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


Iowa

Precipitation Rankings, August 2002

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 2002
1-Month
5.81"
(147.57mm)
3.84"
(97.54mm)
1.97"
(50.03mm)
112th Driest Driest since: 2001 1984
17th Wettest Wettest since: 1993 2007
Jul–Aug 2002
2-Month
10.05"
(255.27mm)
7.70"
(195.58mm)
2.35"
(59.69mm)
105th Driest Driest since: 2001 1947
24th Wettest Wettest since: 1993 1993
Jun–Aug 2002
3-Month
13.56"
(344.42mm)
12.33"
(313.18mm)
1.23"
(31.24mm)
90th Driest Driest since: 2001 1927
39th Wettest Wettest since: 1999 1993
May–Aug 2002
4-Month
17.66"
(448.56mm)
16.38"
(416.05mm)
1.28"
(32.51mm)
81st Driest Driest since: 2001 1936
48th Wettest Wettest since: 1999 1993
Apr–Aug 2002
5-Month
21.28"
(540.51mm)
19.32"
(490.73mm)
1.96"
(49.78mm)
84th Driest Driest since: 2001 1936
45th Wettest Wettest since: 1999 1993
Mar–Aug 2002
6-Month
22.44"
(569.98mm)
21.28"
(540.51mm)
1.16"
(29.47mm)
76th Driest Driest since: 2001 1936
53rd Wettest Wettest since: 1999 1993
Feb–Aug 2002
7-Month
23.33"
(592.58mm)
22.29"
(566.17mm)
1.04"
(26.41mm)
73rd Driest Driest since: 2000 1988
56th Wettest Wettest since: 2001 1993
Jan–Aug 2002
8-Month
23.73"
(602.74mm)
23.27"
(591.06mm)
0.46"
(11.68mm)
66th Driest Driest since: 2000 1988
63rd Wettest Wettest since: 2001 1993
Dec 2001–Aug 2002
9-Month
24.56"
(623.82mm)
24.37"
(619.00mm)
0.19"
(4.82mm)
64th Driest Driest since: 2000 1988
64th Wettest Wettest since: 2001 1993
Nov 2001–Aug 2002
10-Month
26.11"
(663.19mm)
26.11"
(663.19mm)
0.00"
(0.00mm)
65th Driest Driest since: 2000 1934
63rd Wettest Wettest since: 2001 1993
Ties: 1964
Oct 2001–Aug 2002
11-Month
28.57"
(725.68mm)
28.42"
(721.87mm)
0.15"
(3.81mm)
64th Driest Driest since: 2000 1934
64th Wettest Wettest since: 2001 1993
Sep 2001–Aug 2002
12-Month
32.64"
(829.06mm)
32.12"
(815.85mm)
0.52"
(13.21mm)
69th Driest Driest since: 2000 1934
59th Wettest Wettest since: 2001 1993
Mar 2001–Aug 2002
18-Month
54.74"
(1,390.40mm)
53.43"
(1,357.12mm)
1.31"
(33.28mm)
72nd Driest Driest since: 2001 1911
56th Wettest Wettest since: 1999 1993
Sep 2000–Aug 2002
24-Month
66.05"
(1,677.67mm)
64.28"
(1,632.71mm)
1.77"
(44.96mm)
68th Driest Driest since: 2001 1934
59th Wettest Wettest since: 1999 1993
Sep 1999–Aug 2002
36-Month
92.39"
(2,346.71mm)
96.39"
(2,448.31mm)
-4.00"
(-101.60mm)
36th Driest Driest since: 1990 1957
90th Wettest Wettest since: 2001 2010
Sep 1998–Aug 2002
48-Month
129.25"
(3,282.95mm)
128.37"
(3,260.60mm)
0.88"
(22.35mm)
64th Driest Driest since: 1997 1936
61st Wettest Wettest since: 2001 2010
Sep 1997–Aug 2002
60-Month
168.40"
(4,277.36mm)
160.37"
(4,073.40mm)
8.03"
(203.96mm)
87th Driest Driest since: 2001 1957
37th Wettest Wettest since: 1999 2011

Citing This Page

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