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


Montana

Precipitation Rankings, May 1920

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
May 1920
1-Month
2.25"
(57.15mm)
2.42"
(61.47mm)
-0.17"
(-4.32mm)
55th Driest Driest since: 1919 1937
71st Wettest Wettest since: 1917 1927
Ties: 1944, 1988
Apr–May 1920
2-Month
4.70"
(119.38mm)
3.93"
(99.82mm)
0.77"
(19.56mm)
93rd Driest Driest since: 1919 1934
33rd Wettest Wettest since: 1912 2011
Mar–May 1920
3-Month
6.08"
(154.43mm)
5.20"
(132.08mm)
0.88"
(22.35mm)
90th Driest Driest since: 1919 1931
36th Wettest Wettest since: 1912 2011
Feb–May 1920
4-Month
6.97"
(177.04mm)
6.26"
(159.00mm)
0.71"
(18.04mm)
80th Driest Driest since: 1919 1931
46th Wettest Wettest since: 1917 2011
Jan–May 1920
5-Month
8.52"
(216.41mm)
7.61"
(193.29mm)
0.91"
(23.12mm)
89th Driest Driest since: 1919 1931
37th Wettest Wettest since: 1916 2011
Dec 1919–May 1920
6-Month
10.04"
(255.02mm)
8.90"
(226.06mm)
1.14"
(28.96mm)
95th Driest Driest since: 1919 1931
30th Wettest Wettest since: 1918 2011
Nov 1919–May 1920
7-Month
11.48"
(291.59mm)
10.19"
(258.83mm)
1.29"
(32.76mm)
95th Driest Driest since: 1919 1931
30th Wettest Wettest since: 1916 2011
Oct 1919–May 1920
8-Month
13.37"
(339.60mm)
11.44"
(290.58mm)
1.93"
(49.02mm)
107th Driest Driest since: 1919 1931
18th Wettest Wettest since: 1907 2011
Ties: 1965
Sep 1919–May 1920
9-Month
14.39"
(365.51mm)
12.89"
(327.41mm)
1.50"
(38.10mm)
96th Driest Driest since: 1919 1905
29th Wettest Wettest since: 1916 2011
Aug 1919–May 1920
10-Month
15.05"
(382.27mm)
14.22"
(361.19mm)
0.83"
(21.08mm)
78th Driest Driest since: 1919 1905
47th Wettest Wettest since: 1917 2011
Jul 1919–May 1920
11-Month
15.90"
(403.86mm)
15.80"
(401.32mm)
0.10"
(2.54mm)
64th Driest Driest since: 1919 1905
61st Wettest Wettest since: 1917 2011
Jun 1919–May 1920
12-Month
16.73"
(424.94mm)
18.66"
(473.96mm)
-1.93"
(-49.02mm)
25th Driest Driest since: 1919 1905
100th Wettest Wettest since: 1917 2011
Dec 1918–May 1920
18-Month
22.81"
(579.37mm)
27.58"
(700.53mm)
-4.77"
(-121.16mm)
8th Driest Driest since: 1905 1937
116th Wettest Wettest since: 1919 2011
Jun 1918–May 1920
24-Month
32.24"
(818.90mm)
37.34"
(948.44mm)
-5.10"
(-129.54mm)
11th Driest Driest since: 1919 1937
113th Wettest Wettest since: 1918 1917
Jun 1917–May 1920
36-Month
48.56"
(1,233.42mm)
56.01"
(1,422.65mm)
-7.45"
(-189.23mm)
8th Driest Driest to Date 1937
115th Wettest Wettest since: 1919 1917
Jun 1916–May 1920
48-Month
70.60"
(1,793.24mm)
74.74"
(1,898.40mm)
-4.14"
(-105.16mm)
23rd Driest Driest since: 1906 1937
99th Wettest Wettest since: 1919 1899, 1910
Jun 1915–May 1920
60-Month
94.67"
(2,404.62mm)
93.47"
(2,374.14mm)
1.20"
(30.48mm)
62nd Driest Driest since: 1909 1938
59th Wettest Wettest since: 1919 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/