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


Iowa

Precipitation Rankings, September 1903

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1903
1-Month
3.72"
(94.49mm)
3.67"
(93.22mm)
0.05"
(1.27mm)
74th Driest Driest since: 1899 1939
52nd Wettest Wettest since: 1902 1965
Aug–Sep 1903
2-Month
10.12"
(257.05mm)
7.51"
(190.75mm)
2.61"
(66.30mm)
108th Driest Driest since: 1901 1976
18th Wettest Wettest since: 1902 2018
Jul–Sep 1903
3-Month
15.35"
(389.89mm)
11.36"
(288.54mm)
3.99"
(101.35mm)
109th Driest Driest since: 1901 2013
17th Wettest Wettest since: 1902 1993
Jun–Sep 1903
4-Month
18.29"
(464.57mm)
16.00"
(406.40mm)
2.29"
(58.17mm)
98th Driest Driest since: 1901 2012
28th Wettest Wettest since: 1902 1993
Ties: 1942
May–Sep 1903
5-Month
26.84"
(681.74mm)
20.04"
(509.02mm)
6.80"
(172.72mm)
120th Driest Driest since: 1901 1976
6th Wettest Wettest since: 1902 1993
Apr–Sep 1903
6-Month
29.82"
(757.43mm)
22.99"
(583.95mm)
6.83"
(173.48mm)
117th Driest Driest since: 1901 1988
9th Wettest Wettest since: 1902 1993
Mar–Sep 1903
7-Month
31.20"
(792.48mm)
24.94"
(633.48mm)
6.26"
(159.00mm)
112th Driest Driest since: 1901 1988
14th Wettest Wettest since: 1902 1993
Feb–Sep 1903
8-Month
32.32"
(820.93mm)
25.96"
(659.38mm)
6.36"
(161.55mm)
110th Driest Driest since: 1901 1988
16th Wettest Wettest since: 1902 1993
Jan–Sep 1903
9-Month
32.57"
(827.28mm)
26.93"
(684.02mm)
5.64"
(143.26mm)
108th Driest Driest since: 1901 1988
18th Wettest Wettest since: 1902 1993
Dec 1902–Sep 1903
10-Month
34.73"
(882.14mm)
28.04"
(712.22mm)
6.69"
(169.92mm)
111th Driest Driest since: 1901 1988
14th Wettest Wettest since: 1902 1993
Nov 1902–Sep 1903
11-Month
36.80"
(934.72mm)
29.78"
(756.41mm)
7.02"
(178.31mm)
112th Driest Driest since: 1901 1934
13th Wettest Wettest since: 1902 1993
Oct 1902–Sep 1903
12-Month
39.13"
(993.90mm)
32.09"
(815.09mm)
7.04"
(178.81mm)
113th Driest Driest since: 1901 1934
12th Wettest Wettest since: 1902 1993
Apr 1902–Sep 1903
18-Month
73.35"
(1,863.09mm)
55.13"
(1,400.30mm)
18.22"
(462.79mm)
120th Driest Driest since: 1902 1934
5th Wettest Wettest to Date 1993
Oct 1901–Sep 1903
24-Month
80.16"
(2,036.06mm)
64.26"
(1,632.20mm)
15.90"
(403.86mm)
116th Driest Driest since: 1902 1956
8th Wettest Wettest to Date 1993
Oct 1900–Sep 1903
36-Month
106.33"
(2,700.78mm)
96.36"
(2,447.54mm)
9.97"
(253.24mm)
101st Driest Driest since: 1902 1957
22nd Wettest Wettest to Date 2010
Oct 1899–Sep 1903
48-Month
140.91"
(3,579.11mm)
128.36"
(3,260.34mm)
12.55"
(318.77mm)
100th Driest Driest since: 1902 1958
22nd Wettest Wettest to Date 2010
Oct 1898–Sep 1903
60-Month
170.26"
(4,324.60mm)
160.34"
(4,072.64mm)
9.92"
(251.96mm)
93rd Driest Driest since: 1902 1957
28th Wettest Wettest to Date 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 18, 2020 from https://www.ncdc.noaa.gov/cag/