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 1997

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 1997
1-Month 		0.60"
(15.24mm)		 0.79"
(20.07mm)		 -0.19"
(-4.83mm)		 51st Driest
Driest since:
 1944
79th Wettest
Wettest since:
 1971
Ties: 1908
Dec 1996–Jan 1997
2-Month 		1.99"
(50.55mm)		 1.56"
(39.62mm)		 0.43"
(10.93mm)		 104th Driest
Driest since:
 1944
25th Wettest
Wettest since:
 1918
Nov 1996–Jan 1997
3-Month 		3.11"
(78.99mm)		 2.29"
(58.17mm)		 0.82"
(20.82mm)		 110th Driest
Driest since:
 1944
19th Wettest
Wettest since:
 1907
Ties: 1925, 1996
Oct 1996–Jan 1997
4-Month 		3.66"
(92.96mm)		 3.11"
(78.99mm)		 0.55"
(13.97mm)		 88th Driest
Driest since:
 1908
41st Wettest
Wettest since:
 1907
Sep 1996–Jan 1997
5-Month 		5.81"
(147.57mm)		 4.41"
(112.01mm)		 1.40"
(35.56mm)		 108th Driest
Driest since:
 1988
21st Wettest
Wettest since:
 1912
Aug 1996–Jan 1997
6-Month 		6.16"
(156.46mm)		 5.76"
(146.30mm)		 0.40"
(10.16mm)		 84th Driest
Driest since:
 2002
45th Wettest
Wettest since:
 1912
Jul 1996–Jan 1997
7-Month 		6.75"
(171.45mm)		 7.34"
(186.44mm)		 -0.59"
(-14.99mm)		 54th Driest
Driest since:
 1905
75th Wettest
Wettest since:
 1912
Jun 1996–Jan 1997
8-Month 		8.97"
(227.84mm)		 10.29"
(261.37mm)		 -1.32"
(-33.53mm)		 46th Driest
Driest since:
 1905
83rd Wettest
Wettest since:
 1912
May 1996–Jan 1997
9-Month 		11.59"
(294.39mm)		 12.45"
(316.23mm)		 -0.86"
(-21.84mm)		 55th Driest
Driest since:
 1905
74th Wettest
Wettest since:
 1928
Apr 1996–Jan 1997
10-Month 		12.46"
(316.48mm)		 13.56"
(344.42mm)		 -1.10"
(-27.94mm)		 53rd Driest
Driest since:
 1905
76th Wettest
Wettest since:
 1928
Mar 1996–Jan 1997
11-Month 		13.63"
(346.20mm)		 14.37"
(365.00mm)		 -0.74"
(-18.80mm)		 60th Driest
Driest since:
 1905
69th Wettest
Wettest since:
 1928
Ties: 2000
Feb 1996–Jan 1997
12-Month 		14.27"
(362.46mm)		 14.98"
(380.49mm)		 -0.71"
(-18.03mm)		 60th Driest
Driest since:
 1919
69th Wettest
Wettest since:
 1928
Aug 1995–Jan 1997
18-Month 		20.93"
(531.62mm)		 20.76"
(527.30mm)		 0.17"
(4.32mm)		 69th Driest
Driest since:
 2002
59th Wettest
Wettest since:
 1928
Feb 1995–Jan 1997
24-Month 		34.19"
(868.43mm)		 30.01"
(762.25mm)		 4.18"
(106.18mm)		 107th Driest
Driest since:
 1920
21st Wettest
Wettest since:
 1917
Feb 1994–Jan 1997
36-Month 		45.31"
(1,150.87mm)		 45.06"
(1,144.52mm)		 0.25"
(6.35mm)		 66th Driest
Driest since:
 1921
61st Wettest
Wettest since:
 1899
Ties: 1904
Feb 1993–Jan 1997
48-Month 		65.42"
(1,661.67mm)		 60.16"
(1,528.06mm)		 5.26"
(133.61mm)		 108th Driest
Driest since:
 1921
18th Wettest
Wettest since:
 1900
Feb 1992–Jan 1997
60-Month 		79.63"
(2,022.60mm)		 75.31"
(1,912.87mm)		 4.32"
(109.73mm)		 97th Driest
Driest since:
 1922
28th Wettest
Wettest since:
 1900

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