Climate at a Glance

Divisional 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 August 2020. For more information, please see Climatological Rankings.


Montana, Climate Division 3. North Central

Precipitation Rankings, December 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
December 1921
1-Month
1.04"
(26.42mm)
0.77"
(19.56mm)
0.27"
(6.86mm)
100th Driest Driest since: 1920 1913
26th Wettest Wettest since: 1917 1917
Nov–Dec 1921
2-Month
2.44"
(61.98mm)
1.49"
(37.85mm)
0.95"
(24.13mm)
111th Driest Driest since: 1920 1908
15th Wettest Wettest since: 1917 1897
Oct–Dec 1921
3-Month
2.58"
(65.53mm)
2.31"
(58.67mm)
0.27"
(6.86mm)
74th Driest Driest since: 1920 1907
52nd Wettest Wettest since: 1917 1946
Sep–Dec 1921
4-Month
3.87"
(98.30mm)
3.60"
(91.44mm)
0.27"
(6.86mm)
74th Driest Driest since: 1920 1904
52nd Wettest Wettest since: 1917 1911
Ties: 1992
Aug–Dec 1921
5-Month
4.32"
(109.73mm)
4.94"
(125.48mm)
-0.62"
(-15.75mm)
44th Driest Driest since: 1920 1904
82nd Wettest Wettest since: 1919 1985
Jul–Dec 1921
6-Month
6.62"
(168.15mm)
6.53"
(165.86mm)
0.09"
(2.29mm)
71st Driest Driest since: 1920 1904
55th Wettest Wettest since: 1916 1911
Ties: 1929, 1942
Jun–Dec 1921
7-Month
9.15"
(232.41mm)
9.48"
(240.79mm)
-0.33"
(-8.38mm)
63rd Driest Driest since: 1920 1904
63rd Wettest Wettest since: 1916 1993
May–Dec 1921
8-Month
11.42"
(290.07mm)
11.64"
(295.66mm)
-0.22"
(-5.59mm)
61st Driest Driest since: 1920 1904
65th Wettest Wettest since: 1916 1927
Apr–Dec 1921
9-Month
12.51"
(317.75mm)
12.74"
(323.60mm)
-0.23"
(-5.85mm)
62nd Driest Driest since: 1920 1904
64th Wettest Wettest since: 1916 1927
Mar–Dec 1921
10-Month
14.05"
(356.87mm)
13.55"
(344.17mm)
0.50"
(12.70mm)
73rd Driest Driest since: 1920 1904
53rd Wettest Wettest since: 1916 1975
Feb–Dec 1921
11-Month
14.41"
(366.01mm)
14.16"
(359.66mm)
0.25"
(6.35mm)
70th Driest Driest since: 1920 1904
56th Wettest Wettest since: 1916 1927
Jan–Dec 1921
12-Month
14.82"
(376.43mm)
14.96"
(379.98mm)
-0.14"
(-3.55mm)
65th Driest Driest since: 1920 1904
61st Wettest Wettest since: 1916 1927
Jul 1920–Dec 1921
18-Month
19.58"
(497.33mm)
21.51"
(546.35mm)
-1.93"
(-49.02mm)
33rd Driest Driest since: 1920 1905
92nd Wettest Wettest since: 1917 1927
Jan 1920–Dec 1921
24-Month
28.66"
(727.96mm)
29.93"
(760.22mm)
-1.27"
(-32.26mm)
38th Driest Driest since: 1920 1919
87th Wettest Wettest since: 1917 1897
Ties: 1914
Jan 1919–Dec 1921
36-Month
38.84"
(986.54mm)
44.97"
(1,142.24mm)
-6.13"
(-155.70mm)
11th Driest Driest since: 1920 1919
113th Wettest Wettest since: 1918 1898
Jan 1918–Dec 1921
48-Month
49.36"
(1,253.74mm)
60.02"
(1,524.51mm)
-10.66"
(-270.77mm)
3rd Driest Driest since: 1920 1920
120th Wettest Wettest since: 1919 1899
Jan 1917–Dec 1921
60-Month
62.61"
(1,590.29mm)
75.12"
(1,908.05mm)
-12.51"
(-317.76mm)
1st Driest Driest to Date 1921
121st Wettest Wettest since: 1920 1899

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2020, retrieved on September 19, 2020 from https://www.ncdc.noaa.gov/cag/