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


Iowa

Precipitation Rankings, September 1934

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1934
1-Month
4.97"
(126.24mm)
3.67"
(93.22mm)
1.30"
(33.02mm)
100th Driest Driest since: 1933 1939
28th Wettest Wettest since: 1931 1965
Aug–Sep 1934
2-Month
7.80"
(198.12mm)
7.51"
(190.75mm)
0.29"
(7.37mm)
75th Driest Driest since: 1933 1976
53rd Wettest Wettest since: 1932 2018
Jul–Sep 1934
3-Month
11.89"
(302.01mm)
11.36"
(288.54mm)
0.53"
(13.47mm)
79th Driest Driest since: 1933 2013
49th Wettest Wettest since: 1932 1993
Jun–Sep 1934
4-Month
15.34"
(389.64mm)
16.00"
(406.40mm)
-0.66"
(-16.76mm)
61st Driest Driest since: 1933 2012
67th Wettest Wettest since: 1932 1993
May–Sep 1934
5-Month
16.30"
(414.02mm)
20.04"
(509.02mm)
-3.74"
(-95.00mm)
16th Driest Driest since: 1930 1976
112th Wettest Wettest since: 1933 1993
Apr–Sep 1934
6-Month
17.31"
(439.67mm)
22.99"
(583.95mm)
-5.68"
(-144.28mm)
7th Driest Driest since: 1910 1988
121st Wettest Wettest since: 1933 1993
Mar–Sep 1934
7-Month
18.41"
(467.61mm)
24.94"
(633.48mm)
-6.53"
(-165.87mm)
5th Driest Driest since: 1910 1988
123rd Wettest Wettest since: 1933 1993
Feb–Sep 1934
8-Month
18.86"
(479.04mm)
25.96"
(659.38mm)
-7.10"
(-180.34mm)
3rd Driest Driest since: 1910 1988
125th Wettest Wettest since: 1933 1993
Jan–Sep 1934
9-Month
19.70"
(500.38mm)
26.93"
(684.02mm)
-7.23"
(-183.64mm)
3rd Driest Driest since: 1910 1988
125th Wettest Wettest since: 1933 1993
Dec 1933–Sep 1934
10-Month
20.71"
(526.03mm)
28.04"
(712.22mm)
-7.33"
(-186.19mm)
2nd Driest Driest to Date 1988
125th Wettest Wettest since: 1933 1993
Nov 1933–Sep 1934
11-Month
21.04"
(534.42mm)
29.78"
(756.41mm)
-8.74"
(-221.99mm)
1st Driest Driest to Date 1934
126th Wettest Wettest since: 1933 1993
Oct 1933–Sep 1934
12-Month
22.36"
(567.94mm)
32.09"
(815.09mm)
-9.73"
(-247.15mm)
1st Driest Driest to Date 1934
126th Wettest Wettest since: 1933 1993
Apr 1933–Sep 1934
18-Month
39.93"
(1,014.22mm)
55.13"
(1,400.30mm)
-15.20"
(-386.08mm)
1st Driest Driest to Date 1934
126th Wettest Wettest since: 1933 1993
Oct 1932–Sep 1934
24-Month
48.86"
(1,241.04mm)
64.26"
(1,632.20mm)
-15.40"
(-391.16mm)
3rd Driest Driest to Date 1956
123rd Wettest Wettest since: 1933 1993
Oct 1931–Sep 1934
36-Month
86.99"
(2,209.55mm)
96.36"
(2,447.54mm)
-9.37"
(-237.99mm)
15th Driest Driest since: 1918 1957
110th Wettest Wettest since: 1933 2010
Oct 1930–Sep 1934
48-Month
115.21"
(2,926.33mm)
128.36"
(3,260.34mm)
-13.15"
(-334.01mm)
8th Driest Driest since: 1913 1958
116th Wettest Wettest since: 1933 2010
Oct 1929–Sep 1934
60-Month
141.08"
(3,583.43mm)
160.34"
(4,072.64mm)
-19.26"
(-489.21mm)
6th Driest Driest to Date 1957
117th Wettest Wettest since: 1933 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 16, 2022 from https://www.ncei.noaa.gov/cag/