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 1986

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1986
1-Month
6.79"
(172.47mm)
3.67"
(93.22mm)
3.12"
(79.25mm)
119th Driest Driest since: 1985 1939
9th Wettest Wettest since: 1973 1965
Aug–Sep 1986
2-Month
10.71"
(272.03mm)
7.51"
(190.75mm)
3.20"
(81.28mm)
116th Driest Driest since: 1985 1976
12th Wettest Wettest since: 1980 2018
Jul–Sep 1986
3-Month
15.76"
(400.30mm)
11.36"
(288.54mm)
4.40"
(111.76mm)
114th Driest Driest since: 1985 2013
14th Wettest Wettest since: 1977 1993
Jun–Sep 1986
4-Month
20.41"
(518.41mm)
16.00"
(406.40mm)
4.41"
(112.01mm)
116th Driest Driest since: 1985 2012
12th Wettest Wettest since: 1965 1993
May–Sep 1986
5-Month
26.03"
(661.16mm)
20.04"
(509.02mm)
5.99"
(152.14mm)
116th Driest Driest since: 1985 1976
12th Wettest Wettest since: 1965 1993
Apr–Sep 1986
6-Month
30.60"
(777.24mm)
22.99"
(583.95mm)
7.61"
(193.29mm)
120th Driest Driest since: 1985 1988
8th Wettest Wettest since: 1965 1993
Mar–Sep 1986
7-Month
32.71"
(830.83mm)
24.94"
(633.48mm)
7.77"
(197.35mm)
119th Driest Driest since: 1985 1988
9th Wettest Wettest since: 1973 1993
Feb–Sep 1986
8-Month
33.95"
(862.33mm)
25.96"
(659.38mm)
7.99"
(202.95mm)
119th Driest Driest since: 1985 1988
9th Wettest Wettest since: 1973 1993
Jan–Sep 1986
9-Month
34.17"
(867.92mm)
26.93"
(684.02mm)
7.24"
(183.90mm)
117th Driest Driest since: 1985 1988
11th Wettest Wettest since: 1973 1993
Dec 1985–Sep 1986
10-Month
35.44"
(900.18mm)
28.04"
(712.22mm)
7.40"
(187.96mm)
114th Driest Driest since: 1985 1988
13th Wettest Wettest since: 1973 1993
Nov 1985–Sep 1986
11-Month
37.68"
(957.07mm)
29.78"
(756.41mm)
7.90"
(200.66mm)
116th Driest Driest since: 1985 1934
11th Wettest Wettest since: 1973 1993
Oct 1985–Sep 1986
12-Month
40.84"
(1,037.34mm)
32.09"
(815.09mm)
8.75"
(222.25mm)
118th Driest Driest since: 1985 1934
9th Wettest Wettest since: 1973 1993
Apr 1985–Sep 1986
18-Month
60.94"
(1,547.88mm)
55.13"
(1,400.30mm)
5.81"
(147.58mm)
99th Driest Driest since: 1985 1934
28th Wettest Wettest since: 1983 1993
Oct 1984–Sep 1986
24-Month
74.71"
(1,897.63mm)
64.26"
(1,632.20mm)
10.45"
(265.43mm)
111th Driest Driest since: 1985 1956
15th Wettest Wettest since: 1974 1993
Oct 1983–Sep 1986
36-Month
111.40"
(2,829.56mm)
96.36"
(2,447.54mm)
15.04"
(382.02mm)
111th Driest Driest since: 1985 1957
14th Wettest Wettest since: 1974 2010
Oct 1982–Sep 1986
48-Month
148.42"
(3,769.87mm)
128.36"
(3,260.34mm)
20.06"
(509.53mm)
113th Driest Driest since: 1985 1958
11th Wettest Wettest to Date 2010
Oct 1981–Sep 1986
60-Month
185.89"
(4,721.61mm)
160.34"
(4,072.64mm)
25.55"
(648.97mm)
115th Driest Driest since: 1985 1957
8th 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 22, 2022 from https://www.ncdc.noaa.gov/cag/