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, July 1991

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
July 1991
1-Month
0.76"
(19.30mm)
1.59"
(40.39mm)
-0.83"
(-21.09mm)
18th Driest Driest since: 1988 1917
108th Wettest Wettest since: 1990 1993
Ties: 1996
Jun–Jul 1991
2-Month
5.05"
(128.27mm)
4.45"
(113.03mm)
0.60"
(15.24mm)
95th Driest Driest since: 1990 1919
31st Wettest Wettest since: 1976 1993
May–Jul 1991
3-Month
8.14"
(206.76mm)
6.86"
(174.24mm)
1.28"
(32.52mm)
97th Driest Driest since: 1990 1919
29th Wettest Wettest since: 1987 1915
Ties: 1902
Apr–Jul 1991
4-Month
10.89"
(276.61mm)
8.37"
(212.60mm)
2.52"
(64.01mm)
114th Driest Driest since: 1990 1919
12th Wettest Wettest since: 1978 1993
Mar–Jul 1991
5-Month
12.30"
(312.42mm)
9.65"
(245.11mm)
2.65"
(67.31mm)
116th Driest Driest since: 1990 1919
10th Wettest Wettest since: 1975 2011
Feb–Jul 1991
6-Month
12.97"
(329.44mm)
10.71"
(272.03mm)
2.26"
(57.41mm)
109th Driest Driest since: 1990 1919
17th Wettest Wettest since: 1982 2011
Jan–Jul 1991
7-Month
14.03"
(356.36mm)
12.06"
(306.32mm)
1.97"
(50.04mm)
105th Driest Driest since: 1990 1919
21st Wettest Wettest since: 1982 2011
Dec 1990–Jul 1991
8-Month
15.23"
(386.84mm)
13.35"
(339.09mm)
1.88"
(47.75mm)
100th Driest Driest since: 1990 1931
25th Wettest Wettest since: 1982 2011
Nov 1990–Jul 1991
9-Month
16.73"
(424.94mm)
14.64"
(371.86mm)
2.09"
(53.08mm)
103rd Driest Driest since: 1990 1919
22nd Wettest Wettest since: 1982 2011
Oct 1990–Jul 1991
10-Month
18.08"
(459.23mm)
15.88"
(403.35mm)
2.20"
(55.88mm)
103rd Driest Driest since: 1990 1919
22nd Wettest Wettest since: 1982 2011
Sep 1990–Jul 1991
11-Month
18.30"
(464.82mm)
17.34"
(440.44mm)
0.96"
(24.38mm)
82nd Driest Driest since: 1990 1988
43rd Wettest Wettest since: 1987 2011
Ties: 1920
Aug 1990–Jul 1991
12-Month
19.99"
(507.75mm)
18.67"
(474.22mm)
1.32"
(33.53mm)
91st Driest Driest since: 1990 1936
34th Wettest Wettest since: 1986 2011
Feb 1990–Jul 1991
18-Month
29.38"
(746.25mm)
29.38"
(746.25mm)
0.00"
(0.00mm)
54th Driest Driest since: 1989 1936
71st Wettest Wettest since: 1990 2011
Ties: 1904, 1951, 1952
Aug 1989–Jul 1991
24-Month
39.01"
(990.85mm)
37.35"
(948.69mm)
1.66"
(42.16mm)
85th Driest Driest since: 1990 1937
39th Wettest Wettest since: 1987 1928
Aug 1988–Jul 1991
36-Month
57.48"
(1,459.99mm)
56.03"
(1,423.16mm)
1.45"
(36.83mm)
74th Driest Driest since: 1990 1937
49th Wettest Wettest since: 1983 1909
Ties: 2017
Aug 1987–Jul 1991
48-Month
70.71"
(1,796.03mm)
74.76"
(1,898.90mm)
-4.05"
(-102.87mm)
26th Driest Driest since: 1990 1937
96th Wettest Wettest since: 1989 1899
Aug 1986–Jul 1991
60-Month
90.69"
(2,303.53mm)
93.49"
(2,374.65mm)
-2.80"
(-71.12mm)
32nd Driest Driest since: 1989 1937
89th Wettest Wettest since: 1990 1916

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/