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 1985

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1985
1-Month
3.09"
(78.49mm)
1.46"
(37.08mm)
1.63"
(41.41mm)
121st Driest Driest since: 1984 2012
5th Wettest Wettest since: 1978 1986
Aug–Sep 1985
2-Month
5.82"
(147.83mm)
2.77"
(70.36mm)
3.05"
(77.47mm)
125th Driest Driest since: 1984 2012
1st Wettest Wettest to Date 1985
Jul–Sep 1985
3-Month
6.70"
(170.18mm)
4.35"
(110.49mm)
2.35"
(59.69mm)
120th Driest Driest since: 1984 2012
6th Wettest Wettest since: 1978 1993
Ties: 1941
Jun–Sep 1985
4-Month
7.82"
(198.63mm)
7.22"
(183.39mm)
0.60"
(15.24mm)
84th Driest Driest since: 1984 1919
42nd Wettest Wettest since: 1982 1993
May–Sep 1985
5-Month
9.85"
(250.19mm)
9.63"
(244.60mm)
0.22"
(5.59mm)
71st Driest Driest since: 1984 1919
55th Wettest Wettest since: 1982 1993
Apr–Sep 1985
6-Month
10.95"
(278.13mm)
11.14"
(282.96mm)
-0.19"
(-4.83mm)
55th Driest Driest since: 1984 1919
71st Wettest Wettest since: 1982 1993
Ties: 1967, 2007
Mar–Sep 1985
7-Month
12.31"
(312.67mm)
12.42"
(315.47mm)
-0.11"
(-2.80mm)
57th Driest Driest since: 1984 1919
69th Wettest Wettest since: 1982 1993
Feb–Sep 1985
8-Month
13.08"
(332.23mm)
13.48"
(342.39mm)
-0.40"
(-10.16mm)
53rd Driest Driest since: 1984 1919
73rd Wettest Wettest since: 1982 1993
Jan–Sep 1985
9-Month
13.50"
(342.90mm)
14.83"
(376.68mm)
-1.33"
(-33.78mm)
33rd Driest Driest since: 1984 1919
93rd Wettest Wettest since: 1983 1993
Ties: 1983
Dec 1984–Sep 1985
10-Month
14.93"
(379.22mm)
16.12"
(409.45mm)
-1.19"
(-30.23mm)
39th Driest Driest since: 1984 1919
86th Wettest Wettest since: 1983 1978
Nov 1984–Sep 1985
11-Month
16.09"
(408.69mm)
17.41"
(442.21mm)
-1.32"
(-33.52mm)
37th Driest Driest since: 1984 1919
88th Wettest Wettest since: 1982 1978
Oct 1984–Sep 1985
12-Month
17.33"
(440.18mm)
18.65"
(473.71mm)
-1.32"
(-33.53mm)
35th Driest Driest since: 1984 1919
90th Wettest Wettest since: 1983 1978
Ties: 1987
Apr 1984–Sep 1985
18-Month
26.96"
(684.78mm)
29.81"
(757.17mm)
-2.85"
(-72.39mm)
21st Driest Driest since: 1984 1919
104th Wettest Wettest since: 1983 2011
Ties: 2003
Oct 1983–Sep 1985
24-Month
33.84"
(859.54mm)
37.33"
(948.18mm)
-3.49"
(-88.64mm)
18th Driest Driest since: 1980 1937
106th Wettest Wettest since: 1984 2011
Oct 1982–Sep 1985
36-Month
51.32"
(1,303.53mm)
56.02"
(1,422.91mm)
-4.70"
(-119.38mm)
20th Driest Driest since: 1962 1937
103rd Wettest Wettest since: 1984 1909
Oct 1981–Sep 1985
48-Month
73.65"
(1,870.71mm)
74.76"
(1,898.90mm)
-1.11"
(-28.19mm)
42nd Driest Driest since: 1980 1937
80th Wettest Wettest since: 1984 1909
Oct 1980–Sep 1985
60-Month
92.62"
(2,352.55mm)
93.48"
(2,374.39mm)
-0.86"
(-21.84mm)
48th Driest Driest since: 1983 1937
73rd Wettest Wettest since: 1984 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on April 3, 2020 from https://www.ncdc.noaa.gov/cag/