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 1918

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  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 1918
1-Month		26.8°F
(-2.9°C)		29.2°F
(-1.6°C)		-2.4°F
(-1.3°C)		12th Coolest
Coolest since:
2008
118th Warmest
Warmest since:
2016
Ties: 1933, 1983
Mar–Apr 1918
2-Month		25.6°F
(-3.6°C)		25.8°F
(-3.4°C)		-0.2°F
(-0.2°C)		65th Coolest
Coolest since:
1917
65th Warmest
Warmest since:
1934
Ties: 1959, 1968, 1979, 1997
Feb–Apr 1918
3-Month		22.1°F
(-5.5°C)		23.0°F
(-5.0°C)		-0.9°F
(-0.5°C)		40th Coolest
Coolest since:
1933, 1955
90th Warmest
Warmest since:
1934
Ties: 1984, 1989
Jan–Apr 1918
4-Month		21.4°F
(-5.9°C)		20.7°F
(-6.3°C)		0.7°F
(0.4°C)		73rd Coolest
Coolest since:
1922
57th Warmest
Warmest since:
1934
Ties: 1908, 1974
Dec 1917–Apr 1918
5-Month		22.7°F
(-5.2°C)		19.8°F
(-6.8°C)		2.9°F
(1.6°C)		115th Coolest
Coolest since:
1949
14th Warmest
Warmest since:
1934
Ties: 1995
Nov 1917–Apr 1918
6-Month		23.3°F
(-4.8°C)		20.3°F
(-6.5°C)		3.0°F
(1.7°C)		119th Coolest
Coolest since:
1917
10th Warmest
Warmest to Date
1934
Ties: 1926
Oct 1917–Apr 1918
7-Month		24.2°F
(-4.3°C)		21.9°F
(-5.6°C)		2.3°F
(1.3°C)		117th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
1934
Ties: 1926, 2005
Sep 1917–Apr 1918
8-Month		26.4°F
(-3.1°C)		24.2°F
(-4.3°C)		2.2°F
(1.2°C)		118th Coolest
Coolest since:
1917
11th Warmest
Warmest to Date
1934
Ties: 1926, 1941
Aug 1917–Apr 1918
9-Month		28.6°F
(-1.9°C)		26.8°F
(-2.9°C)		1.8°F
(1.0°C)		110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
1934
Ties: 1926, 1959, 1967, 1983
Jul 1917–Apr 1918
10-Month		30.7°F
(-0.7°C)		29.0°F
(-1.7°C)		1.7°F
(1.0°C)		109th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2015
Ties: 1983, 2012, 2022
Jun 1917–Apr 1918
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: 2013, 2021
May 1917–Apr 1918
12-Month		31.8°F
(-0.1°C)		30.8°F
(-0.7°C)		1.0°F
(0.6°C)		98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2015, 2016
Ties: 1980, 2012, 2020
Nov 1916–Apr 1918
18-Month		26.1°F
(-3.3°C)		27.3°F
(-2.6°C)		-1.2°F
(-0.7°C)		14th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2016
May 1916–Apr 1918
24-Month		29.2°F
(-1.6°C)		30.8°F
(-0.7°C)		-1.6°F
(-0.9°C)		4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2016
Ties: 1930, 1950
May 1915–Apr 1918
36-Month		29.6°F
(-1.3°C)		30.8°F
(-0.7°C)		-1.2°F
(-0.6°C)		5th Coolest
Coolest since:
1933
122nd Warmest
Warmest since:
2016, 2017
Ties: 1932
May 1914–Apr 1918
48-Month		29.9°F
(-1.2°C)		30.8°F
(-0.7°C)		-0.9°F
(-0.5°C)		6th Coolest
Coolest since:
1932, 1933
120th Warmest
Warmest since:
2018
Ties: 1917, 1923, 1958
May 1913–Apr 1918
60-Month		30.3°F
(-0.9°C)		30.8°F
(-0.7°C)		-0.5°F
(-0.2°C)		15th Coolest
Coolest since:
1933
110th Warmest
Warmest since:
2018
Ties: 1914, 1916, 1949, 1950, 1955, 1957, 1958

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