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 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1977
1-Month
2.62"
(66.55mm)
2.42"
(61.47mm)
0.20"
(5.08mm)
80th Driest Driest since: 1976 1937
46th Wettest Wettest since: 1975 1927
Apr–May 1977
2-Month
3.03"
(76.96mm)
3.93"
(99.82mm)
-0.90"
(-22.86mm)
23rd Driest Driest since: 1966 1934
103rd Wettest Wettest since: 1976 2011
Mar–May 1977
3-Month
4.56"
(115.82mm)
5.20"
(132.08mm)
-0.64"
(-16.26mm)
35th Driest Driest since: 1976 1931
91st Wettest Wettest since: 1975 2011
Feb–May 1977
4-Month
4.99"
(126.75mm)
6.26"
(159.00mm)
-1.27"
(-32.25mm)
16th Driest Driest since: 1973 1931
110th Wettest Wettest since: 1976 2011
Jan–May 1977
5-Month
6.14"
(155.96mm)
7.61"
(193.29mm)
-1.47"
(-37.33mm)
18th Driest Driest since: 1973 1931
108th Wettest Wettest since: 1976 2011
Dec 1976–May 1977
6-Month
6.73"
(170.94mm)
8.90"
(226.06mm)
-2.17"
(-55.12mm)
7th Driest Driest since: 1944 1931
118th Wettest Wettest since: 1976 2011
Nov 1976–May 1977
7-Month
7.47"
(189.74mm)
10.19"
(258.83mm)
-2.72"
(-69.09mm)
7th Driest Driest since: 1944 1931
118th Wettest Wettest since: 1976 2011
Oct 1976–May 1977
8-Month
8.09"
(205.49mm)
11.44"
(290.58mm)
-3.35"
(-85.09mm)
4th Driest Driest since: 1937 1931
121st Wettest Wettest since: 1976 2011
Sep 1976–May 1977
9-Month
9.25"
(234.95mm)
12.90"
(327.66mm)
-3.65"
(-92.71mm)
5th Driest Driest since: 1937 1905
120th Wettest Wettest since: 1976 2011
Aug 1976–May 1977
10-Month
11.09"
(281.69mm)
14.22"
(361.19mm)
-3.13"
(-79.50mm)
9th Driest Driest since: 1944 1905
116th Wettest Wettest since: 1976 2011
Jul 1976–May 1977
11-Month
12.54"
(318.52mm)
15.80"
(401.32mm)
-3.26"
(-82.80mm)
8th Driest Driest since: 1944 1905
117th Wettest Wettest since: 1976 2011
Jun 1976–May 1977
12-Month
16.38"
(416.05mm)
18.66"
(473.96mm)
-2.28"
(-57.91mm)
15th Driest Driest since: 1973 1905
110th Wettest Wettest since: 1976 2011
Dec 1975–May 1977
18-Month
24.51"
(622.55mm)
27.58"
(700.53mm)
-3.07"
(-77.98mm)
14th Driest Driest since: 1961 1937
110th Wettest Wettest since: 1976 2011
Jun 1975–May 1977
24-Month
37.56"
(954.02mm)
37.34"
(948.44mm)
0.22"
(5.58mm)
63rd Driest Driest since: 1974 1937
61st Wettest Wettest since: 1976 1917
Jun 1974–May 1977
36-Month
57.64"
(1,464.06mm)
56.01"
(1,422.65mm)
1.63"
(41.41mm)
73rd Driest Driest since: 1975 1937
50th Wettest Wettest since: 1976 1917
Jun 1973–May 1977
48-Month
78.51"
(1,994.15mm)
74.74"
(1,898.40mm)
3.77"
(95.75mm)
87th Driest Driest since: 1976 1937
35th Wettest Wettest since: 1972 1899, 1910
Jun 1972–May 1977
60-Month
94.72"
(2,405.89mm)
93.47"
(2,374.14mm)
1.25"
(31.75mm)
63rd Driest Driest since: 1965 1938
58th Wettest Wettest since: 1976 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/