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 2019

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2019
1-Month 		55.0°F
(12.8°C)		 54.7°F
(12.6°C)		 0.3°F
(0.2°C)		 61st Coolest
Coolest since:
 1912, 1965
68th Warmest
Warmest since:
 1990
Ties: 1898, 1932, 1948
Aug–Sep 2019
2-Month 		60.5°F
(15.8°C)		 59.2°F
(15.1°C)		 1.3°F
(0.7°C)		 94th Coolest
Coolest since:
 1912
35th Warmest
Warmest since:
 2022
Ties: 1939
Jul–Sep 2019
3-Month 		62.2°F
(16.8°C)		 61.1°F
(16.2°C)		 1.1°F
(0.6°C)		 87th Coolest
Coolest since:
 1912
42nd Warmest
Warmest since:
 2022
Ties: 1942, 1949, 2002
Jun–Sep 2019
4-Month 		60.9°F
(16.1°C)		 60.0°F
(15.6°C)		 0.9°F
(0.5°C)		 88th Coolest
Coolest since:
 1993
41st Warmest
Warmest since:
 2021
Ties: 1896
May–Sep 2019
5-Month 		58.7°F
(14.8°C)		 57.9°F
(14.4°C)		 0.8°F
(0.4°C)		 87th Coolest
Coolest since:
 1912
42nd Warmest
Warmest since:
 2021
Ties: 1925, 1939, 1960
Apr–Sep 2019
6-Month 		56.1°F
(13.4°C)		 55.1°F
(12.8°C)		 1.0°F
(0.6°C)		 92nd Coolest
Coolest since:
 1912
37th Warmest
Warmest since:
 2021
Ties: 1925, 1926, 1966
Mar–Sep 2019
7-Month 		52.7°F
(11.5°C)		 51.8°F
(11.0°C)		 0.9°F
(0.5°C)		 88th Coolest
Coolest since:
 1912
41st Warmest
Warmest since:
 1934, 2015
Ties: 1946, 1947, 1979, 2009
Feb–Sep 2019
8-Month 		49.0°F
(9.4°C)		 48.7°F
(9.3°C)		 0.3°F
(0.1°C)		 74th Coolest
Coolest since:
 1964
55th Warmest
Warmest since:
 1934, 2015
Ties: 1939, 1974, 1995, 1996
Jan–Sep 2019
9-Month 		46.5°F
(8.1°C)		 45.7°F
(7.6°C)		 0.8°F
(0.5°C)		 87th Coolest
Coolest since:
 1917
42nd Warmest
Warmest since:
 1934
Ties: 1983, 1995, 1997
Dec 2018–Sep 2019
10-Month 		44.3°F
(6.8°C)		 43.5°F
(6.4°C)		 0.8°F
(0.4°C)		 83rd Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 1934
Ties: 1925, 1959, 1986, 1995, 1996
Nov 2018–Sep 2019
11-Month 		43.1°F
(6.2°C)		 42.5°F
(5.8°C)		 0.6°F
(0.4°C)		 83rd Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 1934
Ties: 1919, 1953, 1970
Oct 2018–Sep 2019
12-Month 		43.2°F
(6.2°C)		 42.6°F
(5.9°C)		 0.6°F
(0.3°C)		 82nd Coolest
Coolest since:
 1917
46th Warmest
Warmest since:
 1934
Ties: 1935
Apr 2018–Sep 2019
18-Month 		47.9°F
(8.8°C)		 46.7°F
(8.2°C)		 1.2°F
(0.6°C)		 102nd Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 2015
Ties: 1981, 2001, 2012, 2020
Oct 2017–Sep 2019
24-Month 		43.9°F
(6.6°C)		 42.6°F
(5.9°C)		 1.3°F
(0.7°C)		 105th Coolest
Coolest since:
 1917
22nd Warmest
Warmest since:
 2016
Ties: 1919, 1992, 1998
Oct 2016–Sep 2019
36-Month 		44.1°F
(6.7°C)		 42.6°F
(5.9°C)		 1.5°F
(0.8°C)		 115th Coolest
Coolest since:
 1917
11th Warmest
Warmest since:
 2017
Ties: 1941, 1992, 2000, 2004, 2006
Oct 2015–Sep 2019
48-Month 		44.4°F
(6.9°C)		 42.6°F
(5.9°C)		 1.8°F
(1.0°C)		 120th Coolest
Coolest since:
 1913, 1917, 1932
5th Warmest
Warmest since:
 2018
Oct 2014–Sep 2019
60-Month 		44.8°F
(7.1°C)		 42.6°F
(5.9°C)		 2.2°F
(1.2°C)		 120th Coolest
Coolest since:
 1917, 1933
4th Warmest
Warmest since:
 2016, 2017, 2018

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