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 1988

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1988
1-Month
3.61"
(91.69mm)
3.67"
(93.22mm)
-0.06"
(-1.53mm)
72nd Driest Driest since: 1987 1939
56th Wettest Wettest since: 1986 1965
Aug–Sep 1988
2-Month
7.74"
(196.60mm)
7.51"
(190.75mm)
0.23"
(5.85mm)
74th Driest Driest since: 1984 1976
54th Wettest Wettest since: 1987 2018
Ties: 1981
Jul–Sep 1988
3-Month
10.00"
(254.00mm)
11.36"
(288.54mm)
-1.36"
(-34.54mm)
43rd Driest Driest since: 1984 2013
85th Wettest Wettest since: 1987 1993
Jun–Sep 1988
4-Month
11.72"
(297.69mm)
16.00"
(406.40mm)
-4.28"
(-108.71mm)
10th Driest Driest since: 1976 2012
118th Wettest Wettest since: 1987 1993
May–Sep 1988
5-Month
13.49"
(342.65mm)
20.04"
(509.02mm)
-6.55"
(-166.37mm)
4th Driest Driest since: 1976 1976
124th Wettest Wettest since: 1987 1993
Apr–Sep 1988
6-Month
15.40"
(391.16mm)
22.99"
(583.95mm)
-7.59"
(-192.79mm)
1st Driest Driest to Date 1988
127th Wettest Wettest since: 1987 1993
Mar–Sep 1988
7-Month
16.19"
(411.23mm)
24.94"
(633.48mm)
-8.75"
(-222.25mm)
1st Driest Driest to Date 1988
127th Wettest Wettest since: 1987 1993
Feb–Sep 1988
8-Month
16.66"
(423.16mm)
25.96"
(659.38mm)
-9.30"
(-236.22mm)
1st Driest Driest to Date 1988
127th Wettest Wettest since: 1987 1993
Jan–Sep 1988
9-Month
17.42"
(442.47mm)
26.93"
(684.02mm)
-9.51"
(-241.55mm)
1st Driest Driest to Date 1988
127th Wettest Wettest since: 1987 1993
Dec 1987–Sep 1988
10-Month
19.22"
(488.19mm)
28.04"
(712.22mm)
-8.82"
(-224.03mm)
1st Driest Driest to Date 1988
126th Wettest Wettest since: 1987 1993
Nov 1987–Sep 1988
11-Month
21.86"
(555.24mm)
29.78"
(756.41mm)
-7.92"
(-201.17mm)
4th Driest Driest since: 1956 1934
123rd Wettest Wettest since: 1987 1993
Oct 1987–Sep 1988
12-Month
22.64"
(575.06mm)
32.09"
(815.09mm)
-9.45"
(-240.03mm)
3rd Driest Driest since: 1956 1934
124th Wettest Wettest since: 1987 1993
Apr 1987–Sep 1988
18-Month
46.52"
(1,181.61mm)
55.13"
(1,400.30mm)
-8.61"
(-218.69mm)
9th Driest Driest since: 1956 1934
118th Wettest Wettest since: 1987 1993
Oct 1986–Sep 1988
24-Month
56.00"
(1,422.40mm)
64.26"
(1,632.20mm)
-8.26"
(-209.80mm)
12th Driest Driest since: 1967 1956
114th Wettest Wettest since: 1987 1993
Oct 1985–Sep 1988
36-Month
96.84"
(2,459.74mm)
96.36"
(2,447.54mm)
0.48"
(12.20mm)
65th Driest Driest since: 1981 1957
60th Wettest Wettest since: 1987 2010
Oct 1984–Sep 1988
48-Month
130.71"
(3,320.03mm)
128.36"
(3,260.34mm)
2.35"
(59.69mm)
71st Driest Driest since: 1981 1958
53rd Wettest Wettest since: 1987 2010
Ties: 1981
Oct 1983–Sep 1988
60-Month
167.40"
(4,251.96mm)
160.34"
(4,072.64mm)
7.06"
(179.32mm)
86th Driest Driest since: 1981 1957
37th Wettest Wettest since: 1987 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/