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 1922

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1922
1-Month 		0.57"
(14.48mm)		 0.79"
(20.07mm)		 -0.22"
(-5.59mm)		 45th Driest
Driest since:
 1944
84th Wettest
Wettest since:
 1971
Dec 1921–Jan 1922
2-Month 		1.61"
(40.89mm)		 1.56"
(39.62mm)		 0.05"
(1.27mm)		 82nd Driest
Driest since:
 1944
46th Wettest
Wettest since:
 1918
Ties: 1924, 1966
Nov 1921–Jan 1922
3-Month 		3.01"
(76.45mm)		 2.29"
(58.17mm)		 0.72"
(18.28mm)		 103rd Driest
Driest since:
 1944
25th Wettest
Wettest since:
 1907
Oct 1921–Jan 1922
4-Month 		3.15"
(80.01mm)		 3.11"
(78.99mm)		 0.04"
(1.02mm)		 65th Driest
Driest since:
 1908
63rd Wettest
Wettest since:
 1907
Sep 1921–Jan 1922
5-Month 		4.44"
(112.78mm)		 4.41"
(112.01mm)		 0.03"
(0.77mm)		 63rd Driest
Driest since:
 1988
65th Wettest
Wettest since:
 1912
Aug 1921–Jan 1922
6-Month 		4.89"
(124.21mm)		 5.76"
(146.30mm)		 -0.87"
(-22.09mm)		 34th Driest
Driest since:
 2002
94th Wettest
Wettest since:
 1912
Jul 1921–Jan 1922
7-Month 		7.19"
(182.63mm)		 7.34"
(186.44mm)		 -0.15"
(-3.81mm)		 65th Driest
Driest since:
 1905
63rd Wettest
Wettest since:
 1912
Jun 1921–Jan 1922
8-Month 		9.72"
(246.89mm)		 10.29"
(261.37mm)		 -0.57"
(-14.48mm)		 62nd Driest
Driest since:
 1905
66th Wettest
Wettest since:
 1912
May 1921–Jan 1922
9-Month 		11.99"
(304.55mm)		 12.45"
(316.23mm)		 -0.46"
(-11.68mm)		 61st Driest
Driest since:
 1905
67th Wettest
Wettest since:
 1928
Apr 1921–Jan 1922
10-Month 		13.08"
(332.23mm)		 13.56"
(344.42mm)		 -0.48"
(-12.19mm)		 60th Driest
Driest since:
 1905
68th Wettest
Wettest since:
 1928
Mar 1921–Jan 1922
11-Month 		14.62"
(371.35mm)		 14.37"
(365.00mm)		 0.25"
(6.35mm)		 70th Driest
Driest since:
 1905
58th Wettest
Wettest since:
 1928
Feb 1921–Jan 1922
12-Month 		14.98"
(380.49mm)		 14.98"
(380.49mm)		 0.00"
(0.00mm)		 69th Driest
Driest since:
 1919
59th Wettest
Wettest since:
 1928
Aug 1920–Jan 1922
18-Month 		18.48"
(469.39mm)		 20.76"
(527.30mm)		 -2.28"
(-57.91mm)		 23rd Driest
Driest since:
 2002
104th Wettest
Wettest since:
 1928
Ties: 1981
Feb 1920–Jan 1922
24-Month 		27.84"
(707.14mm)		 30.01"
(762.25mm)		 -2.17"
(-55.11mm)		 33rd Driest
Driest since:
 1920
94th Wettest
Wettest since:
 1917
Feb 1919–Jan 1922
36-Month 		38.98"
(990.09mm)		 45.06"
(1,144.52mm)		 -6.08"
(-154.43mm)		 12th Driest
Driest since:
 1921
114th Wettest
Wettest since:
 1899
Feb 1918–Jan 1922
48-Month 		48.56"
(1,233.42mm)		 60.16"
(1,528.06mm)		 -11.60"
(-294.64mm)		 2nd Driest
Driest since:
 1921
123rd Wettest
Wettest since:
 1900
Feb 1917–Jan 1922
60-Month 		62.40"
(1,584.96mm)		 75.31"
(1,912.87mm)		 -12.91"
(-327.91mm)		 1st Driest
Driest since:
 1922
123rd Wettest
Wettest since:
 1900

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