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 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
August 1899
1-Month
3.54"
(89.92mm)
3.84"
(97.54mm)
-0.30"
(-7.62mm)
61st Driest Driest since: 1898 1984
67th Wettest Wettest since: 1895 2007
Jul–Aug 1899
2-Month
6.64"
(168.66mm)
7.70"
(195.58mm)
-1.06"
(-26.92mm)
44th Driest Driest since: 1898 1947
84th Wettest Wettest since: 1896 1993
Jun–Aug 1899
3-Month
11.81"
(299.97mm)
12.33"
(313.18mm)
-0.52"
(-13.21mm)
59th Driest Driest since: 1898 1927
69th Wettest Wettest since: 1896 1993
May–Aug 1899
4-Month
17.85"
(453.39mm)
16.38"
(416.05mm)
1.47"
(37.34mm)
83rd Driest Driest since: 1898 1936
45th Wettest Wettest since: 1896 1993
Ties: 1979
Apr–Aug 1899
5-Month
20.22"
(513.59mm)
19.32"
(490.73mm)
0.90"
(22.86mm)
70th Driest Driest since: 1898 1936
58th Wettest Wettest since: 1896 1993
Mar–Aug 1899
6-Month
21.80"
(553.72mm)
21.28"
(540.51mm)
0.52"
(13.21mm)
66th Driest Driest since: 1898 1936
62nd Wettest Wettest since: 1896 1993
Feb–Aug 1899
7-Month
22.64"
(575.06mm)
22.29"
(566.17mm)
0.35"
(8.89mm)
65th Driest Driest since: 1898 1988
63rd Wettest Wettest since: 1896 1993
Ties: 1940
Jan–Aug 1899
8-Month
22.89"
(581.41mm)
23.27"
(591.06mm)
-0.38"
(-9.65mm)
59th Driest Driest since: 1898 1988
69th Wettest Wettest since: 1896 1993
Ties: 1935
Dec 1898–Aug 1899
9-Month
23.35"
(593.09mm)
24.37"
(619.00mm)
-1.02"
(-25.91mm)
51st Driest Driest since: 1897 1988
76th Wettest Wettest since: 1898 1993
Nov 1898–Aug 1899
10-Month
24.81"
(630.17mm)
26.11"
(663.19mm)
-1.30"
(-33.02mm)
46th Driest Driest since: 1898 1934
81st Wettest Wettest since: 1896 1993
Oct 1898–Aug 1899
11-Month
28.39"
(721.11mm)
28.42"
(721.87mm)
-0.03"
(-0.76mm)
60th Driest Driest since: 1898 1934
67th Wettest Wettest since: 1896 1993
Sep 1898–Aug 1899
12-Month
31.01"
(787.65mm)
32.12"
(815.85mm)
-1.11"
(-28.20mm)
52nd Driest Driest since: 1898 1934
75th Wettest Wettest since: 1896 1993
Mar 1898–Aug 1899
18-Month
50.28"
(1,277.11mm)
53.43"
(1,357.12mm)
-3.15"
(-80.01mm)
42nd Driest Driest since: 1898 1911
85th Wettest Wettest since: 1897 1993
Sep 1897–Aug 1899
24-Month
58.22"
(1,478.79mm)
64.28"
(1,632.71mm)
-6.06"
(-153.92mm)
23rd Driest Driest since: 1898 1934
103rd Wettest Wettest since: 1897 1993
Sep 1896–Aug 1899
36-Month
89.04"
(2,261.62mm)
96.39"
(2,448.31mm)
-7.35"
(-186.69mm)
22nd Driest Driest to Date 1957
103rd Wettest Wettest since: 1898 2010
Sep 1895–Aug 1899
48-Month
122.52"
(3,112.01mm)
128.37"
(3,260.60mm)
-5.85"
(-148.59mm)
27th Driest Driest to Date 1936
97th Wettest Wettest to Date 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 28, 2022 from https://www.ncei.noaa.gov/cag/