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 2021

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 2021
1-Month		28.6°F
(-1.9°C)		29.2°F
(-1.6°C)		-0.6°F
(-0.3°C)		47th Coolest
Coolest since:
2008
83rd Warmest
Warmest since:
2016
Ties: 1923, 1931, 1935, 1979, 1991
Mar–Apr 2021
2-Month		25.7°F
(-3.5°C)		25.8°F
(-3.4°C)		-0.1°F
(-0.1°C)		68th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
1934
Ties: 1932, 1960
Feb–Apr 2021
3-Month		22.8°F
(-5.1°C)		23.0°F
(-5.0°C)		-0.2°F
(-0.1°C)		57th Coolest
Coolest since:
1933, 1955
73rd Warmest
Warmest since:
1934
Ties: 1896
Jan–Apr 2021
4-Month		21.8°F
(-5.7°C)		20.7°F
(-6.3°C)		1.1°F
(0.6°C)		81st Coolest
Coolest since:
1922
49th Warmest
Warmest since:
1934
Dec 2020–Apr 2021
5-Month		20.9°F
(-6.2°C)		19.8°F
(-6.8°C)		1.1°F
(0.6°C)		86th Coolest
Coolest since:
1949
43rd Warmest
Warmest since:
1934
Ties: 1908, 1965, 2010
Nov 2020–Apr 2021
6-Month		21.3°F
(-5.9°C)		20.3°F
(-6.5°C)		1.0°F
(0.6°C)		83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
1934
Ties: 1902, 1908, 1947
Oct 2020–Apr 2021
7-Month		22.8°F
(-5.1°C)		21.9°F
(-5.6°C)		0.9°F
(0.5°C)		80th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
1934
Ties: 1958, 1994, 2013
Sep 2020–Apr 2021
8-Month		25.3°F
(-3.7°C)		24.2°F
(-4.3°C)		1.1°F
(0.6°C)		90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934
Ties: 1953, 2022
Aug 2020–Apr 2021
9-Month		28.2°F
(-2.1°C)		26.8°F
(-2.9°C)		1.4°F
(0.8°C)		100th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 1980
Jul 2020–Apr 2021
10-Month		30.3°F
(-0.9°C)		29.0°F
(-1.7°C)		1.3°F
(0.8°C)		97th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
2015
Ties: 1921, 1980
Jun 2020–Apr 2021
11-Month		31.5°F
(-0.3°C)		30.3°F
(-0.9°C)		1.2°F
(0.6°C)		100th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 1918, 2013
May 2020–Apr 2021
12-Month		32.0°F
(0.0°C)		30.8°F
(-0.7°C)		1.2°F
(0.7°C)		102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2015, 2016
Ties: 1967, 1983
Nov 2019–Apr 2021
18-Month		28.7°F
(-1.8°C)		27.3°F
(-2.6°C)		1.4°F
(0.8°C)		110th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2016
Ties: 1926, 2001
May 2019–Apr 2021
24-Month		31.9°F
(-0.1°C)		30.8°F
(-0.7°C)		1.1°F
(0.6°C)		106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2016
Ties: 1939, 1940, 1998, 2007, 2013, 2023
May 2018–Apr 2021
36-Month		32.0°F
(0.0°C)		30.8°F
(-0.7°C)		1.2°F
(0.7°C)		110th Coolest
Coolest since:
1933
17th Warmest
Warmest since:
2016, 2017
Ties: 1942, 1992
May 2017–Apr 2021
48-Month		32.3°F
(0.2°C)		30.8°F
(-0.7°C)		1.5°F
(0.9°C)		117th Coolest
Coolest since:
1932, 1933
9th Warmest
Warmest since:
2018
Ties: 1941, 2007
May 2016–Apr 2021
60-Month		32.3°F
(0.2°C)		30.8°F
(-0.7°C)		1.5°F
(0.9°C)		117th Coolest
Coolest since:
1933
8th Warmest
Warmest since:
2018
Ties: 2015

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