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 1970

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 1970
1-Month
3.03"
(76.96mm)
2.42"
(61.47mm)
0.61"
(15.49mm)
94th Driest Driest since: 1969 1937
32nd Wettest Wettest since: 1964 1927
Apr–May 1970
2-Month
5.44"
(138.18mm)
3.93"
(99.82mm)
1.51"
(38.36mm)
111th Driest Driest since: 1969 1934
15th Wettest Wettest since: 1953 2011
Mar–May 1970
3-Month
6.92"
(175.77mm)
5.20"
(132.08mm)
1.72"
(43.69mm)
112th Driest Driest since: 1969 1931
14th Wettest Wettest since: 1953 2011
Feb–May 1970
4-Month
7.91"
(200.91mm)
6.26"
(159.00mm)
1.65"
(41.91mm)
108th Driest Driest since: 1969 1931
18th Wettest Wettest since: 1955 2011
Jan–May 1970
5-Month
9.94"
(252.48mm)
7.61"
(193.29mm)
2.33"
(59.19mm)
117th Driest Driest since: 1969 1931
9th Wettest Wettest since: 1953 2011
Dec 1969–May 1970
6-Month
10.91"
(277.11mm)
8.90"
(226.06mm)
2.01"
(51.05mm)
108th Driest Driest since: 1969 1931
17th Wettest Wettest since: 1965 2011
Nov 1969–May 1970
7-Month
11.44"
(290.58mm)
10.19"
(258.83mm)
1.25"
(31.75mm)
93rd Driest Driest since: 1969 1931
32nd Wettest Wettest since: 1967 2011
Oct 1969–May 1970
8-Month
12.88"
(327.15mm)
11.44"
(290.58mm)
1.44"
(36.57mm)
97th Driest Driest since: 1969 1931
28th Wettest Wettest since: 1967 2011
Sep 1969–May 1970
9-Month
13.63"
(346.20mm)
12.89"
(327.41mm)
0.74"
(18.79mm)
76th Driest Driest since: 1968 1905
49th Wettest Wettest since: 1969 2011
Aug 1969–May 1970
10-Month
13.99"
(355.35mm)
14.22"
(361.19mm)
-0.23"
(-5.84mm)
52nd Driest Driest since: 1968 1905
73rd Wettest Wettest since: 1969 2011
Jul 1969–May 1970
11-Month
15.84"
(402.34mm)
15.80"
(401.32mm)
0.04"
(1.02mm)
60th Driest Driest since: 1968 1905
65th Wettest Wettest since: 1969 2011
Jun 1969–May 1970
12-Month
20.18"
(512.57mm)
18.66"
(473.96mm)
1.52"
(38.61mm)
94th Driest Driest since: 1968 1905
31st Wettest Wettest since: 1969 2011
Dec 1968–May 1970
18-Month
29.28"
(743.71mm)
27.58"
(700.53mm)
1.70"
(43.18mm)
86th Driest Driest since: 1968 1937
38th Wettest Wettest since: 1969 2011
Jun 1968–May 1970
24-Month
41.24"
(1,047.50mm)
37.34"
(948.44mm)
3.90"
(99.06mm)
106th Driest Driest since: 1969 1937
18th Wettest Wettest since: 1965 1917
Jun 1967–May 1970
36-Month
59.46"
(1,510.28mm)
56.01"
(1,422.65mm)
3.45"
(87.63mm)
94th Driest Driest since: 1969 1937
29th Wettest Wettest since: 1967 1917
Jun 1966–May 1970
48-Month
79.00"
(2,006.60mm)
74.74"
(1,898.40mm)
4.26"
(108.20mm)
94th Driest Driest since: 1969 1937
28th Wettest Wettest since: 1967 1899, 1910
Jun 1965–May 1970
60-Month
97.30"
(2,471.42mm)
93.47"
(2,374.14mm)
3.83"
(97.28mm)
85th Driest Driest since: 1966 1938
36th Wettest Wettest since: 1969 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/