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, April 2020

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
April 2020
1-Month		28.7°F
(-1.8°C)		29.2°F
(-1.6°C)		-0.5°F
(-0.2°C)		52nd Coolest
Coolest since:
2008
77th Warmest
Warmest since:
2016
Ties: 1902
Mar–Apr 2020
2-Month		26.7°F
(-2.9°C)		25.8°F
(-3.4°C)		0.9°F
(0.5°C)		81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
1934
Ties: 1957, 1972
Feb–Apr 2020
3-Month		23.0°F
(-5.0°C)		23.0°F
(-5.0°C)		0.0°F
(0.0°C)		60th Coolest
Coolest since:
1933, 1955
69th Warmest
Warmest since:
1934
Ties: 1970, 2019
Jan–Apr 2020
4-Month		22.3°F
(-5.4°C)		20.7°F
(-6.3°C)		1.6°F
(0.9°C)		91st Coolest
Coolest since:
1922
38th Warmest
Warmest since:
1934
Ties: 1959, 1970
Dec 2019–Apr 2020
5-Month		21.8°F
(-5.7°C)		19.8°F
(-6.8°C)		2.0°F
(1.1°C)		100th Coolest
Coolest since:
1949
28th Warmest
Warmest since:
1934
Ties: 1900
Nov 2019–Apr 2020
6-Month		22.1°F
(-5.5°C)		20.3°F
(-6.5°C)		1.8°F
(1.0°C)		104th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
1934
Ties: 1974
Oct 2019–Apr 2020
7-Month		22.5°F
(-5.3°C)		21.9°F
(-5.6°C)		0.6°F
(0.3°C)		67th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
1934
Ties: 1901, 1945, 1947, 1966
Sep 2019–Apr 2020
8-Month		25.0°F
(-3.9°C)		24.2°F
(-4.3°C)		0.8°F
(0.4°C)		80th Coolest
Coolest since:
1917
48th Warmest
Warmest since:
1934
Ties: 1914, 2011
Aug 2019–Apr 2020
9-Month		27.8°F
(-2.3°C)		26.8°F
(-2.9°C)		1.0°F
(0.6°C)		88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1951, 1953, 2007
Jul 2019–Apr 2020
10-Month		30.0°F
(-1.1°C)		29.0°F
(-1.7°C)		1.0°F
(0.6°C)		89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2015
Ties: 1902, 2019
Jun 2019–Apr 2020
11-Month		31.2°F
(-0.4°C)		30.3°F
(-0.9°C)		0.9°F
(0.5°C)		89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934
Ties: 1968, 1996, 2010
May 2019–Apr 2020
12-Month		31.8°F
(-0.1°C)		30.8°F
(-0.7°C)		1.0°F
(0.6°C)		97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2015, 2016
Ties: 1918, 1980, 2012
Nov 2018–Apr 2020
18-Month		28.2°F
(-2.1°C)		27.3°F
(-2.6°C)		0.9°F
(0.5°C)		88th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2016
Ties: 1908, 1988, 1991, 2010
May 2018–Apr 2020
24-Month		32.0°F
(0.0°C)		30.8°F
(-0.7°C)		1.2°F
(0.7°C)		109th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2016
Ties: 1992, 1996, 2006
May 2017–Apr 2020
36-Month		32.3°F
(0.2°C)		30.8°F
(-0.7°C)		1.5°F
(0.9°C)		118th Coolest
Coolest since:
1933
8th Warmest
Warmest since:
2016, 2017
Ties: 2004, 2006
May 2016–Apr 2020
48-Month		32.4°F
(0.2°C)		30.8°F
(-0.7°C)		1.6°F
(0.9°C)		119th Coolest
Coolest since:
1932, 1933
6th Warmest
Warmest since:
2018
Ties: 2005, 2006
May 2015–Apr 2020
60-Month		32.8°F
(0.4°C)		30.8°F
(-0.7°C)		2.0°F
(1.1°C)		119th Coolest
Coolest since:
1933
5th Warmest
Warmest since:
2018

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