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, August 1989

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
August 1989
1-Month
3.58"
(90.93mm)
3.84"
(97.54mm)
-0.26"
(-6.61mm)
63rd Driest Driest since: 1984 1984
65th Wettest Wettest since: 1988 2007
Jul–Aug 1989
2-Month
6.92"
(175.77mm)
7.70"
(195.58mm)
-0.78"
(-19.81mm)
53rd Driest Driest since: 1988 1947
75th Wettest Wettest since: 1987 1993
Ties: 1934
Jun–Aug 1989
3-Month
10.28"
(261.11mm)
12.33"
(313.18mm)
-2.05"
(-52.07mm)
27th Driest Driest since: 1988 1927
101st Wettest Wettest since: 1987 1993
Ties: 1912
May–Aug 1989
4-Month
12.85"
(326.39mm)
16.38"
(416.05mm)
-3.53"
(-89.66mm)
18th Driest Driest since: 1988 1936
110th Wettest Wettest since: 1987 1993
Apr–Aug 1989
5-Month
14.94"
(379.48mm)
19.32"
(490.73mm)
-4.38"
(-111.25mm)
13th Driest Driest since: 1988 1936
115th Wettest Wettest since: 1987 1993
Mar–Aug 1989
6-Month
15.84"
(402.34mm)
21.28"
(540.51mm)
-5.44"
(-138.17mm)
9th Driest Driest since: 1988 1936
119th Wettest Wettest since: 1987 1993
Feb–Aug 1989
7-Month
16.38"
(416.05mm)
22.29"
(566.17mm)
-5.91"
(-150.12mm)
7th Driest Driest since: 1988 1988
121st Wettest Wettest since: 1987 1993
Jan–Aug 1989
8-Month
17.30"
(439.42mm)
23.27"
(591.06mm)
-5.97"
(-151.64mm)
7th Driest Driest since: 1988 1988
121st Wettest Wettest since: 1987 1993
Dec 1988–Aug 1989
9-Month
18.10"
(459.74mm)
24.37"
(619.00mm)
-6.27"
(-159.26mm)
7th Driest Driest since: 1988 1988
120th Wettest Wettest since: 1987 1993
Nov 1988–Aug 1989
10-Month
20.71"
(526.03mm)
26.11"
(663.19mm)
-5.40"
(-137.16mm)
14th Driest Driest since: 1988 1934
113th Wettest Wettest since: 1987 1993
Oct 1988–Aug 1989
11-Month
21.36"
(542.54mm)
28.42"
(721.87mm)
-7.06"
(-179.33mm)
7th Driest Driest since: 1988 1934
120th Wettest Wettest since: 1987 1993
Ties: 1901
Sep 1988–Aug 1989
12-Month
24.97"
(634.24mm)
32.12"
(815.85mm)
-7.15"
(-181.61mm)
9th Driest Driest since: 1988 1934
118th Wettest Wettest since: 1987 1993
Mar 1988–Aug 1989
18-Month
37.55"
(953.77mm)
53.43"
(1,357.12mm)
-15.88"
(-403.35mm)
2nd Driest Driest since: 1911 1911
125th Wettest Wettest since: 1988 1993
Sep 1987–Aug 1989
24-Month
46.58"
(1,183.13mm)
64.28"
(1,632.71mm)
-17.70"
(-449.58mm)
2nd Driest Driest since: 1934 1934
124th Wettest Wettest since: 1988 1993
Sep 1986–Aug 1989
36-Month
84.15"
(2,137.41mm)
96.39"
(2,448.31mm)
-12.24"
(-310.90mm)
8th Driest Driest since: 1958 1957
117th Wettest Wettest since: 1988 2010
Sep 1985–Aug 1989
48-Month
123.51"
(3,137.15mm)
128.37"
(3,260.60mm)
-4.86"
(-123.45mm)
32nd Driest Driest since: 1978 1936
92nd Wettest Wettest since: 1988 2010
Sep 1984–Aug 1989
60-Month
154.14"
(3,915.16mm)
160.37"
(4,073.40mm)
-6.23"
(-158.24mm)
29th Driest Driest since: 1968 1957
94th Wettest Wettest since: 1988 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 29, 2022 from https://www.ncei.noaa.gov/cag/