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


Montana

Precipitation Rankings, September 1897

View Period (Months):All1234567891011121824
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1897
1-Month
1.12"
(28.45mm)
1.46"
(37.08mm)
-0.34"
(-8.63mm)
49th Driest Driest to Date 2012
77th Wettest Wettest since: 1896 1986
Aug–Sep 1897
2-Month
1.51"
(38.35mm)
2.77"
(70.36mm)
-1.26"
(-32.01mm)
10th Driest Driest to Date 2012
116th Wettest Wettest since: 1896 1985
Jul–Sep 1897
3-Month
3.15"
(80.01mm)
4.35"
(110.49mm)
-1.20"
(-30.48mm)
29th Driest Driest to Date 2012
97th Wettest Wettest since: 1896 1993
Jun–Sep 1897
4-Month
7.30"
(185.42mm)
7.22"
(183.39mm)
0.08"
(2.03mm)
68th Driest Driest since: 1896 1919
58th Wettest Wettest to Date 1993
Ties: 1969
May–Sep 1897
5-Month
8.50"
(215.90mm)
9.63"
(244.60mm)
-1.13"
(-28.70mm)
37th Driest Driest since: 1895 1919
89th Wettest Wettest since: 1896 1993
Ties: 1996
Apr–Sep 1897
6-Month
9.72"
(246.89mm)
11.14"
(282.96mm)
-1.42"
(-36.07mm)
29th Driest Driest since: 1895 1919
97th Wettest Wettest since: 1896 1993
Mar–Sep 1897
7-Month
11.51"
(292.35mm)
12.42"
(315.47mm)
-0.91"
(-23.12mm)
42nd Driest Driest since: 1895 1919
84th Wettest Wettest since: 1896 1993
Feb–Sep 1897
8-Month
13.27"
(337.06mm)
13.48"
(342.39mm)
-0.21"
(-5.33mm)
55th Driest Driest since: 1895 1919
71st Wettest Wettest since: 1896 1993
Jan–Sep 1897
9-Month
14.59"
(370.59mm)
14.83"
(376.68mm)
-0.24"
(-6.09mm)
57th Driest Driest since: 1895 1919
69th Wettest Wettest since: 1896 1993
Dec 1896–Sep 1897
10-Month
15.28"
(388.11mm)
16.12"
(409.45mm)
-0.84"
(-21.34mm)
46th Driest Driest to Date 1919
79th Wettest Wettest since: 1896 1978
Ties: 1930
Nov 1896–Sep 1897
11-Month
19.02"
(483.11mm)
17.41"
(442.21mm)
1.61"
(40.90mm)
91st Driest Driest to Date 1919
34th Wettest Wettest since: 1896 1978
Oct 1896–Sep 1897
12-Month
19.69"
(500.13mm)
18.65"
(473.71mm)
1.04"
(26.42mm)
75th Driest Driest to Date 1919
50th Wettest Wettest since: 1896 1978
Apr 1896–Sep 1897
18-Month
32.01"
(813.05mm)
29.81"
(757.17mm)
2.20"
(55.88mm)
97th Driest Driest since: 1896 1919
28th Wettest Wettest to Date 2011
Oct 1895–Sep 1897
24-Month
40.52"
(1,029.21mm)
37.33"
(948.18mm)
3.19"
(81.03mm)
103rd Driest Driest to Date 1937
21st Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 26, 2020 from https://www.ncdc.noaa.gov/cag/