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


Montana

Precipitation Rankings, September 1949

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1949
1-Month
1.22"
(30.99mm)
1.46"
(37.08mm)
-0.24"
(-6.09mm)
56th Driest Driest since: 1948 2012
70th Wettest Wettest since: 1947 1986
Aug–Sep 1949
2-Month
1.79"
(45.47mm)
2.77"
(70.36mm)
-0.98"
(-24.89mm)
20th Driest Driest since: 1948 2012
106th Wettest Wettest since: 1947 1985
Ties: 1939, 2003
Jul–Sep 1949
3-Month
3.12"
(79.25mm)
4.35"
(110.49mm)
-1.23"
(-31.24mm)
25th Driest Driest since: 1943 2012
101st Wettest Wettest since: 1948 1993
Ties: 1996
Jun–Sep 1949
4-Month
4.91"
(124.71mm)
7.22"
(183.39mm)
-2.31"
(-58.68mm)
14th Driest Driest since: 1936 1919
112th Wettest Wettest since: 1948 1993
May–Sep 1949
5-Month
7.18"
(182.37mm)
9.63"
(244.60mm)
-2.45"
(-62.23mm)
16th Driest Driest since: 1936 1919
110th Wettest Wettest since: 1948 1993
Apr–Sep 1949
6-Month
7.93"
(201.42mm)
11.14"
(282.96mm)
-3.21"
(-81.54mm)
8th Driest Driest since: 1936 1919
118th Wettest Wettest since: 1948 1993
Ties: 1960
Mar–Sep 1949
7-Month
9.11"
(231.39mm)
12.42"
(315.47mm)
-3.31"
(-84.08mm)
8th Driest Driest since: 1936 1919
118th Wettest Wettest since: 1948 1993
Feb–Sep 1949
8-Month
10.74"
(272.80mm)
13.48"
(342.39mm)
-2.74"
(-69.59mm)
11th Driest Driest since: 1936 1919
115th Wettest Wettest since: 1948 1993
Jan–Sep 1949
9-Month
12.12"
(307.85mm)
14.83"
(376.68mm)
-2.71"
(-68.83mm)
11th Driest Driest since: 1936 1919
115th Wettest Wettest since: 1948 1993
Dec 1948–Sep 1949
10-Month
13.59"
(345.19mm)
16.12"
(409.45mm)
-2.53"
(-64.26mm)
15th Driest Driest since: 1939 1919
110th Wettest Wettest since: 1948 1978
Nov 1948–Sep 1949
11-Month
15.16"
(385.06mm)
17.41"
(442.21mm)
-2.25"
(-57.15mm)
25th Driest Driest since: 1939 1919
100th Wettest Wettest since: 1948 1978
Oct 1948–Sep 1949
12-Month
15.43"
(391.92mm)
18.65"
(473.71mm)
-3.22"
(-81.79mm)
12th Driest Driest since: 1937 1919
113th Wettest Wettest since: 1948 1978
Apr 1948–Sep 1949
18-Month
28.89"
(733.81mm)
29.81"
(757.17mm)
-0.92"
(-23.36mm)
37th Driest Driest since: 1940 1919
88th Wettest Wettest since: 1948 2011
Oct 1947–Sep 1949
24-Month
36.98"
(939.29mm)
37.33"
(948.18mm)
-0.35"
(-8.89mm)
53rd Driest Driest since: 1946 1937
71st Wettest Wettest since: 1948 2011
Oct 1946–Sep 1949
36-Month
58.61"
(1,488.69mm)
56.02"
(1,422.91mm)
2.59"
(65.78mm)
83rd Driest Driest since: 1947 1937
40th Wettest Wettest since: 1948 1909
Oct 1945–Sep 1949
48-Month
76.95"
(1,954.53mm)
74.76"
(1,898.90mm)
2.19"
(55.63mm)
76th Driest Driest since: 1947 1937
46th Wettest Wettest since: 1948 1909
Oct 1944–Sep 1949
60-Month
93.04"
(2,363.22mm)
93.48"
(2,374.39mm)
-0.44"
(-11.17mm)
50th Driest Driest since: 1941 1937
71st Wettest Wettest since: 1948 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on March 28, 2020 from https://www.ncdc.noaa.gov/cag/