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 1947

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
August 1947
1-Month
1.50"
(38.10mm)
3.84"
(97.54mm)
-2.34"
(-59.44mm)
8th Driest Driest since: 1901 1984
120th Wettest Wettest since: 1946 2007
Jul–Aug 1947
2-Month
3.15"
(80.01mm)
7.70"
(195.58mm)
-4.55"
(-115.57mm)
1st Driest Driest to Date 1947
127th Wettest Wettest since: 1946 1993
Jun–Aug 1947
3-Month
13.05"
(331.47mm)
12.33"
(313.18mm)
0.72"
(18.29mm)
82nd Driest Driest since: 1946 1927
46th Wettest Wettest since: 1944 1993
May–Aug 1947
4-Month
17.28"
(438.91mm)
16.38"
(416.05mm)
0.90"
(22.86mm)
75th Driest Driest since: 1946 1936
53rd Wettest Wettest since: 1944 1993
Apr–Aug 1947
5-Month
22.19"
(563.63mm)
19.32"
(490.73mm)
2.87"
(72.90mm)
102nd Driest Driest since: 1946 1936
26th Wettest Wettest since: 1944 1993
Mar–Aug 1947
6-Month
23.54"
(597.92mm)
21.28"
(540.51mm)
2.26"
(57.41mm)
88th Driest Driest since: 1946 1936
40th Wettest Wettest since: 1945 1993
Feb–Aug 1947
7-Month
23.84"
(605.54mm)
22.29"
(566.17mm)
1.55"
(39.37mm)
78th Driest Driest since: 1946 1988
50th Wettest Wettest since: 1945 1993
Jan–Aug 1947
8-Month
25.27"
(641.86mm)
23.27"
(591.06mm)
2.00"
(50.80mm)
88th Driest Driest since: 1946 1988
40th Wettest Wettest since: 1945 1993
Dec 1946–Aug 1947
9-Month
25.89"
(657.61mm)
24.37"
(619.00mm)
1.52"
(38.61mm)
77th Driest Driest since: 1942 1988
50th Wettest Wettest since: 1946 1993
Nov 1946–Aug 1947
10-Month
27.62"
(701.55mm)
26.11"
(663.19mm)
1.51"
(38.36mm)
78th Driest Driest since: 1946 1934
49th Wettest Wettest since: 1945 1993
Oct 1946–Aug 1947
11-Month
30.93"
(785.62mm)
28.42"
(721.87mm)
2.51"
(63.75mm)
88th Driest Driest since: 1946 1934
39th Wettest Wettest since: 1944 1993
Sep 1946–Aug 1947
12-Month
35.95"
(913.13mm)
32.12"
(815.85mm)
3.83"
(97.28mm)
95th Driest Driest since: 1946 1934
32nd Wettest Wettest since: 1942 1993
Mar 1946–Aug 1947
18-Month
57.97"
(1,472.44mm)
53.43"
(1,357.12mm)
4.54"
(115.32mm)
89th Driest Driest since: 1946 1911
38th Wettest Wettest since: 1945 1993
Sep 1945–Aug 1947
24-Month
67.92"
(1,725.17mm)
64.28"
(1,632.71mm)
3.64"
(92.46mm)
86th Driest Driest since: 1946 1934
40th Wettest Wettest since: 1945 1993
Sep 1944–Aug 1947
36-Month
100.51"
(2,552.95mm)
96.39"
(2,448.31mm)
4.12"
(104.64mm)
84th Driest Driest since: 1946 1957
41st Wettest Wettest since: 1945 2010
Sep 1943–Aug 1947
48-Month
136.43"
(3,465.32mm)
128.37"
(3,260.60mm)
8.06"
(204.72mm)
92nd Driest Driest since: 1946 1936
32nd Wettest Wettest since: 1945 2010
Sep 1942–Aug 1947
60-Month
170.93"
(4,341.62mm)
160.37"
(4,073.40mm)
10.56"
(268.22mm)
93rd Driest Driest since: 1945 1957
30th Wettest Wettest since: 1946 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 25, 2022 from https://www.ncdc.noaa.gov/cag/