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 1930

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1930
1-Month
1.52"
(38.61mm)
3.86"
(98.04mm)
-2.34"
(-59.43mm)
4th Driest Driest to Date 1936
122nd Wettest Wettest since: 1929 1993
Jun–Jul 1930
2-Month
7.22"
(183.39mm)
8.49"
(215.65mm)
-1.27"
(-32.26mm)
38th Driest Driest since: 1929 1936
88th Wettest Wettest since: 1928 1993
May–Jul 1930
3-Month
10.98"
(278.89mm)
12.53"
(318.26mm)
-1.55"
(-39.37mm)
36th Driest Driest since: 1929 1988
90th Wettest Wettest since: 1928 1993
Apr–Jul 1930
4-Month
13.72"
(348.49mm)
15.48"
(393.19mm)
-1.76"
(-44.70mm)
35th Driest Driest since: 1927 1936
91st Wettest Wettest since: 1929 1993
Mar–Jul 1930
5-Month
14.61"
(371.09mm)
17.43"
(442.72mm)
-2.82"
(-71.63mm)
23rd Driest Driest since: 1926 1936
103rd Wettest Wettest since: 1929 1993
Feb–Jul 1930
6-Month
15.27"
(387.86mm)
18.45"
(468.63mm)
-3.18"
(-80.77mm)
20th Driest Driest since: 1926 1988
106th Wettest Wettest since: 1929 1993
Jan–Jul 1930
7-Month
16.56"
(420.62mm)
19.43"
(493.52mm)
-2.87"
(-72.90mm)
21st Driest Driest since: 1926 1988
105th Wettest Wettest since: 1929 1993
Dec 1929–Jul 1930
8-Month
16.96"
(430.78mm)
20.53"
(521.46mm)
-3.57"
(-90.68mm)
16th Driest Driest since: 1926 1988
109th Wettest Wettest since: 1929 1993
Nov 1929–Jul 1930
9-Month
18.14"
(460.76mm)
22.27"
(565.66mm)
-4.13"
(-104.90mm)
16th Driest Driest since: 1926 1934
109th Wettest Wettest since: 1929 1993
Oct 1929–Jul 1930
10-Month
21.08"
(535.43mm)
24.58"
(624.33mm)
-3.50"
(-88.90mm)
21st Driest Driest since: 1926 1934
104th Wettest Wettest since: 1929 1993
Sep 1929–Jul 1930
11-Month
24.86"
(631.44mm)
28.28"
(718.31mm)
-3.42"
(-86.87mm)
30th Driest Driest since: 1926 1988
95th Wettest Wettest since: 1929 1993
Aug 1929–Jul 1930
12-Month
27.35"
(694.69mm)
32.14"
(816.36mm)
-4.79"
(-121.67mm)
20th Driest Driest since: 1925 1956
105th Wettest Wettest since: 1929 2008
Feb 1929–Jul 1930
18-Month
44.00"
(1,117.60mm)
50.60"
(1,285.24mm)
-6.60"
(-167.64mm)
14th Driest Driest since: 1926 1911
111th Wettest Wettest since: 1929 2008
Aug 1928–Jul 1930
24-Month
63.55"
(1,614.17mm)
64.31"
(1,633.47mm)
-0.76"
(-19.30mm)
58th Driest Driest since: 1927 1934
66th Wettest Wettest since: 1929 2008
Ties: 1906
Aug 1927–Jul 1930
36-Month
93.83"
(2,383.28mm)
96.40"
(2,448.56mm)
-2.57"
(-65.28mm)
45th Driest Driest since: 1928 1956
78th Wettest Wettest since: 1929 2010
Aug 1926–Jul 1930
48-Month
128.80"
(3,271.52mm)
128.38"
(3,260.85mm)
0.42"
(10.67mm)
61st Driest Driest since: 1928 1957
61st Wettest Wettest since: 1929 2010
Aug 1925–Jul 1930
60-Month
156.54"
(3,976.12mm)
160.37"
(4,073.40mm)
-3.83"
(-97.28mm)
39th Driest Driest since: 1929 1957
82nd Wettest Wettest since: 1924 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/