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 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1971
1-Month
2.11"
(53.59mm)
2.42"
(61.47mm)
-0.31"
(-7.88mm)
48th Driest Driest since: 1969 1937
78th Wettest Wettest since: 1970 1927
Apr–May 1971
2-Month
3.76"
(95.50mm)
3.93"
(99.82mm)
-0.17"
(-4.32mm)
56th Driest Driest since: 1969 1934
70th Wettest Wettest since: 1970 2011
Mar–May 1971
3-Month
4.95"
(125.73mm)
5.20"
(132.08mm)
-0.25"
(-6.35mm)
53rd Driest Driest since: 1969 1931
73rd Wettest Wettest since: 1970 2011
Feb–May 1971
4-Month
6.00"
(152.40mm)
6.26"
(159.00mm)
-0.26"
(-6.60mm)
56th Driest Driest since: 1969 1931
70th Wettest Wettest since: 1970 2011
Jan–May 1971
5-Month
8.74"
(222.00mm)
7.61"
(193.29mm)
1.13"
(28.71mm)
99th Driest Driest since: 1969 1931
27th Wettest Wettest since: 1970 2011
Dec 1970–May 1971
6-Month
9.94"
(252.48mm)
8.90"
(226.06mm)
1.04"
(26.42mm)
91st Driest Driest since: 1969 1931
34th Wettest Wettest since: 1970 2011
Ties: 1904
Nov 1970–May 1971
7-Month
11.45"
(290.83mm)
10.19"
(258.83mm)
1.26"
(32.00mm)
94th Driest Driest since: 1970 1931
31st Wettest Wettest since: 1967 2011
Oct 1970–May 1971
8-Month
12.57"
(319.28mm)
11.44"
(290.58mm)
1.13"
(28.70mm)
86th Driest Driest since: 1969 1931
39th Wettest Wettest since: 1970 2011
Ties: 1904
Sep 1970–May 1971
9-Month
14.25"
(361.95mm)
12.90"
(327.66mm)
1.35"
(34.29mm)
93rd Driest Driest since: 1970 1905
32nd Wettest Wettest since: 1962 2011
Aug 1970–May 1971
10-Month
14.80"
(375.92mm)
14.22"
(361.19mm)
0.58"
(14.73mm)
74th Driest Driest since: 1970 1905
51st Wettest Wettest since: 1969 2011
Ties: 1989
Jul 1970–May 1971
11-Month
16.65"
(422.91mm)
15.80"
(401.32mm)
0.85"
(21.59mm)
79th Driest Driest since: 1970 1905
46th Wettest Wettest since: 1969 2011
Jun 1970–May 1971
12-Month
19.44"
(493.78mm)
18.66"
(473.96mm)
0.78"
(19.82mm)
80th Driest Driest since: 1968 1905
45th Wettest Wettest since: 1970 2011
Dec 1969–May 1971
18-Month
30.35"
(770.89mm)
27.58"
(700.53mm)
2.77"
(70.36mm)
102nd Driest Driest since: 1970 1937
22nd Wettest Wettest since: 1965 2011
Jun 1969–May 1971
24-Month
39.62"
(1,006.35mm)
37.34"
(948.44mm)
2.28"
(57.91mm)
91st Driest Driest since: 1969 1937
33rd Wettest Wettest since: 1970 1917
Jun 1968–May 1971
36-Month
60.68"
(1,541.27mm)
56.01"
(1,422.65mm)
4.67"
(118.62mm)
106th Driest Driest since: 1970 1937
17th Wettest Wettest since: 1949 1917
Jun 1967–May 1971
48-Month
78.90"
(2,004.06mm)
74.74"
(1,898.40mm)
4.16"
(105.66mm)
91st Driest Driest since: 1969 1937
31st Wettest Wettest since: 1970 1899, 1910
Jun 1966–May 1971
60-Month
98.44"
(2,500.38mm)
93.47"
(2,374.14mm)
4.97"
(126.24mm)
93rd Driest Driest since: 1970 1938
28th Wettest Wettest since: 1969 1910
Ties: 1951, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/