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, March 1940

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
March 1940
1-Month
1.70"
(43.18mm)
1.96"
(49.78mm)
-0.26"
(-6.60mm)
60th Driest Driest since: 1939 1910
66th Wettest Wettest since: 1938 1990
Feb–Mar 1940
2-Month
2.81"
(71.37mm)
2.97"
(75.44mm)
-0.16"
(-4.07mm)
57th Driest Driest since: 1937 1910
69th Wettest Wettest since: 1939 1951
Jan–Mar 1940
3-Month
3.62"
(91.95mm)
3.95"
(100.33mm)
-0.33"
(-8.38mm)
49th Driest Driest since: 1934 1968
77th Wettest Wettest since: 1939 1951
Dec 1939–Mar 1940
4-Month
4.22"
(107.19mm)
5.05"
(128.27mm)
-0.83"
(-21.08mm)
34th Driest Driest since: 1934 1956
91st Wettest Wettest since: 1939 1973
Nov 1939–Mar 1940
5-Month
4.71"
(119.63mm)
6.79"
(172.47mm)
-2.08"
(-52.84mm)
15th Driest Driest since: 1934 1956
110th Wettest Wettest since: 1939 2016
Oct 1939–Mar 1940
6-Month
6.19"
(157.23mm)
9.11"
(231.39mm)
-2.92"
(-74.16mm)
11th Driest Driest since: 1934 1956
114th Wettest Wettest since: 1939 1932
Sep 1939–Mar 1940
7-Month
7.03"
(178.56mm)
12.80"
(325.12mm)
-5.77"
(-146.56mm)
1st Driest Driest to Date 1940
124th Wettest Wettest since: 1939 2019
Aug 1939–Mar 1940
8-Month
11.70"
(297.18mm)
16.66"
(423.16mm)
-4.96"
(-125.98mm)
9th Driest Driest since: 1918 1956
116th Wettest Wettest since: 1939 2019
Jul 1939–Mar 1940
9-Month
14.90"
(378.46mm)
20.55"
(521.97mm)
-5.65"
(-143.51mm)
9th Driest Driest since: 1931 1918
116th Wettest Wettest since: 1939 2019
Jun 1939–Mar 1940
10-Month
19.82"
(503.43mm)
25.15"
(638.81mm)
-5.33"
(-135.38mm)
17th Driest Driest since: 1938 1956
108th Wettest Wettest since: 1939 2019
May 1939–Mar 1940
11-Month
21.86"
(555.24mm)
29.19"
(741.43mm)
-7.33"
(-186.19mm)
9th Driest Driest since: 1934 1956
116th Wettest Wettest since: 1939 2019
Ties: 2013
Apr 1939–Mar 1940
12-Month
23.86"
(606.04mm)
32.14"
(816.36mm)
-8.28"
(-210.32mm)
7th Driest Driest since: 1934 1956
118th Wettest Wettest since: 1939 2019
Oct 1938–Mar 1940
18-Month
32.36"
(821.94mm)
41.28"
(1,048.51mm)
-8.92"
(-226.57mm)
5th Driest Driest since: 1934 1989
119th Wettest Wettest since: 1939 1994
Apr 1938–Mar 1940
24-Month
60.06"
(1,525.52mm)
64.26"
(1,632.20mm)
-4.20"
(-106.68mm)
35th Driest Driest since: 1938 1957
89th Wettest Wettest since: 1939 2009
Apr 1937–Mar 1940
36-Month
87.03"
(2,210.56mm)
96.30"
(2,446.02mm)
-9.27"
(-235.46mm)
12th Driest Driest since: 1938 1958
111th Wettest Wettest since: 1939 2011
Apr 1936–Mar 1940
48-Month
113.47"
(2,882.14mm)
128.27"
(3,258.06mm)
-14.80"
(-375.92mm)
7th Driest Driest since: 1937 1957
115th Wettest Wettest since: 1939 2011
Apr 1935–Mar 1940
60-Month
146.33"
(3,716.78mm)
160.30"
(4,071.62mm)
-13.97"
(-354.84mm)
12th Driest Driest since: 1938 1957
109th Wettest Wettest since: 1939 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 28, 2020 from https://www.ncdc.noaa.gov/cag/