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 1917

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1917
1-Month 		0.78"
(19.81mm)		 0.79"
(20.07mm)		 -0.01"
(-0.26mm)		 79th Driest
Driest since:
 1944
50th Wettest
Wettest since:
 1971
Ties: 1984
Dec 1916–Jan 1917
2-Month 		1.95"
(49.53mm)		 1.56"
(39.62mm)		 0.39"
(9.91mm)		 98th Driest
Driest since:
 1944
30th Wettest
Wettest since:
 1918
Nov 1916–Jan 1917
3-Month 		2.58"
(65.53mm)		 2.29"
(58.17mm)		 0.29"
(7.36mm)		 85th Driest
Driest since:
 1944
43rd Wettest
Wettest since:
 1907
Oct 1916–Jan 1917
4-Month 		3.69"
(93.73mm)		 3.11"
(78.99mm)		 0.58"
(14.74mm)		 89th Driest
Driest since:
 1908
39th Wettest
Wettest since:
 1907
Sep 1916–Jan 1917
5-Month 		5.63"
(143.00mm)		 4.41"
(112.01mm)		 1.22"
(30.99mm)		 105th Driest
Driest since:
 1988
23rd Wettest
Wettest since:
 1912
Aug 1916–Jan 1917
6-Month 		6.73"
(170.94mm)		 5.76"
(146.30mm)		 0.97"
(24.64mm)		 99th Driest
Driest since:
 2002
29th Wettest
Wettest since:
 1912
Jul 1916–Jan 1917
7-Month 		9.79"
(248.67mm)		 7.34"
(186.44mm)		 2.45"
(62.23mm)		 114th Driest
Driest since:
 1905
14th Wettest
Wettest since:
 1912
Ties: 2011
Jun 1916–Jan 1917
8-Month 		14.43"
(366.52mm)		 10.29"
(261.37mm)		 4.14"
(105.15mm)		 121st Driest
Driest since:
 1905
7th Wettest
Wettest since:
 1912
May 1916–Jan 1917
9-Month 		17.37"
(441.20mm)		 12.45"
(316.23mm)		 4.92"
(124.97mm)		 122nd Driest
Driest since:
 1905
6th Wettest
Wettest since:
 1928
Apr 1916–Jan 1917
10-Month 		18.00"
(457.20mm)		 13.56"
(344.42mm)		 4.44"
(112.78mm)		 116th Driest
Driest since:
 1905
12th Wettest
Wettest since:
 1928
Mar 1916–Jan 1917
11-Month 		18.68"
(474.47mm)		 14.37"
(365.00mm)		 4.31"
(109.47mm)		 115th Driest
Driest since:
 1905
13th Wettest
Wettest since:
 1928
Feb 1916–Jan 1917
12-Month 		19.66"
(499.36mm)		 14.98"
(380.49mm)		 4.68"
(118.87mm)		 118th Driest
Driest since:
 1919
10th Wettest
Wettest since:
 1928
Aug 1915–Jan 1917
18-Month 		26.40"
(670.56mm)		 20.76"
(527.30mm)		 5.64"
(143.26mm)		 121st Driest
Driest since:
 2002
6th Wettest
Wettest since:
 1928
Feb 1915–Jan 1917
24-Month 		38.33"
(973.58mm)		 30.01"
(762.25mm)		 8.32"
(211.33mm)		 126th Driest
Driest since:
 1920
1st Wettest
Wettest to Date
 1917
Feb 1914–Jan 1917
36-Month 		53.34"
(1,354.84mm)		 45.06"
(1,144.52mm)		 8.28"
(210.32mm)		 123rd Driest
Driest since:
 1921
3rd Wettest
Wettest since:
 1899
Feb 1913–Jan 1917
48-Month 		66.29"
(1,683.77mm)		 60.16"
(1,528.06mm)		 6.13"
(155.71mm)		 113th Driest
Driest since:
 1921
12th Wettest
Wettest since:
 1900
Feb 1912–Jan 1917
60-Month 		81.25"
(2,063.75mm)		 75.31"
(1,912.87mm)		 5.94"
(150.88mm)		 105th Driest
Driest since:
 1922
19th Wettest
Wettest since:
 1900
Ties: 1980

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