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


Iowa

Precipitation Rankings, April 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
April 1920
1-Month
4.40"
(111.76mm)
2.94"
(74.68mm)
1.46"
(37.08mm)
101st Driest Driest since: 1918 1926
25th Wettest Wettest since: 1919 2013
Mar–Apr 1920
2-Month
7.35"
(186.69mm)
4.90"
(124.46mm)
2.45"
(62.23mm)
114th Driest Driest since: 1919 1910
12th Wettest Wettest to Date 1991
Feb–Apr 1920
3-Month
7.87"
(199.90mm)
5.92"
(150.37mm)
1.95"
(49.53mm)
108th Driest Driest since: 1918 1910
18th Wettest Wettest since: 1919 1951
Jan–Apr 1920
4-Month
8.30"
(210.82mm)
6.89"
(175.01mm)
1.41"
(35.81mm)
99th Driest Driest since: 1918 1934
27th Wettest Wettest since: 1919 1951
Dec 1919–Apr 1920
5-Month
8.87"
(225.30mm)
7.99"
(202.95mm)
0.88"
(22.35mm)
81st Driest Driest since: 1918 1956
44th Wettest Wettest since: 1919 1973
Ties: 1948, 2011
Nov 1919–Apr 1920
6-Month
12.28"
(311.91mm)
9.74"
(247.40mm)
2.54"
(64.51mm)
103rd Driest Driest since: 1918 1956
22nd Wettest Wettest since: 1919 2016
Oct 1919–Apr 1920
7-Month
15.45"
(392.43mm)
12.05"
(306.07mm)
3.40"
(86.36mm)
105th Driest Driest since: 1918 1934
20th Wettest Wettest since: 1919 1973
Sep 1919–Apr 1920
8-Month
20.75"
(527.05mm)
15.75"
(400.05mm)
5.00"
(127.00mm)
114th Driest Driest since: 1919 1956
11th Wettest Wettest to Date 2019
Aug 1919–Apr 1920
9-Month
23.38"
(593.85mm)
19.61"
(498.09mm)
3.77"
(95.76mm)
103rd Driest Driest since: 1919 1956
22nd Wettest Wettest since: 1903 2019
Jul 1919–Apr 1920
10-Month
26.12"
(663.45mm)
23.49"
(596.65mm)
2.63"
(66.80mm)
92nd Driest Driest since: 1919 1956
33rd Wettest Wettest since: 1916 2019
Jun 1919–Apr 1920
11-Month
31.97"
(812.04mm)
28.09"
(713.49mm)
3.88"
(98.55mm)
99th Driest Driest since: 1919 1956
26th Wettest Wettest since: 1903 2019
May 1919–Apr 1920
12-Month
35.04"
(890.02mm)
32.14"
(816.36mm)
2.90"
(73.66mm)
87th Driest Driest since: 1918 1956
38th Wettest Wettest since: 1919 2019
Nov 1918–Apr 1920
18-Month
47.96"
(1,218.18mm)
41.90"
(1,064.26mm)
6.06"
(153.92mm)
101st Driest Driest since: 1919 1956
23rd Wettest Wettest since: 1903 1994
May 1918–Apr 1920
24-Month
72.35"
(1,837.69mm)
64.29"
(1,632.97mm)
8.06"
(204.72mm)
107th Driest Driest since: 1919 1957
17th Wettest Wettest since: 1904 2017
May 1917–Apr 1920
36-Month
97.47"
(2,475.74mm)
96.34"
(2,447.04mm)
1.13"
(28.70mm)
67th Driest Driest since: 1919 1958
56th Wettest Wettest since: 1917 2011
May 1916–Apr 1920
48-Month
126.30"
(3,208.02mm)
128.30"
(3,258.82mm)
-2.00"
(-50.80mm)
51st Driest Driest since: 1918 1957
71st Wettest Wettest since: 1919 2011
May 1915–Apr 1920
60-Month
165.61"
(4,206.49mm)
160.29"
(4,071.37mm)
5.32"
(135.12mm)
76th Driest Driest since: 1919 1958
45th Wettest Wettest since: 1910 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 19, 2019 from https://www.ncdc.noaa.gov/cag/