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, April 1974

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 1974
1-Month
3.34"
(84.84mm)
2.94"
(74.68mm)
0.40"
(10.16mm)
76th Driest Driest since: 1971 1926
50th Wettest Wettest since: 1973 2013
Ties: 1967
Mar–Apr 1974
2-Month
5.05"
(128.27mm)
4.90"
(124.46mm)
0.15"
(3.81mm)
68th Driest Driest since: 1972 1910
58th Wettest Wettest since: 1973 1991
Feb–Apr 1974
3-Month
5.72"
(145.29mm)
5.92"
(150.37mm)
-0.20"
(-5.08mm)
59th Driest Driest since: 1972 1910
67th Wettest Wettest since: 1973 1951
Ties: 1912
Jan–Apr 1974
4-Month
6.93"
(176.02mm)
6.89"
(175.01mm)
0.04"
(1.01mm)
60th Driest Driest since: 1972 1934
66th Wettest Wettest since: 1973 1951
Dec 1973–Apr 1974
5-Month
8.96"
(227.58mm)
7.99"
(202.95mm)
0.97"
(24.63mm)
83rd Driest Driest since: 1972 1956
42nd Wettest Wettest since: 1973 1973
Nov 1973–Apr 1974
6-Month
11.21"
(284.73mm)
9.74"
(247.40mm)
1.47"
(37.33mm)
86th Driest Driest since: 1972 1956
39th Wettest Wettest since: 1973 2016
Oct 1973–Apr 1974
7-Month
13.78"
(350.01mm)
12.05"
(306.07mm)
1.73"
(43.94mm)
89th Driest Driest since: 1971 1934
36th Wettest Wettest since: 1973 1973
Sep 1973–Apr 1974
8-Month
20.70"
(525.78mm)
15.75"
(400.05mm)
4.95"
(125.73mm)
113th Driest Driest since: 1972 1956
12th Wettest Wettest since: 1973 2019
Aug 1973–Apr 1974
9-Month
23.44"
(595.38mm)
19.61"
(498.09mm)
3.83"
(97.29mm)
104th Driest Driest since: 1972 1956
21st Wettest Wettest since: 1973 2019
Jul 1973–Apr 1974
10-Month
28.66"
(727.96mm)
23.49"
(596.65mm)
5.17"
(131.31mm)
106th Driest Driest since: 1972 1956
19th Wettest Wettest since: 1973 2019
Jun 1973–Apr 1974
11-Month
32.15"
(816.61mm)
28.09"
(713.49mm)
4.06"
(103.12mm)
101st Driest Driest since: 1972 1956
24th Wettest Wettest since: 1973 2019
Ties: 1942
May 1973–Apr 1974
12-Month
38.19"
(970.03mm)
32.14"
(816.36mm)
6.05"
(153.67mm)
108th Driest Driest since: 1972 1956
17th Wettest Wettest since: 1973 2019
Nov 1972–Apr 1974
18-Month
53.86"
(1,368.04mm)
41.90"
(1,064.26mm)
11.96"
(303.78mm)
118th Driest Driest since: 1973 1956
6th Wettest Wettest to Date 1994
May 1972–Apr 1974
24-Month
80.83"
(2,053.08mm)
64.29"
(1,632.97mm)
16.54"
(420.11mm)
118th Driest Driest since: 1973 1957
6th Wettest Wettest since: 1904 2017
May 1971–Apr 1974
36-Month
110.62"
(2,809.75mm)
96.34"
(2,447.04mm)
14.28"
(362.71mm)
108th Driest Driest since: 1973 1958
15th Wettest Wettest to Date 2011
May 1970–Apr 1974
48-Month
144.98"
(3,682.49mm)
128.30"
(3,258.82mm)
16.68"
(423.67mm)
108th Driest Driest since: 1973 1957
14th Wettest Wettest since: 1906 2011
May 1969–Apr 1974
60-Month
177.50"
(4,508.50mm)
160.29"
(4,071.37mm)
17.21"
(437.13mm)
104th Driest Driest since: 1973 1958
17th Wettest Wettest to Date 2011

Citing This Page

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