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


Montana

Precipitation Rankings, May 1918

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1918
1-Month
1.45"
(36.83mm)
2.42"
(61.47mm)
-0.97"
(-24.64mm)
19th Driest Driest since: 1897 1937
108th Wettest Wettest since: 1917 1927
Apr–May 1918
2-Month
2.76"
(70.10mm)
3.93"
(99.82mm)
-1.17"
(-29.72mm)
16th Driest Driest since: 1904 1934
111th Wettest Wettest since: 1917 2011
Mar–May 1918
3-Month
3.77"
(95.76mm)
5.20"
(132.08mm)
-1.43"
(-36.32mm)
11th Driest Driest since: 1895 1931
116th Wettest Wettest since: 1917 2011
Ties: 1966
Feb–May 1918
4-Month
4.76"
(120.90mm)
6.26"
(159.00mm)
-1.50"
(-38.10mm)
11th Driest Driest to Date 1931
116th Wettest Wettest since: 1917 2011
Jan–May 1918
5-Month
7.19"
(182.63mm)
7.61"
(193.29mm)
-0.42"
(-10.66mm)
49th Driest Driest since: 1915 1931
78th Wettest Wettest since: 1917 2011
Dec 1917–May 1918
6-Month
10.86"
(275.84mm)
8.90"
(226.06mm)
1.96"
(49.78mm)
107th Driest Driest since: 1917 1931
19th Wettest Wettest since: 1908 2011
Nov 1917–May 1918
7-Month
11.20"
(284.48mm)
10.19"
(258.83mm)
1.01"
(25.65mm)
87th Driest Driest since: 1917 1931
39th Wettest Wettest since: 1916 2011
Oct 1917–May 1918
8-Month
11.96"
(303.78mm)
11.44"
(290.58mm)
0.52"
(13.20mm)
67th Driest Driest since: 1915 1931
59th Wettest Wettest since: 1917 2011
Sep 1917–May 1918
9-Month
13.68"
(347.47mm)
12.90"
(327.66mm)
0.78"
(19.81mm)
78th Driest Driest since: 1915 1905
48th Wettest Wettest since: 1917 2011
Aug 1917–May 1918
10-Month
14.19"
(360.43mm)
14.22"
(361.19mm)
-0.03"
(-0.76mm)
54th Driest Driest since: 1915 1905
72nd Wettest Wettest since: 1917 2011
Jul 1917–May 1918
11-Month
14.57"
(370.08mm)
15.80"
(401.32mm)
-1.23"
(-31.24mm)
34th Driest Driest since: 1915 1905
92nd Wettest Wettest since: 1917 2011
Jun 1917–May 1918
12-Month
16.32"
(414.53mm)
18.65"
(473.71mm)
-2.33"
(-59.18mm)
14th Driest Driest since: 1905 1905
112th Wettest Wettest since: 1917 2011
Dec 1916–May 1918
18-Month
26.47"
(672.34mm)
27.58"
(700.53mm)
-1.11"
(-28.19mm)
42nd Driest Driest since: 1915 1937
83rd Wettest Wettest since: 1917 2011
Jun 1916–May 1918
24-Month
38.36"
(974.34mm)
37.34"
(948.44mm)
1.02"
(25.90mm)
75th Driest Driest since: 1915 1937
50th Wettest Wettest since: 1917 1917
Ties: 1983
Jun 1915–May 1918
36-Month
62.43"
(1,585.72mm)
56.01"
(1,422.65mm)
6.42"
(163.07mm)
114th Driest Driest since: 1916 1937
10th Wettest Wettest since: 1917 1917
Jun 1914–May 1918
48-Month
80.94"
(2,055.88mm)
74.74"
(1,898.40mm)
6.20"
(157.48mm)
112th Driest Driest since: 1916 1937
11th Wettest Wettest since: 1917 1899, 1910
Jun 1913–May 1918
60-Month
98.78"
(2,509.01mm)
93.47"
(2,374.14mm)
5.31"
(134.87mm)
101st Driest Driest since: 1915 1938
21st Wettest Wettest since: 1917 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/