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 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1981
1-Month
5.15"
(130.81mm)
3.84"
(97.54mm)
1.31"
(33.27mm)
104th Driest Driest since: 1978 1984
25th Wettest Wettest since: 1980 2007
Jul–Aug 1981
2-Month
10.07"
(255.78mm)
7.70"
(195.58mm)
2.37"
(60.20mm)
106th Driest Driest since: 1978 1947
23rd Wettest Wettest since: 1980 1993
Jun–Aug 1981
3-Month
15.50"
(393.70mm)
12.33"
(313.18mm)
3.17"
(80.52mm)
110th Driest Driest since: 1980 1927
19th Wettest Wettest since: 1969 1993
May–Aug 1981
4-Month
18.04"
(458.22mm)
16.38"
(416.05mm)
1.66"
(42.17mm)
87th Driest Driest since: 1980 1936
42nd Wettest Wettest since: 1972 1993
Apr–Aug 1981
5-Month
21.45"
(544.83mm)
19.32"
(490.73mm)
2.13"
(54.10mm)
88th Driest Driest since: 1980 1936
41st Wettest Wettest since: 1978 1993
Mar–Aug 1981
6-Month
22.20"
(563.88mm)
21.28"
(540.51mm)
0.92"
(23.37mm)
73rd Driest Driest since: 1980 1936
56th Wettest Wettest since: 1979 1993
Feb–Aug 1981
7-Month
23.61"
(599.69mm)
22.29"
(566.17mm)
1.32"
(33.52mm)
75th Driest Driest since: 1980 1988
54th Wettest Wettest since: 1979 1993
Jan–Aug 1981
8-Month
23.71"
(602.23mm)
23.27"
(591.06mm)
0.44"
(11.17mm)
65th Driest Driest since: 1980 1988
64th Wettest Wettest since: 1979 1993
Dec 1980–Aug 1981
9-Month
24.80"
(629.92mm)
24.37"
(619.00mm)
0.43"
(10.92mm)
66th Driest Driest since: 1980 1988
62nd Wettest Wettest since: 1979 1993
Nov 1980–Aug 1981
10-Month
25.23"
(640.84mm)
26.11"
(663.19mm)
-0.88"
(-22.35mm)
53rd Driest Driest since: 1980 1934
75th Wettest Wettest since: 1979 1993
Oct 1980–Aug 1981
11-Month
27.19"
(690.63mm)
28.42"
(721.87mm)
-1.23"
(-31.24mm)
48th Driest Driest since: 1977 1934
80th Wettest Wettest since: 1980 1993
Ties: 1964
Sep 1980–Aug 1981
12-Month
30.32"
(770.13mm)
32.12"
(815.85mm)
-1.80"
(-45.72mm)
46th Driest Driest since: 1980 1934
82nd Wettest Wettest since: 1979 1993
Mar 1980–Aug 1981
18-Month
50.76"
(1,289.30mm)
53.43"
(1,357.12mm)
-2.67"
(-67.82mm)
46th Driest Driest since: 1977 1911
82nd Wettest Wettest since: 1980 1993
Sep 1979–Aug 1981
24-Month
60.33"
(1,532.38mm)
64.28"
(1,632.71mm)
-3.95"
(-100.33mm)
38th Driest Driest since: 1977 1934
89th Wettest Wettest since: 1980 1993
Sep 1978–Aug 1981
36-Month
97.40"
(2,473.96mm)
96.39"
(2,448.31mm)
1.01"
(25.65mm)
68th Driest Driest since: 1978 1957
58th Wettest Wettest since: 1980 2010
Sep 1977–Aug 1981
48-Month
132.81"
(3,373.37mm)
128.37"
(3,260.60mm)
4.44"
(112.77mm)
80th Driest Driest since: 1980 1936
45th Wettest Wettest since: 1976 2010
Sep 1976–Aug 1981
60-Month
161.29"
(4,096.77mm)
160.37"
(4,073.40mm)
0.92"
(23.37mm)
61st Driest Driest since: 1980 1957
63rd Wettest Wettest since: 1977 2011

Citing This Page

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