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 1902

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1902
1-Month
3.74"
(95.00mm)
2.42"
(61.47mm)
1.32"
(33.53mm)
111th Driest Driest since: 1901 1937
15th Wettest Wettest since: 1896 1927
Apr–May 1902
2-Month
5.11"
(129.79mm)
3.93"
(99.82mm)
1.18"
(29.97mm)
105th Driest Driest since: 1901 1934
21st Wettest Wettest since: 1896 2011
Ties: 1964
Mar–May 1902
3-Month
6.86"
(174.24mm)
5.20"
(132.08mm)
1.66"
(42.16mm)
111th Driest Driest since: 1901 1931
15th Wettest Wettest since: 1898 2011
Feb–May 1902
4-Month
8.39"
(213.11mm)
6.26"
(159.00mm)
2.13"
(54.11mm)
115th Driest Driest since: 1901 1931
11th Wettest Wettest since: 1898 2011
Jan–May 1902
5-Month
9.10"
(231.14mm)
7.61"
(193.29mm)
1.49"
(37.85mm)
106th Driest Driest since: 1901 1931
20th Wettest Wettest since: 1899 2011
Dec 1901–May 1902
6-Month
11.33"
(287.78mm)
8.90"
(226.06mm)
2.43"
(61.72mm)
115th Driest Driest since: 1901 1931
10th Wettest Wettest since: 1896 2011
Nov 1901–May 1902
7-Month
12.07"
(306.58mm)
10.19"
(258.83mm)
1.88"
(47.75mm)
108th Driest Driest since: 1901 1931
17th Wettest Wettest since: 1898 2011
Oct 1901–May 1902
8-Month
12.56"
(319.02mm)
11.44"
(290.58mm)
1.12"
(28.44mm)
84th Driest Driest since: 1901 1931
41st Wettest Wettest since: 1900 2011
Ties: 1976
Sep 1901–May 1902
9-Month
14.74"
(374.40mm)
12.90"
(327.66mm)
1.84"
(46.74mm)
103rd Driest Driest since: 1901 1905
22nd Wettest Wettest since: 1899 2011
Aug 1901–May 1902
10-Month
15.36"
(390.14mm)
14.22"
(361.19mm)
1.14"
(28.95mm)
88th Driest Driest since: 1900 1905
37th Wettest Wettest since: 1901 2011
Jul 1901–May 1902
11-Month
16.54"
(420.12mm)
15.80"
(401.32mm)
0.74"
(18.80mm)
74th Driest Driest since: 1901 1905
51st Wettest Wettest since: 1900 2011
Jun 1901–May 1902
12-Month
20.00"
(508.00mm)
18.66"
(473.96mm)
1.34"
(34.04mm)
89th Driest Driest since: 1901 1905
36th Wettest Wettest since: 1899 2011
Dec 1900–May 1902
18-Month
28.78"
(731.01mm)
27.58"
(700.53mm)
1.20"
(30.48mm)
76th Driest Driest since: 1901 1937
48th Wettest Wettest since: 1900 2011
Jun 1900–May 1902
24-Month
37.45"
(951.23mm)
37.34"
(948.44mm)
0.11"
(2.79mm)
61st Driest Driest since: 1901 1937
63rd Wettest Wettest since: 1900 1917
Ties: 1924
Jun 1899–May 1902
36-Month
56.57"
(1,436.88mm)
56.01"
(1,422.65mm)
0.56"
(14.23mm)
64th Driest Driest to Date 1937
59th Wettest Wettest since: 1901 1917
Jun 1898–May 1902
48-Month
76.65"
(1,946.91mm)
74.74"
(1,898.40mm)
1.91"
(48.51mm)
73rd Driest Driest to Date 1937
49th Wettest Wettest since: 1901 1899, 1910
Jun 1897–May 1902
60-Month
100.65"
(2,556.51mm)
93.47"
(2,374.14mm)
7.18"
(182.37mm)
111th Driest Driest since: 1901 1938
10th Wettest Wettest since: 1900 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/