmest
Warmest since:
 2021
Mar–Sep 2020
7-Month 		53.5°F
(11.9°C)		 51.9°F
(11.1°C)		 1.6°F
(0.8°C)		 105th Coolest
Coolest since:
 1912
24th Warmest
Warmest since:
 1934, 2015
Ties: 1936, 1998
Feb–Sep 2020
8-Month 		50.0°F
(10.0°C)		 48.6°F
(9.2°C)		 1.4°F
(0.8°C)		 98th Coolest
Coolest since:
 1964
31st Warmest
Warmest since:
 1934, 2015
Jan–Sep 2020
9-Month 		47.5°F
(8.6°C)		 45.7°F
(7.6°C)		 1.8°F
(1.0°C)		 108th Coolest
Coolest since:
 1917
21st Warmest
Warmest since:
 1934
Ties: 1981, 1986, 2013
Dec 2019–Sep 2020
10-Month 		45.4°F
(7.4°C)		 43.5°F
(6.4°C)		 1.9°F
(1.0°C)		 111th Coolest
Coolest since:
 1917
17th Warmest
Warmest since:
 1934
Ties: 2014
Nov 2019–Sep 2020
11-Month 		44.4°F
(6.9°C)		 42.4°F
(5.8°C)		 2.0°F
(1.1°C)		 112th Coolest
Coolest since:
 1917
16th Warmest
Warmest since:
 1934
Ties: 1998, 2022
Oct 2019–Sep 2020
12-Month 		43.8°F
(6.6°C)		 42.6°F
(5.9°C)		 1.2°F
(0.7°C)		 96th Coolest
Coolest since:
 1917
32nd Warmest
Warmest since:
 1934
Ties: 1900, 1954, 2009
Apr 2019–Sep 2020
18-Month 		47.9°F
(8.8°C)		 46.8°F
(8.2°C)		 1.1°F
(0.6°C)		 102nd Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 2015
Ties: 1981, 2001, 2012, 2019
Oct 2018–Sep 2020
24-Month 		43.5°F
(6.4°C)		 42.6°F
(5.9°C)		 0.9°F
(0.5°C)		 95th Coolest
Coolest since:
 1917
32nd Warmest
Warmest since:
 2016
Ties: 1926, 1959, 1989, 1991, 1999, 2008
Oct 2017–Sep 2020
36-Month 		43.9°F
(6.6°C)		 42.6°F
(5.9°C)		 1.3°F
(0.7°C)		 108th Coolest
Coolest since:
 1917
18th Warmest
Warmest since:
 2017
Ties: 1990, 2002, 2003, 2013
Oct 2016–Sep 2020
48-Month 		44.0°F
(6.7°C)		 42.6°F
(5.9°C)		 1.4°F
(0.8°C)		 112th Coolest
Coolest since:
 1913, 1917, 1932
13th Warmest
Warmest since:
 2018
Ties: 1990, 2001, 2014
Oct 2015–Sep 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:
 1917, 1933
7th Warmest
Warmest since:
 2016, 2017, 2018
Ties: 2004, 2021, 2022

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