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 July 2020. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, May 1903

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1903
1-Month
2.49"
(63.25mm)
2.42"
(61.47mm)
0.07"
(1.78mm)
75th Driest Driest since: 1900 1937
52nd Wettest Wettest since: 1902 1927
Apr–May 1903
2-Month
4.32"
(109.73mm)
3.93"
(99.82mm)
0.39"
(9.91mm)
79th Driest Driest since: 1897 1934
48th Wettest Wettest since: 1902 2011
Ties: 1917, 1961
Mar–May 1903
3-Month
5.51"
(139.95mm)
5.20"
(132.08mm)
0.31"
(7.87mm)
74th Driest Driest since: 1897 1931
53rd Wettest Wettest since: 1902 2011
Ties: 1907, 2017
Feb–May 1903
4-Month
6.09"
(154.69mm)
6.26"
(159.00mm)
-0.17"
(-4.31mm)
60th Driest Driest since: 1897 1931
67th Wettest Wettest since: 1902 2011
Ties: 1910
Jan–May 1903
5-Month
7.06"
(179.32mm)
7.61"
(193.29mm)
-0.55"
(-13.97mm)
45th Driest Driest to Date 1931
82nd Wettest Wettest since: 1902 2011
Dec 1902–May 1903
6-Month
8.81"
(223.77mm)
8.90"
(226.06mm)
-0.09"
(-2.29mm)
55th Driest Driest since: 1901 1931
71st Wettest Wettest since: 1902 2011
Nov 1902–May 1903
7-Month
10.92"
(277.37mm)
10.19"
(258.83mm)
0.73"
(18.54mm)
78th Driest Driest since: 1901 1931
48th Wettest Wettest since: 1902 2011
Oct 1902–May 1903
8-Month
11.28"
(286.51mm)
11.44"
(290.58mm)
-0.16"
(-4.07mm)
51st Driest Driest to Date 1931
75th Wettest Wettest since: 1902 2011
Sep 1902–May 1903
9-Month
11.85"
(300.99mm)
12.89"
(327.41mm)
-1.04"
(-26.42mm)
35th Driest Driest to Date 1905
91st Wettest Wettest since: 1902 2011
Aug 1902–May 1903
10-Month
12.81"
(325.37mm)
14.22"
(361.19mm)
-1.41"
(-35.82mm)
29th Driest Driest to Date 1905
97th Wettest Wettest since: 1902 2011
Jul 1902–May 1903
11-Month
14.60"
(370.84mm)
15.80"
(401.32mm)
-1.20"
(-30.48mm)
35th Driest Driest to Date 1905
91st Wettest Wettest since: 1902 2011
Jun 1902–May 1903
12-Month
17.21"
(437.13mm)
18.66"
(473.96mm)
-1.45"
(-36.83mm)
34th Driest Driest to Date 1905
92nd Wettest Wettest since: 1902 2011
Ties: 2005
Dec 1901–May 1903
18-Month
28.54"
(724.92mm)
27.58"
(700.53mm)
0.96"
(24.39mm)
72nd Driest Driest since: 1901 1937
53rd Wettest Wettest since: 1902 2011
Ties: 1999
Jun 1901–May 1903
24-Month
37.21"
(945.13mm)
37.34"
(948.44mm)
-0.13"
(-3.31mm)
58th Driest Driest since: 1901 1937
67th Wettest Wettest since: 1902 1917
Jun 1900–May 1903
36-Month
54.66"
(1,388.36mm)
56.01"
(1,422.65mm)
-1.35"
(-34.29mm)
39th Driest Driest to Date 1937
85th Wettest Wettest since: 1902 1917
Jun 1899–May 1903
48-Month
73.78"
(1,874.01mm)
74.74"
(1,898.40mm)
-0.96"
(-24.39mm)
49th Driest Driest to Date 1937
74th Wettest Wettest since: 1902 1899, 1910
Jun 1898–May 1903
60-Month
93.86"
(2,384.04mm)
93.47"
(2,374.14mm)
0.39"
(9.90mm)
55th Driest Driest to Date 1938
67th Wettest Wettest since: 1902 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 14, 2020 from https://www.ncdc.noaa.gov/cag/