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 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1899
1-Month
3.20"
(81.28mm)
2.42"
(61.47mm)
0.78"
(19.81mm)
101st Driest Driest since: 1897 1937
25th Wettest Wettest since: 1898 1927
Ties: 1901
Apr–May 1899
2-Month
4.56"
(115.82mm)
3.93"
(99.82mm)
0.63"
(16.00mm)
87th Driest Driest since: 1897 1934
39th Wettest Wettest since: 1898 2011
Mar–May 1899
3-Month
6.11"
(155.19mm)
5.20"
(132.08mm)
0.91"
(23.11mm)
91st Driest Driest since: 1897 1931
35th Wettest Wettest since: 1898 2011
Feb–May 1899
4-Month
7.80"
(198.12mm)
6.26"
(159.00mm)
1.54"
(39.12mm)
107th Driest Driest since: 1897 1931
19th Wettest Wettest since: 1898 2011
Jan–May 1899
5-Month
9.91"
(251.71mm)
7.61"
(193.29mm)
2.30"
(58.42mm)
116th Driest Driest since: 1898 1931
10th Wettest Wettest since: 1896 2011
Dec 1898–May 1899
6-Month
10.57"
(268.48mm)
8.90"
(226.06mm)
1.67"
(42.42mm)
105th Driest Driest since: 1897 1931
20th Wettest Wettest since: 1898 2011
Nov 1898–May 1899
7-Month
11.97"
(304.04mm)
10.19"
(258.83mm)
1.78"
(45.21mm)
105th Driest Driest since: 1897 1931
20th Wettest Wettest since: 1898 2011
Oct 1898–May 1899
8-Month
13.74"
(349.00mm)
11.44"
(290.58mm)
2.30"
(58.42mm)
111th Driest Driest since: 1897 1931
14th Wettest Wettest since: 1898 2011
Sep 1898–May 1899
9-Month
14.80"
(375.92mm)
12.90"
(327.66mm)
1.90"
(48.26mm)
104th Driest Driest since: 1897 1905
21st Wettest Wettest since: 1898 2011
Aug 1898–May 1899
10-Month
15.49"
(393.45mm)
14.22"
(361.19mm)
1.27"
(32.26mm)
90th Driest Driest to Date 1905
35th Wettest Wettest since: 1898 2011
Jul 1898–May 1899
11-Month
16.84"
(427.74mm)
15.80"
(401.32mm)
1.04"
(26.42mm)
83rd Driest Driest to Date 1905
42nd Wettest Wettest since: 1898 2011
Jun 1898–May 1899
12-Month
20.08"
(510.03mm)
18.66"
(473.96mm)
1.42"
(36.07mm)
92nd Driest Driest since: 1897 1905
33rd Wettest Wettest since: 1898 2011
Ties: 1975
Dec 1897–May 1899
18-Month
31.37"
(796.80mm)
27.58"
(700.53mm)
3.79"
(96.27mm)
111th Driest Driest since: 1897 1937
13th Wettest Wettest since: 1898 2011
Jun 1897–May 1899
24-Month
44.08"
(1,119.63mm)
37.34"
(948.44mm)
6.74"
(171.19mm)
120th Driest Driest since: 1898 1937
4th Wettest Wettest to Date 1917
Jun 1896–May 1899
36-Month
63.23"
(1,606.04mm)
56.01"
(1,422.65mm)
7.22"
(183.39mm)
117th Driest Driest to Date 1937
6th Wettest Wettest since: 1898 1917
Jun 1895–May 1899
48-Month
83.61"
(2,123.69mm)
74.74"
(1,898.40mm)
8.87"
(225.29mm)
121st Driest Driest to Date 1937
1st Wettest Wettest to Date 1899, 1910
Ties: 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/