Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, October 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1899
1-Month
1.86"
(47.24mm)
1.25"
(31.75mm)
0.61"
(15.49mm)
107th Driest Driest since: 1898 1987
19th Wettest Wettest to Date 2016
Sep–Oct 1899
2-Month
2.72"
(69.09mm)
2.70"
(68.58mm)
0.02"
(0.51mm)
65th Driest Driest since: 1897 1904
61st Wettest Wettest since: 1898 2016
Ties: 1929, 2009
Aug–Oct 1899
3-Month
4.36"
(110.74mm)
4.01"
(101.85mm)
0.35"
(8.89mm)
78th Driest Driest since: 1898 1904
48th Wettest Wettest to Date 1985
Jul–Oct 1899
4-Month
5.97"
(151.64mm)
5.60"
(142.24mm)
0.37"
(9.40mm)
77th Driest Driest since: 1898 1904
49th Wettest Wettest to Date 1993
Jun–Oct 1899
5-Month
8.31"
(211.07mm)
8.46"
(214.88mm)
-0.15"
(-3.81mm)
57th Driest Driest since: 1898 1904
69th Wettest Wettest since: 1897 1993
May–Oct 1899
6-Month
11.51"
(292.35mm)
10.88"
(276.35mm)
0.63"
(16.00mm)
80th Driest Driest since: 1897 1904
46th Wettest Wettest since: 1898 1993
Apr–Oct 1899
7-Month
12.87"
(326.90mm)
12.39"
(314.71mm)
0.48"
(12.19mm)
71st Driest Driest since: 1897 1904
55th Wettest Wettest since: 1898 1993
Mar–Oct 1899
8-Month
14.42"
(366.27mm)
13.66"
(346.96mm)
0.76"
(19.31mm)
78th Driest Driest since: 1897 1919
48th Wettest Wettest since: 1898 1975
Feb–Oct 1899
9-Month
16.11"
(409.19mm)
14.72"
(373.89mm)
1.39"
(35.30mm)
88th Driest Driest since: 1897 1931
38th Wettest Wettest since: 1898 1975
Jan–Oct 1899
10-Month
18.22"
(462.79mm)
16.07"
(408.18mm)
2.15"
(54.61mm)
104th Driest Driest since: 1898 1931
22nd Wettest Wettest to Date 1975
Dec 1898–Oct 1899
11-Month
18.88"
(479.55mm)
17.36"
(440.94mm)
1.52"
(38.61mm)
87th Driest Driest since: 1897 1931
38th Wettest Wettest since: 1898 1975
Nov 1898–Oct 1899
12-Month
20.28"
(515.11mm)
18.65"
(473.71mm)
1.63"
(41.40mm)
88th Driest Driest to Date 1931
37th Wettest Wettest since: 1898 2011
May 1898–Oct 1899
18-Month
31.99"
(812.55mm)
29.54"
(750.32mm)
2.45"
(62.23mm)
95th Driest Driest since: 1897 1931
30th Wettest Wettest since: 1898 2011
Nov 1897–Oct 1899
24-Month
43.56"
(1,106.42mm)
37.33"
(948.18mm)
6.23"
(158.24mm)
118th Driest Driest since: 1897 1936
6th Wettest Wettest since: 1898 1975
Nov 1896–Oct 1899
36-Month
64.11"
(1,628.39mm)
56.01"
(1,422.65mm)
8.10"
(205.74mm)
120th Driest Driest to Date 1937
3rd Wettest Wettest since: 1898 1898
Nov 1895–Oct 1899
48-Month
84.98"
(2,158.49mm)
74.75"
(1,898.65mm)
10.23"
(259.84mm)
121st Driest Driest to Date 1937
1st Wettest Wettest to Date 1899

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 18, 2020 from https://www.ncdc.noaa.gov/cag/