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 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1921
1-Month
1.66"
(42.16mm)
1.59"
(40.39mm)
0.07"
(1.77mm)
80th Driest Driest since: 1920 1917
46th Wettest Wettest since: 1918 1993
Jun–Jul 1921
2-Month
4.63"
(117.60mm)
4.45"
(113.03mm)
0.18"
(4.57mm)
78th Driest Driest since: 1920 1919
48th Wettest Wettest since: 1916 1993
Ties: 1903, 1982
May–Jul 1921
3-Month
6.98"
(177.29mm)
6.86"
(174.24mm)
0.12"
(3.05mm)
63rd Driest Driest since: 1920 1919
63rd Wettest Wettest since: 1916 1915
Apr–Jul 1921
4-Month
8.42"
(213.87mm)
8.37"
(212.60mm)
0.05"
(1.27mm)
62nd Driest Driest since: 1919 1919
64th Wettest Wettest since: 1920 1993
Mar–Jul 1921
5-Month
10.22"
(259.59mm)
9.65"
(245.11mm)
0.57"
(14.48mm)
78th Driest Driest since: 1920 1919
48th Wettest Wettest since: 1916 2011
Feb–Jul 1921
6-Month
10.82"
(274.83mm)
10.71"
(272.03mm)
0.11"
(2.80mm)
64th Driest Driest since: 1919 1919
62nd Wettest Wettest since: 1920 2011
Ties: 1976
Jan–Jul 1921
7-Month
11.83"
(300.48mm)
12.06"
(306.32mm)
-0.23"
(-5.84mm)
58th Driest Driest since: 1919 1919
68th Wettest Wettest since: 1920 2011
Dec 1920–Jul 1921
8-Month
12.66"
(321.56mm)
13.35"
(339.09mm)
-0.69"
(-17.53mm)
47th Driest Driest since: 1919 1931
78th Wettest Wettest since: 1920 2011
Nov 1920–Jul 1921
9-Month
13.27"
(337.06mm)
14.64"
(371.86mm)
-1.37"
(-34.80mm)
32nd Driest Driest since: 1919 1919
93rd Wettest Wettest since: 1920 2011
Oct 1920–Jul 1921
10-Month
14.61"
(371.09mm)
15.88"
(403.35mm)
-1.27"
(-32.26mm)
32nd Driest Driest since: 1919 1919
93rd Wettest Wettest since: 1920 2011
Sep 1920–Jul 1921
11-Month
15.57"
(395.48mm)
17.34"
(440.44mm)
-1.77"
(-44.96mm)
27th Driest Driest since: 1919 1988
98th Wettest Wettest since: 1920 2011
Aug 1920–Jul 1921
12-Month
16.87"
(428.50mm)
18.67"
(474.22mm)
-1.80"
(-45.72mm)
29th Driest Driest since: 1919 1936
96th Wettest Wettest since: 1920 2011
Ties: 1966
Feb 1920–Jul 1921
18-Month
27.75"
(704.85mm)
29.38"
(746.25mm)
-1.63"
(-41.40mm)
33rd Driest Driest since: 1920 1936
92nd Wettest Wettest since: 1917 2011
Aug 1919–Jul 1921
24-Month
35.83"
(910.08mm)
37.35"
(948.69mm)
-1.52"
(-38.61mm)
39th Driest Driest since: 1920 1937
85th Wettest Wettest since: 1917 1928
Aug 1918–Jul 1921
36-Month
49.71"
(1,262.63mm)
56.03"
(1,423.16mm)
-6.32"
(-160.53mm)
13th Driest Driest since: 1919 1937
110th Wettest Wettest since: 1920 1909
Aug 1917–Jul 1921
48-Month
67.21"
(1,707.13mm)
74.76"
(1,898.90mm)
-7.55"
(-191.77mm)
9th Driest Driest to Date 1937
113th Wettest Wettest since: 1920 1899
Aug 1916–Jul 1921
60-Month
84.92"
(2,156.97mm)
93.49"
(2,374.65mm)
-8.57"
(-217.68mm)
12th Driest Driest to Date 1937
109th Wettest Wettest since: 1920 1916

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/