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.

Montana

Average Temperature Rankings, May 1923

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 1923
1-Month		50.4°F
(10.2°C)		50.2°F
(10.1°C)		0.2°F
(0.1°C)		72nd Coolest
Coolest since:
1907, 1927
57th Warmest
Warmest since:
1934
Apr–May 1923
2-Month		44.8°F
(7.1°C)		45.5°F
(7.5°C)		-0.7°F
(-0.4°C)		50th Coolest
Coolest since:
1975
79th Warmest
Warmest since:
1934
Ties: 1960, 2019
Mar–May 1923
3-Month		39.1°F
(3.9°C)		40.1°F
(4.5°C)		-1.0°F
(-0.6°C)		40th Coolest
Coolest since:
1899
89th Warmest
Warmest since:
1910
Ties: 1947, 2022
Feb–May 1923
4-Month		32.9°F
(0.5°C)		35.4°F
(1.9°C)		-2.5°F
(-1.4°C)		21st Coolest
Coolest since:
1899
108th Warmest
Warmest since:
1992
Ties: 1912, 1950
Jan–May 1923
5-Month		30.7°F
(-0.7°C)		31.7°F
(-0.2°C)		-1.0°F
(-0.5°C)		44th Coolest
Coolest since:
1899
85th Warmest
Warmest since:
1992
Ties: 1932, 1952, 1966
Dec 1922–May 1923
6-Month		27.8°F
(-2.3°C)		29.9°F
(-1.2°C)		-2.1°F
(-1.1°C)		25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
1992
Ties: 1996
Nov 1922–May 1923
7-Month		27.9°F
(-2.3°C)		29.8°F
(-1.2°C)		-1.9°F
(-1.1°C)		23rd Coolest
Coolest since:
1899
105th Warmest
Warmest since:
1992
Ties: 1982
Oct 1922–May 1923
8-Month		30.1°F
(-1.1°C)		31.5°F
(-0.3°C)		-1.4°F
(-0.8°C)		29th Coolest
Coolest since:
1899
99th Warmest
Warmest since:
1934, 2000
Ties: 1896, 1898, 1933, 1947
Sep 1922–May 1923
9-Month		33.2°F
(0.7°C)		34.0°F
(1.1°C)		-0.8°F
(-0.4°C)		44th Coolest
Coolest since:
1899
84th Warmest
Warmest since:
2016
Aug 1922–May 1923
10-Month		36.6°F
(2.6°C)		37.0°F
(2.8°C)		-0.4°F
(-0.2°C)		49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
1992, 2016
Ties: 1930, 1955, 1973
Jul 1922–May 1923
11-Month		39.1°F
(3.9°C)		39.6°F
(4.2°C)		-0.5°F
(-0.3°C)		48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
1992, 2016
Ties: 1959, 1986
Jun 1922–May 1923
12-Month		41.0°F
(5.0°C)		41.1°F
(5.1°C)		-0.1°F
(-0.1°C)		56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2016
Dec 1921–May 1923
18-Month		35.8°F
(2.1°C)		37.4°F
(3.0°C)		-1.6°F
(-0.9°C)		16th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2016
Ties: 1930, 1936, 1970
Jun 1921–May 1923
24-Month		40.1°F
(4.5°C)		41.1°F
(5.1°C)		-1.0°F
(-0.6°C)		22nd Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2016
Ties: 1916
Jun 1920–May 1923
36-Month		40.8°F
(4.9°C)		41.1°F
(5.1°C)		-0.3°F
(-0.2°C)		40th Coolest
Coolest since:
1918
86th Warmest
Warmest since:
2017
Ties: 1915, 1920, 1956
Jun 1919–May 1923
48-Month		40.4°F
(4.7°C)		41.1°F
(5.1°C)		-0.7°F
(-0.4°C)		19th Coolest
Coolest since:
1899, 1952
106th Warmest
Warmest since:
2016
Ties: 1901, 1905, 1906
Jun 1918–May 1923
60-Month		40.8°F
(4.9°C)		41.1°F
(5.1°C)		-0.3°F
(-0.2°C)		41st Coolest
Coolest since:
1952
83rd Warmest
Warmest since:
2016
Ties: 1922, 1959, 1960, 1971, 1974, 1982

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