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 January 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, December 1920

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
December 1920
1-Month
1.18"
(29.97mm)
1.11"
(28.19mm)
0.07"
(1.78mm)
73rd Driest Driest since: 1919 2002
53rd Wettest Wettest since: 1918 2015
Ties: 1952, 1957
Nov–Dec 1920
2-Month
3.40"
(86.36mm)
2.87"
(72.90mm)
0.53"
(13.46mm)
85th Driest Driest since: 1918 1976
41st Wettest Wettest since: 1919 2015
Ties: 1994
Oct–Dec 1920
3-Month
5.51"
(139.95mm)
5.16"
(131.06mm)
0.35"
(8.89mm)
77th Driest Driest since: 1917 1910
49th Wettest Wettest since: 1919 1931
Sep–Dec 1920
4-Month
8.74"
(222.00mm)
8.83"
(224.28mm)
-0.09"
(-2.28mm)
68th Driest Driest since: 1918 1939, 1976
58th Wettest Wettest since: 1919 1931
Aug–Dec 1920
5-Month
12.14"
(308.36mm)
12.67"
(321.82mm)
-0.53"
(-13.46mm)
58th Driest Driest since: 1917 1976
68th Wettest Wettest since: 1919 2018
Jul–Dec 1920
6-Month
16.11"
(409.19mm)
16.52"
(419.61mm)
-0.41"
(-10.42mm)
58th Driest Driest since: 1918 1976
68th Wettest Wettest since: 1919 2018
Jun–Dec 1920
7-Month
19.46"
(494.28mm)
21.15"
(537.21mm)
-1.69"
(-42.93mm)
48th Driest Driest since: 1917 1976
78th Wettest Wettest since: 1919 2018
May–Dec 1920
8-Month
22.76"
(578.10mm)
25.20"
(640.08mm)
-2.44"
(-61.98mm)
34th Driest Driest since: 1917 1976
92nd Wettest Wettest since: 1919 1993
Apr–Dec 1920
9-Month
27.16"
(689.86mm)
28.15"
(715.01mm)
-0.99"
(-25.15mm)
53rd Driest Driest since: 1917 1910
73rd Wettest Wettest since: 1919 1993
Mar–Dec 1920
10-Month
30.11"
(764.79mm)
30.10"
(764.54mm)
0.01"
(0.25mm)
61st Driest Driest since: 1917 1910
65th Wettest Wettest since: 1919 1993
Feb–Dec 1920
11-Month
30.63"
(778.00mm)
31.12"
(790.45mm)
-0.49"
(-12.45mm)
55th Driest Driest since: 1917 1910
71st Wettest Wettest since: 1919 1993
Jan–Dec 1920
12-Month
31.06"
(788.92mm)
32.09"
(815.09mm)
-1.03"
(-26.17mm)
50th Driest Driest since: 1917 1910
76th Wettest Wettest since: 1919 1993
Jul 1919–Dec 1920
18-Month
48.88"
(1,241.55mm)
48.69"
(1,236.73mm)
0.19"
(4.82mm)
64th Driest Driest since: 1918 1956
61st Wettest Wettest since: 1919 1993
Jan 1919–Dec 1920
24-Month
67.46"
(1,713.48mm)
64.24"
(1,631.70mm)
3.22"
(81.78mm)
77th Driest Driest since: 1918 1989
48th Wettest Wettest since: 1919 2019
Jan 1918–Dec 1920
36-Month
100.00"
(2,540.00mm)
96.36"
(2,447.54mm)
3.64"
(92.46mm)
80th Driest Driest since: 1919 1957
44th Wettest Wettest since: 1915 2010
Jan 1917–Dec 1920
48-Month
127.62"
(3,241.55mm)
128.37"
(3,260.60mm)
-0.75"
(-19.05mm)
56th Driest Driest since: 1919 1958
67th Wettest Wettest since: 1918 2010
Jan 1916–Dec 1920
60-Month
156.12"
(3,965.45mm)
160.36"
(4,073.14mm)
-4.24"
(-107.69mm)
38th Driest Driest since: 1914 1956
84th Wettest Wettest since: 1919 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 24, 2020 from https://www.ncdc.noaa.gov/cag/