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 December 2019. For more information, please see Climatological Rankings.


Iowa

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)
1.11"
(28.19mm)
-0.07"
(-1.77mm)
58th Driest Driest since: 1919 2002
68th Wettest Wettest since: 1920 2015
Nov–Dec 1921
2-Month
1.62"
(41.15mm)
2.87"
(72.90mm)
-1.25"
(-31.75mm)
26th Driest Driest since: 1917 1976
100th Wettest Wettest since: 1920 2015
Oct–Dec 1921
3-Month
3.58"
(90.93mm)
5.16"
(131.06mm)
-1.58"
(-40.13mm)
27th Driest Driest since: 1917 1910
99th Wettest Wettest since: 1920 1931
Ties: 1945
Sep–Dec 1921
4-Month
10.27"
(260.86mm)
8.83"
(224.28mm)
1.44"
(36.58mm)
88th Driest Driest since: 1920 1939, 1976
38th Wettest Wettest since: 1919 1931
Aug–Dec 1921
5-Month
15.29"
(388.37mm)
12.67"
(321.82mm)
2.62"
(66.55mm)
98th Driest Driest since: 1920 1976
28th Wettest Wettest since: 1911 2018
Jul–Dec 1921
6-Month
17.88"
(454.15mm)
16.52"
(419.61mm)
1.36"
(34.54mm)
82nd Driest Driest since: 1920 1976
44th Wettest Wettest since: 1915 2018
Jun–Dec 1921
7-Month
21.51"
(546.35mm)
21.15"
(537.21mm)
0.36"
(9.14mm)
67th Driest Driest since: 1920 1976
59th Wettest Wettest since: 1919 2018
May–Dec 1921
8-Month
25.81"
(655.57mm)
25.20"
(640.08mm)
0.61"
(15.49mm)
68th Driest Driest since: 1920 1976
58th Wettest Wettest since: 1919 1993
Apr–Dec 1921
9-Month
29.18"
(741.17mm)
28.15"
(715.01mm)
1.03"
(26.16mm)
72nd Driest Driest since: 1920 1910
54th Wettest Wettest since: 1919 1993
Mar–Dec 1921
10-Month
30.77"
(781.56mm)
30.10"
(764.54mm)
0.67"
(17.02mm)
70th Driest Driest since: 1920 1910
56th Wettest Wettest since: 1919 1993
Feb–Dec 1921
11-Month
31.52"
(800.61mm)
31.12"
(790.45mm)
0.40"
(10.16mm)
68th Driest Driest since: 1920 1910
58th Wettest Wettest since: 1919 1993
Jan–Dec 1921
12-Month
32.00"
(812.80mm)
32.09"
(815.09mm)
-0.09"
(-2.29mm)
63rd Driest Driest since: 1920 1910
63rd Wettest Wettest since: 1919 1993
Jul 1920–Dec 1921
18-Month
48.11"
(1,221.99mm)
48.69"
(1,236.73mm)
-0.58"
(-14.74mm)
57th Driest Driest since: 1918 1956
68th Wettest Wettest since: 1920 1993
Jan 1920–Dec 1921
24-Month
63.06"
(1,601.72mm)
64.24"
(1,631.70mm)
-1.18"
(-29.98mm)
54th Driest Driest since: 1918 1989
71st Wettest Wettest since: 1920 2019
Jan 1919–Dec 1921
36-Month
99.46"
(2,526.28mm)
96.36"
(2,447.54mm)
3.10"
(78.74mm)
77th Driest Driest since: 1919 1957
47th Wettest Wettest since: 1920 2010
Jan 1918–Dec 1921
48-Month
132.00"
(3,352.80mm)
128.37"
(3,260.60mm)
3.63"
(92.20mm)
79th Driest Driest since: 1920 1958
44th Wettest Wettest since: 1909 2010
Jan 1917–Dec 1921
60-Month
159.62"
(4,054.35mm)
160.36"
(4,073.14mm)
-0.74"
(-18.79mm)
56th Driest Driest since: 1920 1956
66th Wettest Wettest since: 1919 2010

Citing This Page

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