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


Montana

Precipitation Rankings, September 1938

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1938
1-Month
1.03"
(26.16mm)
1.46"
(37.08mm)
-0.43"
(-10.92mm)
39th Driest Driest since: 1936 2012
87th Wettest Wettest since: 1937 1986
Ties: 1939, 1993
Aug–Sep 1938
2-Month
1.92"
(48.77mm)
2.77"
(70.36mm)
-0.85"
(-21.59mm)
29th Driest Driest since: 1935 2012
97th Wettest Wettest since: 1937 1985
Ties: 2000
Jul–Sep 1938
3-Month
4.17"
(105.92mm)
4.35"
(110.49mm)
-0.18"
(-4.57mm)
68th Driest Driest since: 1937 2012
58th Wettest Wettest since: 1931 1993
Jun–Sep 1938
4-Month
7.51"
(190.75mm)
7.22"
(183.39mm)
0.29"
(7.36mm)
77th Driest Driest since: 1937 1919
49th Wettest Wettest since: 1928 1993
Ties: 1987
May–Sep 1938
5-Month
10.99"
(279.15mm)
9.63"
(244.60mm)
1.36"
(34.55mm)
97th Driest Driest since: 1937 1919
29th Wettest Wettest since: 1927 1993
Apr–Sep 1938
6-Month
11.91"
(302.51mm)
11.14"
(282.96mm)
0.77"
(19.55mm)
86th Driest Driest since: 1937 1919
40th Wettest Wettest since: 1927 1993
Mar–Sep 1938
7-Month
13.82"
(351.03mm)
12.42"
(315.47mm)
1.40"
(35.56mm)
92nd Driest Driest since: 1937 1919
34th Wettest Wettest since: 1927 1993
Feb–Sep 1938
8-Month
14.91"
(378.71mm)
13.48"
(342.39mm)
1.43"
(36.32mm)
94th Driest Driest since: 1937 1919
32nd Wettest Wettest since: 1927 1993
Jan–Sep 1938
9-Month
15.79"
(401.07mm)
14.83"
(376.68mm)
0.96"
(24.39mm)
82nd Driest Driest since: 1937 1919
44th Wettest Wettest since: 1927 1993
Dec 1937–Sep 1938
10-Month
17.50"
(444.50mm)
16.12"
(409.45mm)
1.38"
(35.05mm)
89th Driest Driest since: 1937 1919
36th Wettest Wettest since: 1927 1978
Nov 1937–Sep 1938
11-Month
18.60"
(472.44mm)
17.41"
(442.21mm)
1.19"
(30.23mm)
80th Driest Driest since: 1937 1919
45th Wettest Wettest since: 1928 1978
Oct 1937–Sep 1938
12-Month
19.74"
(501.40mm)
18.65"
(473.71mm)
1.09"
(27.69mm)
76th Driest Driest since: 1937 1919
49th Wettest Wettest since: 1928 1978
Apr 1937–Sep 1938
18-Month
28.47"
(723.14mm)
29.81"
(757.17mm)
-1.34"
(-34.03mm)
34th Driest Driest since: 1937 1919
91st Wettest Wettest since: 1933 2011
Oct 1936–Sep 1938
24-Month
34.64"
(879.86mm)
37.33"
(948.18mm)
-2.69"
(-68.32mm)
23rd Driest Driest since: 1937 1937
101st Wettest Wettest since: 1933 2011
Oct 1935–Sep 1938
36-Month
48.52"
(1,232.41mm)
56.02"
(1,422.91mm)
-7.50"
(-190.50mm)
6th Driest Driest since: 1937 1937
117th Wettest Wettest since: 1935 1909
Oct 1934–Sep 1938
48-Month
63.58"
(1,614.93mm)
74.76"
(1,898.90mm)
-11.18"
(-283.97mm)
3rd Driest Driest since: 1937 1937
119th Wettest Wettest since: 1935 1909
Oct 1933–Sep 1938
60-Month
79.95"
(2,030.73mm)
93.48"
(2,374.39mm)
-13.53"
(-343.66mm)
2nd Driest Driest since: 1937 1937
119th Wettest Wettest since: 1936 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 15, 2020 from https://www.ncdc.noaa.gov/cag/