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


Montana

Precipitation Rankings, May 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1901
1-Month
3.20"
(81.28mm)
2.42"
(61.47mm)
0.78"
(19.81mm)
101st Driest Driest since: 1900 1937
25th Wettest Wettest since: 1899 1927
Ties: 1899
Apr–May 1901
2-Month
4.40"
(111.76mm)
3.93"
(99.82mm)
0.47"
(11.94mm)
82nd Driest Driest since: 1897 1934
44th Wettest Wettest since: 1900 2011
Ties: 1938, 2012
Mar–May 1901
3-Month
5.56"
(141.22mm)
5.20"
(132.08mm)
0.36"
(9.14mm)
75th Driest Driest since: 1897 1931
51st Wettest Wettest since: 1900 2011
Feb–May 1901
4-Month
6.64"
(168.66mm)
6.26"
(159.00mm)
0.38"
(9.66mm)
74th Driest Driest since: 1897 1931
52nd Wettest Wettest since: 1900 2011
Ties: 2006
Jan–May 1901
5-Month
7.97"
(202.44mm)
7.61"
(193.29mm)
0.36"
(9.15mm)
66th Driest Driest since: 1897 1931
60th Wettest Wettest since: 1900 2011
Dec 1900–May 1901
6-Month
8.78"
(223.01mm)
8.90"
(226.06mm)
-0.12"
(-3.05mm)
53rd Driest Driest since: 1897 1931
72nd Wettest Wettest since: 1900 2011
Nov 1900–May 1901
7-Month
10.30"
(261.62mm)
10.19"
(258.83mm)
0.11"
(2.79mm)
59th Driest Driest to Date 1931
66th Wettest Wettest since: 1900 2011
Oct 1900–May 1901
8-Month
11.64"
(295.66mm)
11.44"
(290.58mm)
0.20"
(5.08mm)
61st Driest Driest to Date 1931
64th Wettest Wettest since: 1900 2011
Sep 1900–May 1901
9-Month
13.52"
(343.41mm)
12.90"
(327.66mm)
0.62"
(15.75mm)
72nd Driest Driest to Date 1905
53rd Wettest Wettest since: 1900 2011
Aug 1900–May 1901
10-Month
15.56"
(395.22mm)
14.22"
(361.19mm)
1.34"
(34.03mm)
91st Driest Driest since: 1900 1905
34th Wettest Wettest since: 1898 2011
Jul 1900–May 1901
11-Month
16.37"
(415.80mm)
15.80"
(401.32mm)
0.57"
(14.48mm)
72nd Driest Driest to Date 1905
53rd Wettest Wettest since: 1900 2011
Jun 1900–May 1901
12-Month
17.45"
(443.23mm)
18.65"
(473.71mm)
-1.20"
(-30.48mm)
37th Driest Driest to Date 1905
88th Wettest Wettest since: 1900 2011
Dec 1899–May 1901
18-Month
27.35"
(694.69mm)
27.58"
(700.53mm)
-0.23"
(-5.84mm)
55th Driest Driest to Date 1937
69th Wettest Wettest since: 1900 2011
Jun 1899–May 1901
24-Month
36.57"
(928.88mm)
37.34"
(948.44mm)
-0.77"
(-19.56mm)
49th Driest Driest to Date 1937
75th Wettest Wettest since: 1900 1917
Jun 1898–May 1901
36-Month
56.65"
(1,438.91mm)
56.01"
(1,422.65mm)
0.64"
(16.26mm)
65th Driest Driest to Date 1937
58th Wettest Wettest since: 1900 1917
Jun 1897–May 1901
48-Month
80.65"
(2,048.51mm)
74.74"
(1,898.40mm)
5.91"
(150.11mm)
109th Driest Driest to Date 1937
13th Wettest Wettest since: 1900 1899, 1910
Jun 1896–May 1901
60-Month
99.80"
(2,534.92mm)
93.47"
(2,374.14mm)
6.33"
(160.78mm)
105th Driest Driest to Date 1938
16th Wettest Wettest since: 1900 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/