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 December 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, October 1939

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
October 1939
1-Month
1.09"
(27.69mm)
1.25"
(31.75mm)
-0.16"
(-4.06mm)
46th Driest Driest since: 1936 1987
80th Wettest Wettest since: 1938 2016
Sep–Oct 1939
2-Month
2.12"
(53.85mm)
2.70"
(68.58mm)
-0.58"
(-14.73mm)
30th Driest Driest since: 1936 1904
96th Wettest Wettest since: 1938 2016
Aug–Oct 1939
3-Month
2.88"
(73.15mm)
4.01"
(101.85mm)
-1.13"
(-28.70mm)
17th Driest Driest since: 1935 1904
109th Wettest Wettest since: 1938 1985
Jul–Oct 1939
4-Month
3.69"
(93.73mm)
5.60"
(142.24mm)
-1.91"
(-48.51mm)
8th Driest Driest since: 1917 1904
118th Wettest Wettest since: 1938 1993
Jun–Oct 1939
5-Month
7.74"
(196.60mm)
8.46"
(214.88mm)
-0.72"
(-18.28mm)
46th Driest Driest since: 1936 1904
80th Wettest Wettest since: 1938 1993
May–Oct 1939
6-Month
9.92"
(251.97mm)
10.88"
(276.35mm)
-0.96"
(-24.38mm)
42nd Driest Driest since: 1937 1904
84th Wettest Wettest since: 1938 1993
Apr–Oct 1939
7-Month
10.94"
(277.88mm)
12.39"
(314.71mm)
-1.45"
(-36.83mm)
29th Driest Driest since: 1937 1904
97th Wettest Wettest since: 1938 1993
Mar–Oct 1939
8-Month
11.94"
(303.28mm)
13.66"
(346.96mm)
-1.72"
(-43.68mm)
25th Driest Driest since: 1937 1919
101st Wettest Wettest since: 1938 1975
Feb–Oct 1939
9-Month
12.97"
(329.44mm)
14.72"
(373.89mm)
-1.75"
(-44.45mm)
28th Driest Driest since: 1937 1931
98th Wettest Wettest since: 1938 1975
Jan–Oct 1939
10-Month
13.87"
(352.30mm)
16.07"
(408.18mm)
-2.20"
(-55.88mm)
21st Driest Driest since: 1937 1931
105th Wettest Wettest since: 1938 1975
Dec 1938–Oct 1939
11-Month
14.64"
(371.86mm)
17.36"
(440.94mm)
-2.72"
(-69.08mm)
13th Driest Driest since: 1936 1931
112th Wettest Wettest since: 1938 1975
Nov 1938–Oct 1939
12-Month
16.00"
(406.40mm)
18.65"
(473.71mm)
-2.65"
(-67.31mm)
18th Driest Driest since: 1937 1931
107th Wettest Wettest since: 1938 2011
May 1938–Oct 1939
18-Month
29.11"
(739.39mm)
29.54"
(750.32mm)
-0.43"
(-10.93mm)
48th Driest Driest since: 1937 1931
77th Wettest Wettest since: 1938 2011
Nov 1937–Oct 1939
24-Month
36.72"
(932.69mm)
37.33"
(948.18mm)
-0.61"
(-15.49mm)
48th Driest Driest since: 1938 1936
76th Wettest Wettest since: 1933 1975
Nov 1936–Oct 1939
36-Month
51.98"
(1,320.29mm)
56.01"
(1,422.65mm)
-4.03"
(-102.36mm)
22nd Driest Driest since: 1938 1937
101st Wettest Wettest since: 1934 1898
Nov 1935–Oct 1939
48-Month
65.65"
(1,667.51mm)
74.75"
(1,898.65mm)
-9.10"
(-231.14mm)
7th Driest Driest since: 1938 1937
115th Wettest Wettest since: 1935 1899
Nov 1934–Oct 1939
60-Month
80.09"
(2,034.29mm)
93.47"
(2,374.14mm)
-13.38"
(-339.85mm)
2nd Driest Driest since: 1937 1937
119th Wettest Wettest since: 1938 1911

Citing This Page

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