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 1951

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1951
1-Month
1.69"
(42.93mm)
1.46"
(37.08mm)
0.23"
(5.85mm)
81st Driest Driest since: 1949 2012
45th Wettest Wettest since: 1950 1986
Aug–Sep 1951
2-Month
4.30"
(109.22mm)
2.77"
(70.36mm)
1.53"
(38.86mm)
113th Driest Driest since: 1950 2012
13th Wettest Wettest since: 1941 1985
Jul–Sep 1951
3-Month
5.78"
(146.81mm)
4.35"
(110.49mm)
1.43"
(36.32mm)
107th Driest Driest since: 1950 2012
19th Wettest Wettest since: 1941 1993
Jun–Sep 1951
4-Month
8.26"
(209.80mm)
7.22"
(183.39mm)
1.04"
(26.41mm)
98th Driest Driest since: 1949 1919
28th Wettest Wettest since: 1950 1993
May–Sep 1951
5-Month
10.12"
(257.05mm)
9.63"
(244.60mm)
0.49"
(12.45mm)
79th Driest Driest since: 1950 1919
47th Wettest Wettest since: 1948 1993
Apr–Sep 1951
6-Month
11.54"
(293.12mm)
11.14"
(282.96mm)
0.40"
(10.16mm)
76th Driest Driest since: 1950 1919
50th Wettest Wettest since: 1948 1993
Mar–Sep 1951
7-Month
12.88"
(327.15mm)
12.42"
(315.47mm)
0.46"
(11.68mm)
75th Driest Driest since: 1949 1919
51st Wettest Wettest since: 1950 1993
Feb–Sep 1951
8-Month
14.20"
(360.68mm)
13.48"
(342.39mm)
0.72"
(18.29mm)
79th Driest Driest since: 1950 1919
47th Wettest Wettest since: 1948 1993
Jan–Sep 1951
9-Month
15.53"
(394.46mm)
14.83"
(376.68mm)
0.70"
(17.78mm)
76th Driest Driest since: 1949 1919
50th Wettest Wettest since: 1950 1993
Dec 1950–Sep 1951
10-Month
16.77"
(425.96mm)
16.12"
(409.45mm)
0.65"
(16.51mm)
75th Driest Driest since: 1949 1919
50th Wettest Wettest since: 1950 1978
Nov 1950–Sep 1951
11-Month
18.37"
(466.60mm)
17.41"
(442.21mm)
0.96"
(24.39mm)
73rd Driest Driest since: 1950 1919
52nd Wettest Wettest since: 1948 1978
Oct 1950–Sep 1951
12-Month
19.78"
(502.41mm)
18.65"
(473.71mm)
1.13"
(28.70mm)
78th Driest Driest since: 1949 1919
47th Wettest Wettest since: 1950 1978
Apr 1950–Sep 1951
18-Month
30.82"
(782.83mm)
29.81"
(757.17mm)
1.01"
(25.66mm)
85th Driest Driest since: 1950 1919
40th Wettest Wettest since: 1948 2011
Ties: 1994
Oct 1949–Sep 1951
24-Month
39.76"
(1,009.90mm)
37.33"
(948.18mm)
2.43"
(61.72mm)
92nd Driest Driest since: 1950 1937
32nd Wettest Wettest since: 1948 2011
Ties: 1964
Oct 1948–Sep 1951
36-Month
55.19"
(1,401.83mm)
56.02"
(1,422.91mm)
-0.83"
(-21.08mm)
44th Driest Driest since: 1946 1937
79th Wettest Wettest since: 1950 1909
Oct 1947–Sep 1951
48-Month
76.74"
(1,949.20mm)
74.76"
(1,898.90mm)
1.98"
(50.30mm)
75th Driest Driest since: 1947 1937
47th Wettest Wettest since: 1950 1909
Oct 1946–Sep 1951
60-Month
98.37"
(2,498.60mm)
93.48"
(2,374.39mm)
4.89"
(124.21mm)
95th Driest Driest since: 1950 1937
26th Wettest Wettest since: 1944 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 16, 2020 from https://www.ncdc.noaa.gov/cag/