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 1918

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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 1918
1-Month 		1.37"
(34.80mm)		 0.79"
(20.07mm)		 0.58"
(14.73mm)		 114th Driest
Driest since:
 1944
15th Wettest
Wettest since:
 1971
Dec 1917–Jan 1918
2-Month 		3.88"
(98.55mm)		 1.56"
(39.62mm)		 2.32"
(58.93mm)		 127th Driest
Driest since:
 1944
1st Wettest
Wettest to Date
 1918
Nov 1917–Jan 1918
3-Month 		3.91"
(99.31mm)		 2.29"
(58.17mm)		 1.62"
(41.14mm)		 123rd Driest
Driest since:
 1944
5th Wettest
Wettest since:
 1907
Oct 1917–Jan 1918
4-Month 		4.40"
(111.76mm)		 3.11"
(78.99mm)		 1.29"
(32.77mm)		 117th Driest
Driest since:
 1908
11th Wettest
Wettest since:
 1907
Ties: 1934
Sep 1917–Jan 1918
5-Month 		6.54"
(166.12mm)		 4.41"
(112.01mm)		 2.13"
(54.11mm)		 120th Driest
Driest since:
 1988
8th Wettest
Wettest since:
 1912
Aug 1917–Jan 1918
6-Month 		7.25"
(184.15mm)		 5.76"
(146.30mm)		 1.49"
(37.85mm)		 106th Driest
Driest since:
 2002
22nd Wettest
Wettest since:
 1912
Jul 1917–Jan 1918
7-Month 		7.56"
(192.02mm)		 7.34"
(186.44mm)		 0.22"
(5.58mm)		 78th Driest
Driest since:
 1905
50th Wettest
Wettest since:
 1912
Ties: 1896
Jun 1917–Jan 1918
8-Month 		9.28"
(235.71mm)		 10.29"
(261.37mm)		 -1.01"
(-25.66mm)		 53rd Driest
Driest since:
 1905
75th Wettest
Wettest since:
 1912
May 1917–Jan 1918
9-Month 		10.83"
(275.08mm)		 12.45"
(316.23mm)		 -1.62"
(-41.15mm)		 39th Driest
Driest since:
 1905
89th Wettest
Wettest since:
 1928
Apr 1917–Jan 1918
10-Month 		12.23"
(310.64mm)		 13.56"
(344.42mm)		 -1.33"
(-33.78mm)		 46th Driest
Driest since:
 1905
82nd Wettest
Wettest since:
 1928
Mar 1917–Jan 1918
11-Month 		12.84"
(326.14mm)		 14.37"
(365.00mm)		 -1.53"
(-38.86mm)		 41st Driest
Driest since:
 1905
87th Wettest
Wettest since:
 1928
Feb 1917–Jan 1918
12-Month 		13.84"
(351.54mm)		 14.98"
(380.49mm)		 -1.14"
(-28.95mm)		 49th Driest
Driest since:
 1919
79th Wettest
Wettest since:
 1928
Aug 1916–Jan 1918
18-Month 		20.57"
(522.48mm)		 20.76"
(527.30mm)		 -0.19"
(-4.82mm)		 61st Driest
Driest since:
 2002
66th Wettest
Wettest since:
 1928
Ties: 1977
Feb 1916–Jan 1918
24-Month 		33.50"
(850.90mm)		 30.01"
(762.25mm)		 3.49"
(88.65mm)		 101st Driest
Driest since:
 1920
26th Wettest
Wettest since:
 1917
Feb 1915–Jan 1918
36-Month 		52.17"
(1,325.12mm)		 45.06"
(1,144.52mm)		 7.11"
(180.60mm)		 118th Driest
Driest since:
 1921
8th Wettest
Wettest since:
 1899
Feb 1914–Jan 1918
48-Month 		67.18"
(1,706.37mm)		 60.16"
(1,528.06mm)		 7.02"
(178.31mm)		 115th Driest
Driest since:
 1921
10th Wettest
Wettest since:
 1900
Feb 1913–Jan 1918
60-Month 		80.13"
(2,035.30mm)		 75.31"
(1,912.87mm)		 4.82"
(122.43mm)		 97th Driest
Driest since:
 1922
27th Wettest
Wettest since:
 1900

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