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 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1975
1-Month
5.12"
(130.05mm)
3.84"
(97.54mm)
1.28"
(32.51mm)
103rd Driest Driest since: 1974 1984
26th Wettest Wettest since: 1960 2007
Jul–Aug 1975
2-Month
6.08"
(154.43mm)
7.70"
(195.58mm)
-1.62"
(-41.15mm)
33rd Driest Driest since: 1971 1947
96th Wettest Wettest since: 1974 1993
Ties: 1946
Jun–Aug 1975
3-Month
11.46"
(291.08mm)
12.33"
(313.18mm)
-0.87"
(-22.10mm)
52nd Driest Driest since: 1973 1927
77th Wettest Wettest since: 1974 1993
Ties: 2006
May–Aug 1975
4-Month
14.76"
(374.90mm)
16.38"
(416.05mm)
-1.62"
(-41.15mm)
42nd Driest Driest since: 1971 1936
87th Wettest Wettest since: 1974 1993
Apr–Aug 1975
5-Month
18.58"
(471.93mm)
19.32"
(490.73mm)
-0.74"
(-18.80mm)
54th Driest Driest since: 1971 1936
75th Wettest Wettest since: 1974 1993
Mar–Aug 1975
6-Month
20.72"
(526.29mm)
21.28"
(540.51mm)
-0.56"
(-14.22mm)
56th Driest Driest since: 1971 1936
73rd Wettest Wettest since: 1974 1993
Feb–Aug 1975
7-Month
21.86"
(555.24mm)
22.29"
(566.17mm)
-0.43"
(-10.93mm)
59th Driest Driest since: 1971 1988
70th Wettest Wettest since: 1974 1993
Jan–Aug 1975
8-Month
23.39"
(594.11mm)
23.27"
(591.06mm)
0.12"
(3.05mm)
63rd Driest Driest since: 1971 1988
66th Wettest Wettest since: 1974 1993
Dec 1974–Aug 1975
9-Month
24.51"
(622.55mm)
24.37"
(619.00mm)
0.14"
(3.55mm)
63rd Driest Driest since: 1971 1988
65th Wettest Wettest since: 1974 1993
Nov 1974–Aug 1975
10-Month
25.92"
(658.37mm)
26.11"
(663.19mm)
-0.19"
(-4.82mm)
62nd Driest Driest since: 1971 1934
66th Wettest Wettest since: 1974 1993
Oct 1974–Aug 1975
11-Month
28.82"
(732.03mm)
28.42"
(721.87mm)
0.40"
(10.16mm)
68th Driest Driest since: 1971 1934
60th Wettest Wettest since: 1974 1993
Sep 1974–Aug 1975
12-Month
30.41"
(772.41mm)
32.12"
(815.85mm)
-1.71"
(-43.44mm)
47th Driest Driest since: 1970 1934
81st Wettest Wettest since: 1974 1993
Mar 1974–Aug 1975
18-Month
53.49"
(1,358.65mm)
53.43"
(1,357.12mm)
0.06"
(1.53mm)
65th Driest Driest since: 1972 1911
63rd Wettest Wettest since: 1974 1993
Sep 1973–Aug 1975
24-Month
69.14"
(1,756.16mm)
64.28"
(1,632.71mm)
4.86"
(123.45mm)
92nd Driest Driest since: 1972 1934
35th Wettest Wettest since: 1974 1993
Sep 1972–Aug 1975
36-Month
111.01"
(2,819.65mm)
96.39"
(2,448.31mm)
14.62"
(371.34mm)
110th Driest Driest since: 1973 1957
16th Wettest Wettest since: 1974 2010
Sep 1971–Aug 1975
48-Month
146.32"
(3,716.53mm)
128.37"
(3,260.60mm)
17.95"
(455.93mm)
110th Driest Driest since: 1973 1936
15th Wettest Wettest since: 1974 2010
Sep 1970–Aug 1975
60-Month
177.82"
(4,516.63mm)
160.37"
(4,073.40mm)
17.45"
(443.23mm)
106th Driest Driest since: 1974 1957
18th Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/