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 April 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1937

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1937
1-Month
1.54"
(39.12mm)
3.67"
(93.22mm)
-2.13"
(-54.10mm)
11th Driest Driest since: 1908 1939
117th Wettest Wettest since: 1936 1965
Ties: 1956
Aug–Sep 1937
2-Month
5.65"
(143.51mm)
7.51"
(190.75mm)
-1.86"
(-47.24mm)
30th Driest Driest since: 1930 1976
98th Wettest Wettest since: 1936 2018
Jul–Sep 1937
3-Month
8.17"
(207.52mm)
11.36"
(288.54mm)
-3.19"
(-81.02mm)
16th Driest Driest since: 1930 2013
112th Wettest Wettest since: 1936 1993
Jun–Sep 1937
4-Month
11.89"
(302.01mm)
16.00"
(406.40mm)
-4.11"
(-104.39mm)
12th Driest Driest since: 1927 2012
116th Wettest Wettest since: 1936 1993
May–Sep 1937
5-Month
15.86"
(402.84mm)
20.04"
(509.02mm)
-4.18"
(-106.18mm)
14th Driest Driest since: 1930 1976
114th Wettest Wettest since: 1936 1993
Apr–Sep 1937
6-Month
19.05"
(483.87mm)
22.99"
(583.95mm)
-3.94"
(-100.08mm)
19th Driest Driest since: 1936 1988
109th Wettest Wettest since: 1935 1993
Mar–Sep 1937
7-Month
20.70"
(525.78mm)
24.94"
(633.48mm)
-4.24"
(-107.70mm)
20th Driest Driest since: 1936 1988
108th Wettest Wettest since: 1935 1993
Feb–Sep 1937
8-Month
21.72"
(551.69mm)
25.96"
(659.38mm)
-4.24"
(-107.69mm)
18th Driest Driest since: 1936 1988
110th Wettest Wettest since: 1935 1993
Jan–Sep 1937
9-Month
23.96"
(608.58mm)
26.93"
(684.02mm)
-2.97"
(-75.44mm)
29th Driest Driest since: 1936 1988
99th Wettest Wettest since: 1935 1993
Dec 1936–Sep 1937
10-Month
25.47"
(646.94mm)
28.04"
(712.22mm)
-2.57"
(-65.28mm)
36th Driest Driest since: 1936 1988
91st Wettest Wettest since: 1935 1993
Nov 1936–Sep 1937
11-Month
26.13"
(663.70mm)
29.78"
(756.41mm)
-3.65"
(-92.71mm)
27th Driest Driest since: 1936 1934
100th Wettest Wettest since: 1935 1993
Oct 1936–Sep 1937
12-Month
27.73"
(704.34mm)
32.09"
(815.09mm)
-4.36"
(-110.75mm)
23rd Driest Driest since: 1934 1934
104th Wettest Wettest since: 1936 1993
Apr 1936–Sep 1937
18-Month
45.49"
(1,155.45mm)
55.13"
(1,400.30mm)
-9.64"
(-244.85mm)
6th Driest Driest since: 1934 1934
121st Wettest Wettest since: 1936 1993
Oct 1935–Sep 1937
24-Month
55.80"
(1,417.32mm)
64.26"
(1,632.20mm)
-8.46"
(-214.88mm)
11th Driest Driest since: 1935 1956
115th Wettest Wettest since: 1936 1993
Oct 1934–Sep 1937
36-Month
89.06"
(2,262.12mm)
96.36"
(2,447.54mm)
-7.30"
(-185.42mm)
20th Driest Driest since: 1936 1957
105th Wettest Wettest since: 1933 2010
Oct 1933–Sep 1937
48-Month
111.42"
(2,830.07mm)
128.36"
(3,260.34mm)
-16.94"
(-430.27mm)
5th Driest Driest since: 1936 1958
119th Wettest Wettest since: 1935 2010
Oct 1932–Sep 1937
60-Month
137.92"
(3,503.17mm)
160.34"
(4,072.64mm)
-22.42"
(-569.47mm)
2nd Driest Driest to Date 1957
121st Wettest Wettest since: 1936 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 28, 2022 from https://www.ncdc.noaa.gov/cag/