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 March 2020. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, September 1941

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1941
1-Month
3.40"
(86.36mm)
1.46"
(37.08mm)
1.94"
(49.28mm)
123rd Driest Driest since: 1940 2012
3rd Wettest Wettest to Date 1986
Aug–Sep 1941
2-Month
5.23"
(132.84mm)
2.77"
(70.36mm)
2.46"
(62.48mm)
123rd Driest Driest since: 1940 2012
3rd Wettest Wettest to Date 1985
Jul–Sep 1941
3-Month
6.70"
(170.18mm)
4.35"
(110.49mm)
2.35"
(59.69mm)
120th Driest Driest since: 1940 2012
6th Wettest Wettest since: 1915 1993
Ties: 1985
Jun–Sep 1941
4-Month
10.48"
(266.19mm)
7.22"
(183.39mm)
3.26"
(82.80mm)
122nd Driest Driest since: 1940 1919
4th Wettest Wettest since: 1923 1993
May–Sep 1941
5-Month
12.91"
(327.91mm)
9.63"
(244.60mm)
3.28"
(83.31mm)
119th Driest Driest since: 1940 1919
7th Wettest Wettest since: 1927 1993
Apr–Sep 1941
6-Month
14.78"
(375.41mm)
11.14"
(282.96mm)
3.64"
(92.45mm)
119th Driest Driest since: 1940 1919
7th Wettest Wettest since: 1927 1993
Mar–Sep 1941
7-Month
15.49"
(393.45mm)
12.42"
(315.47mm)
3.07"
(77.98mm)
117th Driest Driest since: 1940 1919
9th Wettest Wettest since: 1927 1993
Feb–Sep 1941
8-Month
16.06"
(407.92mm)
13.48"
(342.39mm)
2.58"
(65.53mm)
111th Driest Driest since: 1940 1919
15th Wettest Wettest since: 1927 1993
Jan–Sep 1941
9-Month
16.63"
(422.40mm)
14.83"
(376.68mm)
1.80"
(45.72mm)
98th Driest Driest since: 1940 1919
28th Wettest Wettest since: 1927 1993
Dec 1940–Sep 1941
10-Month
17.23"
(437.64mm)
16.12"
(409.45mm)
1.11"
(28.19mm)
81st Driest Driest since: 1940 1919
44th Wettest Wettest since: 1938 1978
Ties: 1906
Nov 1940–Sep 1941
11-Month
18.72"
(475.49mm)
17.41"
(442.21mm)
1.31"
(33.28mm)
85th Driest Driest since: 1940 1919
40th Wettest Wettest since: 1928 1978
Oct 1940–Sep 1941
12-Month
20.37"
(517.40mm)
18.65"
(473.71mm)
1.72"
(43.69mm)
89th Driest Driest since: 1940 1919
36th Wettest Wettest since: 1928 1978
Apr 1940–Sep 1941
18-Month
31.24"
(793.50mm)
29.81"
(757.17mm)
1.43"
(36.33mm)
90th Driest Driest since: 1940 1919
35th Wettest Wettest since: 1928 2011
Oct 1939–Sep 1941
24-Month
38.35"
(974.09mm)
37.33"
(948.18mm)
1.02"
(25.91mm)
75th Driest Driest since: 1940 1937
49th Wettest Wettest since: 1928 2011
Oct 1938–Sep 1941
36-Month
55.38"
(1,406.65mm)
56.02"
(1,422.91mm)
-0.64"
(-16.26mm)
47th Driest Driest since: 1940 1937
76th Wettest Wettest since: 1929 1909
Oct 1937–Sep 1941
48-Month
75.12"
(1,908.05mm)
74.76"
(1,898.90mm)
0.36"
(9.15mm)
53rd Driest Driest since: 1940 1937
69th Wettest Wettest since: 1930 1909
Oct 1936–Sep 1941
60-Month
90.02"
(2,286.51mm)
93.48"
(2,374.39mm)
-3.46"
(-87.88mm)
31st Driest Driest since: 1940 1937
90th Wettest Wettest since: 1930 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2020, retrieved on April 9, 2020 from https://www.ncdc.noaa.gov/cag/