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 1948

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1948
1-Month
0.55"
(13.97mm)
1.46"
(37.08mm)
-0.91"
(-23.11mm)
11th Driest Driest since: 1943 2012
115th Wettest Wettest since: 1947 1986
Ties: 2009
Aug–Sep 1948
2-Month
1.64"
(41.66mm)
2.77"
(70.36mm)
-1.13"
(-28.70mm)
14th Driest Driest since: 1935 2012
112th Wettest Wettest since: 1947 1985
Jul–Sep 1948
3-Month
4.46"
(113.28mm)
4.35"
(110.49mm)
0.11"
(2.79mm)
78th Driest Driest since: 1945 2012
48th Wettest Wettest since: 1947 1993
Jun–Sep 1948
4-Month
9.00"
(228.60mm)
7.22"
(183.39mm)
1.78"
(45.21mm)
109th Driest Driest since: 1946 1919
17th Wettest Wettest since: 1947 1993
May–Sep 1948
5-Month
11.90"
(302.26mm)
9.63"
(244.60mm)
2.27"
(57.66mm)
107th Driest Driest since: 1947 1919
19th Wettest Wettest since: 1944 1993
Apr–Sep 1948
6-Month
13.46"
(341.88mm)
11.14"
(282.96mm)
2.32"
(58.92mm)
105th Driest Driest since: 1947 1919
21st Wettest Wettest since: 1944 1993
Mar–Sep 1948
7-Month
14.67"
(372.62mm)
12.42"
(315.47mm)
2.25"
(57.15mm)
106th Driest Driest since: 1947 1919
20th Wettest Wettest since: 1944 1993
Ties: 1912
Feb–Sep 1948
8-Month
16.02"
(406.91mm)
13.48"
(342.39mm)
2.54"
(64.52mm)
110th Driest Driest since: 1947 1919
16th Wettest Wettest since: 1941 1993
Ties: 1907
Jan–Sep 1948
9-Month
17.55"
(445.77mm)
14.83"
(376.68mm)
2.72"
(69.09mm)
112th Driest Driest since: 1947 1919
14th Wettest Wettest since: 1927 1993
Ties: 2010
Dec 1947–Sep 1948
10-Month
18.44"
(468.38mm)
16.12"
(409.45mm)
2.32"
(58.93mm)
107th Driest Driest since: 1947 1919
18th Wettest Wettest since: 1927 1978
Nov 1947–Sep 1948
11-Month
20.12"
(511.05mm)
17.41"
(442.21mm)
2.71"
(68.84mm)
110th Driest Driest since: 1947 1919
15th Wettest Wettest since: 1927 1978
Oct 1947–Sep 1948
12-Month
21.55"
(547.37mm)
18.65"
(473.71mm)
2.90"
(73.66mm)
109th Driest Driest since: 1946 1919
16th Wettest Wettest since: 1947 1978
Apr 1947–Sep 1948
18-Month
33.06"
(839.72mm)
29.81"
(757.17mm)
3.25"
(82.55mm)
105th Driest Driest since: 1947 1919
20th Wettest Wettest since: 1943 2011
Oct 1946–Sep 1948
24-Month
43.18"
(1,096.77mm)
37.33"
(948.18mm)
5.85"
(148.59mm)
116th Driest Driest since: 1947 1937
8th Wettest Wettest since: 1928 2011
Oct 1945–Sep 1948
36-Month
61.52"
(1,562.61mm)
56.02"
(1,422.91mm)
5.50"
(139.70mm)
112th Driest Driest since: 1947 1937
11th Wettest Wettest since: 1916 1909
Oct 1944–Sep 1948
48-Month
77.61"
(1,971.29mm)
74.76"
(1,898.90mm)
2.85"
(72.39mm)
82nd Driest Driest since: 1947 1937
40th Wettest Wettest since: 1944 1909
Oct 1943–Sep 1948
60-Month
96.86"
(2,460.24mm)
93.48"
(2,374.39mm)
3.38"
(85.85mm)
80th Driest Driest since: 1947 1937
41st Wettest Wettest since: 1944 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/