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 2010

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2010
1-Month
3.93"
(99.82mm)
2.42"
(61.47mm)
1.51"
(38.35mm)
113th Driest Driest since: 2009 1937
13th Wettest Wettest since: 2008 1927
Apr–May 2010
2-Month
6.01"
(152.65mm)
3.93"
(99.82mm)
2.08"
(52.83mm)
119th Driest Driest since: 2009 1934
7th Wettest Wettest since: 1978 2011
Mar–May 2010
3-Month
6.75"
(171.45mm)
5.20"
(132.08mm)
1.55"
(39.37mm)
107th Driest Driest since: 2009 1931
19th Wettest Wettest since: 2007 2011
Feb–May 2010
4-Month
7.25"
(184.15mm)
6.26"
(159.00mm)
0.99"
(25.15mm)
92nd Driest Driest since: 2009 1931
34th Wettest Wettest since: 2007 2011
Jan–May 2010
5-Month
8.33"
(211.58mm)
7.61"
(193.29mm)
0.72"
(18.29mm)
80th Driest Driest since: 2009 1931
46th Wettest Wettest since: 2007 2011
Dec 2009–May 2010
6-Month
9.38"
(238.25mm)
8.90"
(226.06mm)
0.48"
(12.19mm)
72nd Driest Driest since: 2009 1931
53rd Wettest Wettest since: 2008 2011
Nov 2009–May 2010
7-Month
9.94"
(252.48mm)
10.19"
(258.83mm)
-0.25"
(-6.35mm)
49th Driest Driest since: 2005 1931
76th Wettest Wettest since: 2009 2011
Oct 2009–May 2010
8-Month
12.11"
(307.59mm)
11.44"
(290.58mm)
0.67"
(17.01mm)
70th Driest Driest since: 2009 1931
55th Wettest Wettest since: 2007 2011
Sep 2009–May 2010
9-Month
12.66"
(321.56mm)
12.90"
(327.66mm)
-0.24"
(-6.10mm)
49th Driest Driest since: 2005 1905
76th Wettest Wettest since: 2009 2011
Aug 2009–May 2010
10-Month
14.52"
(368.81mm)
14.22"
(361.19mm)
0.30"
(7.62mm)
66th Driest Driest since: 2009 1905
59th Wettest Wettest since: 2007 2011
Jul 2009–May 2010
11-Month
16.55"
(420.37mm)
15.80"
(401.32mm)
0.75"
(19.05mm)
75th Driest Driest since: 2009 1905
50th Wettest Wettest since: 2007 2011
Jun 2009–May 2010
12-Month
18.70"
(474.98mm)
18.65"
(473.71mm)
0.05"
(1.27mm)
57th Driest Driest since: 2009 1905
68th Wettest Wettest since: 2007 2011
Dec 2008–May 2010
18-Month
27.59"
(700.79mm)
27.58"
(700.53mm)
0.01"
(0.26mm)
59th Driest Driest since: 2008 1937
65th Wettest Wettest since: 2009 2011
Jun 2008–May 2010
24-Month
36.96"
(938.78mm)
37.34"
(948.44mm)
-0.38"
(-9.66mm)
53rd Driest Driest since: 2009 1937
71st Wettest Wettest since: 2007 1917
Jun 2007–May 2010
36-Month
54.10"
(1,374.14mm)
56.01"
(1,422.65mm)
-1.91"
(-48.51mm)
34th Driest Driest since: 2006 1937
89th Wettest Wettest since: 2009 1917
Jun 2006–May 2010
48-Month
73.43"
(1,865.12mm)
74.74"
(1,898.40mm)
-1.31"
(-33.28mm)
44th Driest Driest since: 2007 1937
78th Wettest Wettest since: 2009 1899, 1910
Jun 2005–May 2010
60-Month
94.30"
(2,395.22mm)
93.47"
(2,374.14mm)
0.83"
(21.08mm)
59th Driest Driest since: 2009 1938
62nd Wettest Wettest since: 2000 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/