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 September 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, July 1947

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1947
1-Month
1.65"
(41.91mm)
3.86"
(98.04mm)
-2.21"
(-56.13mm)
5th Driest Driest since: 1936 1936
121st Wettest Wettest since: 1946 1993
Jun–Jul 1947
2-Month
11.55"
(293.37mm)
8.49"
(215.65mm)
3.06"
(77.72mm)
114th Driest Driest since: 1946 1936
12th Wettest Wettest since: 1924 1993
May–Jul 1947
3-Month
15.78"
(400.81mm)
12.53"
(318.26mm)
3.25"
(82.55mm)
111th Driest Driest since: 1946 1988
15th Wettest Wettest since: 1915 1993
Apr–Jul 1947
4-Month
20.69"
(525.53mm)
15.48"
(393.19mm)
5.21"
(132.34mm)
115th Driest Driest since: 1946 1936
11th Wettest Wettest since: 1915 1993
Mar–Jul 1947
5-Month
22.04"
(559.82mm)
17.43"
(442.72mm)
4.61"
(117.10mm)
112th Driest Driest since: 1946 1936
14th Wettest Wettest since: 1944 1993
Feb–Jul 1947
6-Month
22.34"
(567.44mm)
18.45"
(468.63mm)
3.89"
(98.81mm)
103rd Driest Driest since: 1946 1988
23rd Wettest Wettest since: 1945 1993
Jan–Jul 1947
7-Month
23.77"
(603.76mm)
19.43"
(493.52mm)
4.34"
(110.24mm)
108th Driest Driest since: 1946 1988
18th Wettest Wettest since: 1944 1993
Dec 1946–Jul 1947
8-Month
24.39"
(619.51mm)
20.53"
(521.46mm)
3.86"
(98.05mm)
101st Driest Driest since: 1946 1988
24th Wettest Wettest since: 1945 1993
Nov 1946–Jul 1947
9-Month
26.12"
(663.45mm)
22.27"
(565.66mm)
3.85"
(97.79mm)
98th Driest Driest since: 1946 1934
27th Wettest Wettest since: 1944 1993
Oct 1946–Jul 1947
10-Month
29.43"
(747.52mm)
24.58"
(624.33mm)
4.85"
(123.19mm)
104th Driest Driest since: 1946 1934
21st Wettest Wettest since: 1942 1993
Sep 1946–Jul 1947
11-Month
34.45"
(875.03mm)
28.28"
(718.31mm)
6.17"
(156.72mm)
109th Driest Driest since: 1946 1988
16th Wettest Wettest since: 1942 1993
Aug 1946–Jul 1947
12-Month
38.05"
(966.47mm)
32.14"
(816.36mm)
5.91"
(150.11mm)
106th Driest Driest since: 1946 1956
19th Wettest Wettest since: 1942 2008
Feb 1946–Jul 1947
18-Month
56.84"
(1,443.74mm)
50.60"
(1,285.24mm)
6.24"
(158.50mm)
97th Driest Driest since: 1946 1911
28th Wettest Wettest since: 1945 2008
Aug 1945–Jul 1947
24-Month
69.67"
(1,769.62mm)
64.31"
(1,633.47mm)
5.36"
(136.15mm)
96th Driest Driest since: 1946 1934
28th Wettest Wettest since: 1945 2008
Aug 1944–Jul 1947
36-Month
104.74"
(2,660.40mm)
96.40"
(2,448.56mm)
8.34"
(211.84mm)
96th Driest Driest since: 1946 1956
27th Wettest Wettest since: 1944 2010
Aug 1943–Jul 1947
48-Month
139.99"
(3,555.75mm)
128.38"
(3,260.85mm)
11.61"
(294.90mm)
99th Driest Driest since: 1946 1957
23rd Wettest Wettest since: 1945 2010
Aug 1942–Jul 1947
60-Month
172.65"
(4,385.31mm)
160.37"
(4,073.40mm)
12.28"
(311.91mm)
94th Driest Driest since: 1944 1957
27th Wettest Wettest since: 1946 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/