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 2011

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 2011
1-Month
5.70"
(144.78mm)
2.42"
(61.47mm)
3.28"
(83.31mm)
124th Driest Driest since: 2010 1937
2nd Wettest Wettest since: 1927 1927
Apr–May 2011
2-Month
8.22"
(208.79mm)
3.93"
(99.82mm)
4.29"
(108.97mm)
125th Driest Driest since: 2010 1934
1st Wettest Wettest to Date 2011
Mar–May 2011
3-Month
9.84"
(249.94mm)
5.20"
(132.08mm)
4.64"
(117.86mm)
125th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Feb–May 2011
4-Month
11.21"
(284.73mm)
6.26"
(159.00mm)
4.95"
(125.73mm)
125th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Jan–May 2011
5-Month
12.98"
(329.69mm)
7.61"
(193.29mm)
5.37"
(136.40mm)
125th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Dec 2010–May 2011
6-Month
14.59"
(370.59mm)
8.90"
(226.06mm)
5.69"
(144.53mm)
124th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Nov 2010–May 2011
7-Month
16.51"
(419.35mm)
10.19"
(258.83mm)
6.32"
(160.52mm)
124th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Oct 2010–May 2011
8-Month
17.42"
(442.47mm)
11.44"
(290.58mm)
5.98"
(151.89mm)
124th Driest Driest since: 2010 1931
1st Wettest Wettest to Date 2011
Sep 2010–May 2011
9-Month
19.29"
(489.97mm)
12.89"
(327.41mm)
6.40"
(162.56mm)
124th Driest Driest since: 2010 1905
1st Wettest Wettest to Date 2011
Aug 2010–May 2011
10-Month
21.47"
(545.34mm)
14.22"
(361.19mm)
7.25"
(184.15mm)
124th Driest Driest since: 2010 1905
1st Wettest Wettest to Date 2011
Jul 2010–May 2011
11-Month
22.98"
(583.69mm)
15.80"
(401.32mm)
7.18"
(182.37mm)
124th Driest Driest since: 2010 1905
1st Wettest Wettest to Date 2011
Jun 2010–May 2011
12-Month
26.64"
(676.66mm)
18.65"
(473.71mm)
7.99"
(202.95mm)
124th Driest Driest since: 2010 1905
1st Wettest Wettest to Date 2011
Dec 2009–May 2011
18-Month
36.02"
(914.91mm)
27.58"
(700.53mm)
8.44"
(214.38mm)
123rd Driest Driest since: 2010 1937
1st Wettest Wettest to Date 2011
Jun 2009–May 2011
24-Month
45.34"
(1,151.64mm)
37.34"
(948.44mm)
8.00"
(203.20mm)
122nd Driest Driest since: 2010 1937
2nd Wettest Wettest since: 1917 1917
Jun 2008–May 2011
36-Month
63.60"
(1,615.44mm)
56.01"
(1,422.65mm)
7.59"
(192.79mm)
120th Driest Driest since: 2010 1937
3rd Wettest Wettest since: 1996 1917
Jun 2007–May 2011
48-Month
80.74"
(2,050.80mm)
74.74"
(1,898.40mm)
6.00"
(152.40mm)
110th Driest Driest since: 2010 1937
12th Wettest Wettest since: 1999 1899, 1910
Jun 2006–May 2011
60-Month
100.07"
(2,541.78mm)
93.47"
(2,374.14mm)
6.60"
(167.64mm)
107th Driest Driest since: 2010 1938
14th Wettest Wettest since: 1998 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/