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 2009

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2009
1-Month
1.34"
(34.04mm)
2.42"
(61.47mm)
-1.08"
(-27.43mm)
14th Driest Driest since: 2001 1937
112th Wettest Wettest since: 2008 1927
Ties: 1930
Apr–May 2009
2-Month
3.28"
(83.31mm)
3.93"
(99.82mm)
-0.65"
(-16.51mm)
30th Driest Driest since: 2001 1934
96th Wettest Wettest since: 2008 2011
Ties: 1951
Mar–May 2009
3-Month
5.00"
(127.00mm)
5.20"
(132.08mm)
-0.20"
(-5.08mm)
56th Driest Driest since: 2004 1931
70th Wettest Wettest since: 2008 2011
Ties: 1943
Feb–May 2009
4-Month
5.74"
(145.80mm)
6.26"
(159.00mm)
-0.52"
(-13.20mm)
44th Driest Driest since: 2004 1931
82nd Wettest Wettest since: 2008 2011
Ties: 1993
Jan–May 2009
5-Month
7.08"
(179.83mm)
7.61"
(193.29mm)
-0.53"
(-13.46mm)
46th Driest Driest since: 2004 1931
80th Wettest Wettest since: 2008 2011
Dec 2008–May 2009
6-Month
8.89"
(225.81mm)
8.90"
(226.06mm)
-0.01"
(-0.25mm)
56th Driest Driest since: 2005 1931
69th Wettest Wettest since: 2008 2011
Nov 2008–May 2009
7-Month
10.26"
(260.60mm)
10.19"
(258.83mm)
0.07"
(1.77mm)
57th Driest Driest since: 2005 1931
68th Wettest Wettest since: 2008 2011
Oct 2008–May 2009
8-Month
11.58"
(294.13mm)
11.44"
(290.58mm)
0.14"
(3.55mm)
59th Driest Driest since: 2005 1931
66th Wettest Wettest since: 2008 2011
Ties: 1950
Sep 2008–May 2009
9-Month
13.20"
(335.28mm)
12.89"
(327.41mm)
0.31"
(7.87mm)
61st Driest Driest since: 2005 1905
64th Wettest Wettest since: 2008 2011
Aug 2008–May 2009
10-Month
14.36"
(364.74mm)
14.22"
(361.19mm)
0.14"
(3.55mm)
62nd Driest Driest since: 2008 1905
63rd Wettest Wettest since: 2007 2011
Jul 2008–May 2009
11-Month
15.41"
(391.41mm)
15.80"
(401.32mm)
-0.39"
(-9.91mm)
53rd Driest Driest since: 2008 1905
72nd Wettest Wettest since: 2007 2011
Jun 2008–May 2009
12-Month
18.26"
(463.80mm)
18.66"
(473.96mm)
-0.40"
(-10.16mm)
54th Driest Driest since: 2008 1905
71st Wettest Wettest since: 2007 2011
Dec 2007–May 2009
18-Month
27.75"
(704.85mm)
27.58"
(700.53mm)
0.17"
(4.32mm)
60th Driest Driest since: 2008 1937
64th Wettest Wettest since: 2007 2011
Jun 2007–May 2009
24-Month
35.40"
(899.16mm)
37.34"
(948.44mm)
-1.94"
(-49.28mm)
29th Driest Driest since: 2005 1937
95th Wettest Wettest since: 2008 1917
Ties: 1993
Jun 2006–May 2009
36-Month
54.73"
(1,390.14mm)
56.01"
(1,422.65mm)
-1.28"
(-32.51mm)
41st Driest Driest since: 2006 1937
82nd Wettest Wettest since: 2008 1917
Jun 2005–May 2009
48-Month
75.60"
(1,920.24mm)
74.74"
(1,898.40mm)
0.86"
(21.84mm)
62nd Driest Driest since: 2008 1937
60th Wettest Wettest since: 1999 1899, 1910
Jun 2004–May 2009
60-Month
92.81"
(2,357.37mm)
93.47"
(2,374.14mm)
-0.66"
(-16.77mm)
49th Driest Driest since: 2008 1938
72nd 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/