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, February 2018

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
February 2018
1-Month		1.69"
(42.93mm)		0.61"
(15.49mm)		1.08"
(27.44mm)		129th Driest
Driest since:
1931
1st Wettest
Wettest to Date
2018
Jan–Feb 2018
2-Month		2.21"
(56.13mm)		1.41"
(35.81mm)		0.80"
(20.32mm)		118th Driest
Driest since:
1931
12th Wettest
Wettest since:
1895
Ties: 1899
Dec 2017–Feb 2018
3-Month		3.56"
(90.42mm)		2.18"
(55.37mm)		1.38"
(35.05mm)		122nd Driest
Driest since:
1931
7th Wettest
Wettest since:
1907
Nov 2017–Feb 2018
4-Month		4.44"
(112.78mm)		2.90"
(73.66mm)		1.54"
(39.12mm)		121st Driest
Driest since:
1944
8th Wettest
Wettest since:
1907
Oct 2017–Feb 2018
5-Month		5.84"
(148.34mm)		3.72"
(94.49mm)		2.12"
(53.85mm)		124th Driest
Driest since:
1908
5th Wettest
Wettest since:
1907
Sep 2017–Feb 2018
6-Month		7.02"
(178.31mm)		5.02"
(127.51mm)		2.00"
(50.80mm)		118th Driest
Driest since:
1988
11th Wettest
Wettest since:
1912
Aug 2017–Feb 2018
7-Month		7.19"
(182.63mm)		6.37"
(161.80mm)		0.82"
(20.83mm)		97th Driest
Driest since:
1905
32nd Wettest
Wettest since:
1986
Jul 2017–Feb 2018
8-Month		7.49"
(190.25mm)		7.96"
(202.18mm)		-0.47"
(-11.93mm)		60th Driest
Driest since:
1905
69th Wettest
Wettest since:
1994
Ties: 1973
Jun 2017–Feb 2018
9-Month		9.14"
(232.16mm)		10.90"
(276.86mm)		-1.76"
(-44.70mm)		30th Driest
Driest since:
1905
99th Wettest
Wettest since:
1994
Ties: 1902
May 2017–Feb 2018
10-Month		10.39"
(263.91mm)		13.06"
(331.72mm)		-2.67"
(-67.81mm)		23rd Driest
Driest since:
1905
106th Wettest
Wettest since:
1928
Apr 2017–Feb 2018
11-Month		12.08"
(306.83mm)		14.17"
(359.92mm)		-2.09"
(-53.09mm)		29th Driest
Driest since:
1905
100th Wettest
Wettest since:
1928
Mar 2017–Feb 2018
12-Month		12.94"
(328.68mm)		14.98"
(380.49mm)		-2.04"
(-51.81mm)		28th Driest
Driest since:
1905
101st Wettest
Wettest since:
1976
Sep 2016–Feb 2018
18-Month		21.41"
(543.81mm)		20.01"
(508.25mm)		1.40"
(35.56mm)		88th Driest
Driest since:
1905
40th Wettest
Wettest since:
1928
Mar 2016–Feb 2018
24-Month		33.88"
(860.55mm)		30.01"
(762.25mm)		3.87"
(98.30mm)		103rd Driest
Driest since:
1906
25th Wettest
Wettest since:
1917
Mar 2015–Feb 2018
36-Month		46.93"
(1,192.02mm)		45.06"
(1,144.52mm)		1.87"
(47.50mm)		82nd Driest
Driest since:
1921
45th Wettest
Wettest since:
1899
Mar 2014–Feb 2018
48-Month		64.34"
(1,634.24mm)		60.14"
(1,527.56mm)		4.20"
(106.68mm)		101st Driest
Driest since:
1921
25th Wettest
Wettest since:
1900
Mar 2013–Feb 2018
60-Month		82.23"
(2,088.64mm)		75.29"
(1,912.37mm)		6.94"
(176.27mm)		112th Driest
Driest since:
1922
13th Wettest
Wettest since:
1900
Ties: 1916

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