Divisional Rankings

Divisional 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, Climate Division 3. North Central

Precipitation Rankings, January 1941

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 1941
1-Month 		0.36"
(9.14mm)		 0.79"
(20.07mm)		 -0.43"
(-10.93mm)		 18th Driest
Driest since:
 1944
112th Wettest
Wettest since:
 1971
Ties: 1958
Dec 1940–Jan 1941
2-Month 		0.63"
(16.00mm)		 1.56"
(39.62mm)		 -0.93"
(-23.62mm)		 8th Driest
Driest since:
 1944
121st Wettest
Wettest since:
 1918
Ties: 2021
Nov 1940–Jan 1941
3-Month 		1.47"
(37.34mm)		 2.29"
(58.17mm)		 -0.82"
(-20.83mm)		 20th Driest
Driest since:
 1944
109th Wettest
Wettest since:
 1907
Ties: 1961
Oct 1940–Jan 1941
4-Month 		2.98"
(75.69mm)		 3.11"
(78.99mm)		 -0.13"
(-3.30mm)		 59th Driest
Driest since:
 1908
70th Wettest
Wettest since:
 1907
Sep 1940–Jan 1941
5-Month 		4.73"
(120.14mm)		 4.41"
(112.01mm)		 0.32"
(8.13mm)		 77th Driest
Driest since:
 1988
52nd Wettest
Wettest since:
 1912
Ties: 1972
Aug 1940–Jan 1941
6-Month 		5.14"
(130.56mm)		 5.76"
(146.30mm)		 -0.62"
(-15.74mm)		 44th Driest
Driest since:
 2002
85th Wettest
Wettest since:
 1912
Jul 1940–Jan 1941
7-Month 		7.31"
(185.67mm)		 7.34"
(186.44mm)		 -0.03"
(-0.77mm)		 69th Driest
Driest since:
 1905
60th Wettest
Wettest since:
 1912
Jun 1940–Jan 1941
8-Month 		9.57"
(243.08mm)		 10.29"
(261.37mm)		 -0.72"
(-18.29mm)		 59th Driest
Driest since:
 1905
70th Wettest
Wettest since:
 1912
May 1940–Jan 1941
9-Month 		10.86"
(275.84mm)		 12.45"
(316.23mm)		 -1.59"
(-40.39mm)		 41st Driest
Driest since:
 1905
88th Wettest
Wettest since:
 1928
Apr 1940–Jan 1941
10-Month 		13.74"
(349.00mm)		 13.56"
(344.42mm)		 0.18"
(4.58mm)		 74th Driest
Driest since:
 1905
55th Wettest
Wettest since:
 1928
Mar 1940–Jan 1941
11-Month 		14.80"
(375.92mm)		 14.37"
(365.00mm)		 0.43"
(10.92mm)		 76th Driest
Driest since:
 1905
53rd Wettest
Wettest since:
 1928
Feb 1940–Jan 1941
12-Month 		16.20"
(411.48mm)		 14.98"
(380.49mm)		 1.22"
(30.99mm)		 86th Driest
Driest since:
 1919
43rd Wettest
Wettest since:
 1928
Aug 1939–Jan 1941
18-Month 		20.13"
(511.30mm)		 20.76"
(527.30mm)		 -0.63"
(-16.00mm)		 57th Driest
Driest since:
 2002
71st Wettest
Wettest since:
 1928
Feb 1939–Jan 1941
24-Month 		28.93"
(734.82mm)		 30.01"
(762.25mm)		 -1.08"
(-27.43mm)		 44th Driest
Driest since:
 1920
84th Wettest
Wettest since:
 1917
Ties: 2007
Feb 1938–Jan 1941
36-Month 		47.83"
(1,214.88mm)		 45.06"
(1,144.52mm)		 2.77"
(70.36mm)		 91st Driest
Driest since:
 1921
36th Wettest
Wettest since:
 1899
Feb 1937–Jan 1941
48-Month 		61.12"
(1,552.45mm)		 60.16"
(1,528.06mm)		 0.96"
(24.39mm)		 69th Driest
Driest since:
 1921
57th Wettest
Wettest since:
 1900
Feb 1936–Jan 1941
60-Month 		72.89"
(1,851.41mm)		 75.31"
(1,912.87mm)		 -2.42"
(-61.46mm)		 41st Driest
Driest since:
 1922
84th Wettest
Wettest since:
 1900
Ties: 1920

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