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 1988

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1988
1-Month 		0.64"
(16.26mm)		 0.79"
(20.07mm)		 -0.15"
(-3.81mm)		 55th Driest
Driest since:
 1944
74th Wettest
Wettest since:
 1971
Ties: 1924
Dec 1987–Jan 1988
2-Month 		1.01"
(25.65mm)		 1.56"
(39.62mm)		 -0.55"
(-13.97mm)		 24th Driest
Driest since:
 1944
104th Wettest
Wettest since:
 1918
Ties: 1945
Nov 1987–Jan 1988
3-Month 		1.15"
(29.21mm)		 2.29"
(58.17mm)		 -1.14"
(-28.96mm)		 7th Driest
Driest since:
 1944
121st Wettest
Wettest since:
 1907
Oct 1987–Jan 1988
4-Month 		1.23"
(31.24mm)		 3.11"
(78.99mm)		 -1.88"
(-47.75mm)		 2nd Driest
Driest since:
 1908
126th Wettest
Wettest since:
 1907
Sep 1987–Jan 1988
5-Month 		1.90"
(48.26mm)		 4.41"
(112.01mm)		 -2.51"
(-63.75mm)		 1st Driest
Driest since:
 1988
127th Wettest
Wettest since:
 1912
Aug 1987–Jan 1988
6-Month 		3.73"
(94.74mm)		 5.76"
(146.30mm)		 -2.03"
(-51.56mm)		 13th Driest
Driest since:
 2002
115th Wettest
Wettest since:
 1912
Jul 1987–Jan 1988
7-Month 		6.76"
(171.70mm)		 7.34"
(186.44mm)		 -0.58"
(-14.74mm)		 55th Driest
Driest since:
 1905
73rd Wettest
Wettest since:
 1912
Jun 1987–Jan 1988
8-Month 		8.39"
(213.11mm)		 10.29"
(261.37mm)		 -1.90"
(-48.26mm)		 28th Driest
Driest since:
 1905
100th Wettest
Wettest since:
 1912
May 1987–Jan 1988
9-Month 		10.30"
(261.62mm)		 12.45"
(316.23mm)		 -2.15"
(-54.61mm)		 30th Driest
Driest since:
 1905
98th Wettest
Wettest since:
 1928
Ties: 1950, 2019
Apr 1987–Jan 1988
10-Month 		10.77"
(273.56mm)		 13.56"
(344.42mm)		 -2.79"
(-70.86mm)		 20th Driest
Driest since:
 1905
108th Wettest
Wettest since:
 1928
Mar 1987–Jan 1988
11-Month 		12.44"
(315.98mm)		 14.37"
(365.00mm)		 -1.93"
(-49.02mm)		 31st Driest
Driest since:
 1905
97th Wettest
Wettest since:
 1928
Feb 1987–Jan 1988
12-Month 		12.86"
(326.64mm)		 14.98"
(380.49mm)		 -2.12"
(-53.85mm)		 28th Driest
Driest since:
 1919
100th Wettest
Wettest since:
 1928
Ties: 1921
Aug 1986–Jan 1988
18-Month 		21.10"
(535.94mm)		 20.76"
(527.30mm)		 0.34"
(8.64mm)		 74th Driest
Driest since:
 2002
53rd Wettest
Wettest since:
 1928
Ties: 1983
Feb 1986–Jan 1988
24-Month 		30.76"
(781.30mm)		 30.01"
(762.25mm)		 0.75"
(19.05mm)		 73rd Driest
Driest since:
 1920
54th Wettest
Wettest since:
 1917
Feb 1985–Jan 1988
36-Month 		47.37"
(1,203.20mm)		 45.06"
(1,144.52mm)		 2.31"
(58.68mm)		 87th Driest
Driest since:
 1921
39th Wettest
Wettest since:
 1899
Feb 1984–Jan 1988
48-Month 		58.16"
(1,477.26mm)		 60.16"
(1,528.06mm)		 -2.00"
(-50.80mm)		 44th Driest
Driest since:
 1921
81st Wettest
Wettest since:
 1900
Ties: 2000
Feb 1983–Jan 1988
60-Month 		71.76"
(1,822.70mm)		 75.31"
(1,912.87mm)		 -3.55"
(-90.17mm)		 34th Driest
Driest since:
 1922
90th Wettest
Wettest since:
 1900

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