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 1902

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1902
1-Month
4.46"
(113.28mm)
3.67"
(93.22mm)
0.79"
(20.06mm)
93rd Driest Driest since: 1899 1939
35th Wettest Wettest since: 1901 1965
Aug–Sep 1902
2-Month
11.18"
(283.97mm)
7.51"
(190.75mm)
3.67"
(93.22mm)
118th Driest Driest since: 1901 1976
10th Wettest Wettest to Date 2018
Jul–Sep 1902
3-Month
19.81"
(503.17mm)
11.36"
(288.54mm)
8.45"
(214.63mm)
126th Driest Driest since: 1901 2013
2nd Wettest Wettest to Date 1993
Jun–Sep 1902
4-Month
26.94"
(684.28mm)
16.00"
(406.40mm)
10.94"
(277.88mm)
125th Driest Driest since: 1901 2012
3rd Wettest Wettest to Date 1993
May–Sep 1902
5-Month
32.48"
(824.99mm)
20.04"
(509.02mm)
12.44"
(315.97mm)
125th Driest Driest since: 1901 1976
3rd Wettest Wettest to Date 1993
Apr–Sep 1902
6-Month
34.22"
(869.19mm)
22.99"
(583.95mm)
11.23"
(285.24mm)
125th Driest Driest since: 1901 1988
3rd Wettest Wettest to Date 1993
Mar–Sep 1902
7-Month
35.66"
(905.76mm)
24.94"
(633.48mm)
10.72"
(272.28mm)
125th Driest Driest since: 1901 1988
3rd Wettest Wettest to Date 1993
Feb–Sep 1902
8-Month
36.34"
(923.04mm)
25.96"
(659.38mm)
10.38"
(263.66mm)
125th Driest Driest since: 1901 1988
3rd Wettest Wettest to Date 1993
Jan–Sep 1902
9-Month
37.23"
(945.64mm)
26.93"
(684.02mm)
10.30"
(261.62mm)
125th Driest Driest since: 1901 1988
3rd Wettest Wettest to Date 1993
Dec 1901–Sep 1902
10-Month
38.18"
(969.77mm)
28.04"
(712.22mm)
10.14"
(257.55mm)
123rd Driest Driest since: 1901 1988
4th Wettest Wettest to Date 1993
Nov 1901–Sep 1902
11-Month
39.01"
(990.85mm)
29.78"
(756.41mm)
9.23"
(234.44mm)
122nd Driest Driest since: 1901 1934
5th Wettest Wettest to Date 1993
Oct 1901–Sep 1902
12-Month
41.03"
(1,042.16mm)
32.09"
(815.09mm)
8.94"
(227.07mm)
119th Driest Driest since: 1901 1934
8th Wettest Wettest to Date 1993
Apr 1901–Sep 1902
18-Month
57.46"
(1,459.48mm)
55.13"
(1,400.30mm)
2.33"
(59.18mm)
79th Driest Driest since: 1901 1934
48th Wettest Wettest since: 1897 1993
Oct 1900–Sep 1902
24-Month
67.20"
(1,706.88mm)
64.26"
(1,632.20mm)
2.94"
(74.68mm)
80th Driest Driest since: 1901 1956
46th Wettest Wettest to Date 1993
Oct 1899–Sep 1902
36-Month
101.78"
(2,585.21mm)
96.36"
(2,447.54mm)
5.42"
(137.67mm)
89th Driest Driest since: 1901 1957
36th Wettest Wettest to Date 2010
Oct 1898–Sep 1902
48-Month
131.13"
(3,330.70mm)
128.36"
(3,260.34mm)
2.77"
(70.36mm)
73rd Driest Driest since: 1901 1958
51st Wettest Wettest to Date 2010
Oct 1897–Sep 1902
60-Month
158.99"
(4,038.35mm)
160.34"
(4,072.64mm)
-1.35"
(-34.29mm)
53rd Driest Driest since: 1901 1957
70th Wettest Wettest to Date 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 23, 2022 from https://www.ncdc.noaa.gov/cag/