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


Iowa

Precipitation Rankings, September 1985

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1985
1-Month
5.31"
(134.87mm)
3.67"
(93.22mm)
1.64"
(41.65mm)
106th Driest Driest since: 1984 1939
22nd Wettest Wettest since: 1978 1965
Aug–Sep 1985
2-Month
9.19"
(233.43mm)
7.51"
(190.75mm)
1.68"
(42.68mm)
95th Driest Driest since: 1984 1976
33rd Wettest Wettest since: 1980 2018
Jul–Sep 1985
3-Month
12.00"
(304.80mm)
11.36"
(288.54mm)
0.64"
(16.26mm)
83rd Driest Driest since: 1984 2013
45th Wettest Wettest since: 1982 1993
Ties: 2008
Jun–Sep 1985
4-Month
14.96"
(379.98mm)
16.00"
(406.40mm)
-1.04"
(-26.42mm)
52nd Driest Driest since: 1984 2012
76th Wettest Wettest since: 1982 1993
May–Sep 1985
5-Month
17.76"
(451.10mm)
20.04"
(509.02mm)
-2.28"
(-57.92mm)
38th Driest Driest since: 1976 1976
90th Wettest Wettest since: 1984 1993
Apr–Sep 1985
6-Month
20.10"
(510.54mm)
22.99"
(583.95mm)
-2.89"
(-73.41mm)
29th Driest Driest since: 1976 1988
99th Wettest Wettest since: 1984 1993
Mar–Sep 1985
7-Month
22.72"
(577.09mm)
24.94"
(633.48mm)
-2.22"
(-56.39mm)
38th Driest Driest since: 1976 1988
90th Wettest Wettest since: 1984 1993
Feb–Sep 1985
8-Month
23.84"
(605.54mm)
25.96"
(659.38mm)
-2.12"
(-53.84mm)
42nd Driest Driest since: 1976 1988
86th Wettest Wettest since: 1984 1993
Jan–Sep 1985
9-Month
24.48"
(621.79mm)
26.93"
(684.02mm)
-2.45"
(-62.23mm)
38th Driest Driest since: 1976 1988
90th Wettest Wettest since: 1984 1993
Dec 1984–Sep 1985
10-Month
26.58"
(675.13mm)
28.04"
(712.22mm)
-1.46"
(-37.09mm)
50th Driest Driest since: 1980 1988
77th Wettest Wettest since: 1984 1993
Nov 1984–Sep 1985
11-Month
28.62"
(726.95mm)
29.78"
(756.41mm)
-1.16"
(-29.46mm)
52nd Driest Driest since: 1981 1934
75th Wettest Wettest since: 1984 1993
Oct 1984–Sep 1985
12-Month
33.87"
(860.30mm)
32.09"
(815.09mm)
1.78"
(45.21mm)
82nd Driest Driest since: 1981 1934
45th Wettest Wettest since: 1984 1993
Apr 1984–Sep 1985
18-Month
58.12"
(1,476.25mm)
55.13"
(1,400.30mm)
2.99"
(75.95mm)
84th Driest Driest since: 1981 1934
43rd Wettest Wettest since: 1984 1993
Oct 1983–Sep 1985
24-Month
70.56"
(1,792.22mm)
64.26"
(1,632.20mm)
6.30"
(160.02mm)
100th Driest Driest since: 1982 1956
26th Wettest Wettest since: 1984 1993
Oct 1982–Sep 1985
36-Month
107.58"
(2,732.53mm)
96.36"
(2,447.54mm)
11.22"
(284.99mm)
104th Driest Driest since: 1983 1957
21st Wettest Wettest since: 1984 2010
Oct 1981–Sep 1985
48-Month
145.05"
(3,684.27mm)
128.36"
(3,260.34mm)
16.69"
(423.93mm)
108th Driest Driest since: 1984 1958
16th Wettest Wettest since: 1975 2010
Oct 1980–Sep 1985
60-Month
174.83"
(4,440.68mm)
160.34"
(4,072.64mm)
14.49"
(368.04mm)
100th Driest Driest since: 1984 1957
23rd Wettest Wettest since: 1974 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 27, 2022 from https://www.ncdc.noaa.gov/cag/