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 September 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, May 1947

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1947
1-Month
1.07"
(27.18mm)
2.42"
(61.47mm)
-1.35"
(-34.29mm)
8th Driest Driest since: 1937 1937
118th Wettest Wettest since: 1946 1927
Apr–May 1947
2-Month
2.31"
(58.67mm)
3.93"
(99.82mm)
-1.62"
(-41.15mm)
8th Driest Driest since: 1937 1934
118th Wettest Wettest since: 1946 2011
Mar–May 1947
3-Month
3.64"
(92.46mm)
5.20"
(132.08mm)
-1.56"
(-39.62mm)
10th Driest Driest since: 1937 1931
116th Wettest Wettest since: 1946 2011
Feb–May 1947
4-Month
4.66"
(118.36mm)
6.26"
(159.00mm)
-1.60"
(-40.64mm)
9th Driest Driest since: 1937 1931
117th Wettest Wettest since: 1946 2011
Jan–May 1947
5-Month
5.61"
(142.49mm)
7.61"
(193.29mm)
-2.00"
(-50.80mm)
9th Driest Driest since: 1937 1931
117th Wettest Wettest since: 1946 2011
Dec 1946–May 1947
6-Month
7.47"
(189.74mm)
8.90"
(226.06mm)
-1.43"
(-36.32mm)
22nd Driest Driest since: 1944 1931
103rd Wettest Wettest since: 1946 2011
Nov 1946–May 1947
7-Month
9.45"
(240.03mm)
10.19"
(258.83mm)
-0.74"
(-18.80mm)
41st Driest Driest since: 1946 1931
84th Wettest Wettest since: 1943 2011
Oct 1946–May 1947
8-Month
12.43"
(315.72mm)
11.44"
(290.58mm)
0.99"
(25.14mm)
80th Driest Driest since: 1946 1931
45th Wettest Wettest since: 1943 2011
Sep 1946–May 1947
9-Month
15.09"
(383.29mm)
12.89"
(327.41mm)
2.20"
(55.88mm)
106th Driest Driest since: 1946 1905
19th Wettest Wettest since: 1942 2011
Aug 1946–May 1947
10-Month
15.98"
(405.89mm)
14.22"
(361.19mm)
1.76"
(44.70mm)
101st Driest Driest since: 1946 1905
24th Wettest Wettest since: 1942 2011
Jul 1946–May 1947
11-Month
18.17"
(461.52mm)
15.80"
(401.32mm)
2.37"
(60.20mm)
110th Driest Driest since: 1946 1905
15th Wettest Wettest since: 1942 2011
Jun 1946–May 1947
12-Month
20.76"
(527.30mm)
18.66"
(473.96mm)
2.10"
(53.34mm)
104th Driest Driest since: 1946 1905
21st Wettest Wettest since: 1942 2011
Dec 1945–May 1947
18-Month
28.41"
(721.61mm)
27.58"
(700.53mm)
0.83"
(21.08mm)
69th Driest Driest since: 1946 1937
55th Wettest Wettest since: 1943 2011
Jun 1945–May 1947
24-Month
37.82"
(960.63mm)
37.34"
(948.44mm)
0.48"
(12.19mm)
71st Driest Driest since: 1946 1937
53rd Wettest Wettest since: 1943 1917
Jun 1944–May 1947
36-Month
57.23"
(1,453.64mm)
56.01"
(1,422.65mm)
1.22"
(30.99mm)
70th Driest Driest since: 1946 1937
53rd Wettest Wettest since: 1944 1917
Jun 1943–May 1947
48-Month
73.72"
(1,872.49mm)
74.74"
(1,898.40mm)
-1.02"
(-25.91mm)
48th Driest Driest since: 1946 1937
74th Wettest Wettest since: 1945 1899, 1910
Jun 1942–May 1947
60-Month
93.93"
(2,385.82mm)
93.47"
(2,374.14mm)
0.46"
(11.68mm)
57th Driest Driest since: 1941 1938
64th Wettest Wettest since: 1946 1910

Citing This Page

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