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 1909

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 1909
1-Month
4.69"
(119.13mm)
3.86"
(98.04mm)
0.83"
(21.09mm)
96th Driest Driest since: 1908 1936
30th Wettest Wettest since: 1907 1993
Jun–Jul 1909
2-Month
10.98"
(278.89mm)
8.49"
(215.65mm)
2.49"
(63.24mm)
111th Driest Driest since: 1908 1936
15th Wettest Wettest since: 1907 1993
May–Jul 1909
3-Month
15.35"
(389.89mm)
12.53"
(318.26mm)
2.82"
(71.63mm)
99th Driest Driest since: 1906 1988
27th Wettest Wettest since: 1908 1993
Apr–Jul 1909
4-Month
19.84"
(503.94mm)
15.48"
(393.19mm)
4.36"
(110.75mm)
108th Driest Driest since: 1908 1936
18th Wettest Wettest since: 1902 1993
Mar–Jul 1909
5-Month
21.35"
(542.29mm)
17.43"
(442.72mm)
3.92"
(99.57mm)
105th Driest Driest since: 1908 1936
21st Wettest Wettest since: 1902 1993
Feb–Jul 1909
6-Month
22.91"
(581.91mm)
18.45"
(468.63mm)
4.46"
(113.28mm)
108th Driest Driest since: 1908 1988
18th Wettest Wettest since: 1902 1993
Jan–Jul 1909
7-Month
24.58"
(624.33mm)
19.43"
(493.52mm)
5.15"
(130.81mm)
113th Driest Driest since: 1908 1988
13th Wettest Wettest since: 1902 1993
Dec 1908–Jul 1909
8-Month
25.16"
(639.06mm)
20.53"
(521.46mm)
4.63"
(117.60mm)
108th Driest Driest since: 1908 1988
17th Wettest Wettest since: 1902 1993
Nov 1908–Jul 1909
9-Month
26.70"
(678.18mm)
22.27"
(565.66mm)
4.43"
(112.52mm)
105th Driest Driest since: 1908 1934
20th Wettest Wettest since: 1902 1993
Oct 1908–Jul 1909
10-Month
30.04"
(763.02mm)
24.58"
(624.33mm)
5.46"
(138.69mm)
108th Driest Driest since: 1908 1934
17th Wettest Wettest to Date 1993
Sep 1908–Jul 1909
11-Month
31.29"
(794.77mm)
28.28"
(718.31mm)
3.01"
(76.46mm)
89th Driest Driest since: 1908 1988
36th Wettest Wettest since: 1903 1993
Aug 1908–Jul 1909
12-Month
36.04"
(915.42mm)
32.14"
(816.36mm)
3.90"
(99.06mm)
94th Driest Driest since: 1908 1956
31st Wettest Wettest since: 1903 2008
Feb 1908–Jul 1909
18-Month
58.87"
(1,495.30mm)
50.60"
(1,285.24mm)
8.27"
(210.06mm)
107th Driest Driest since: 1908 1911
18th Wettest Wettest since: 1903 2008
Aug 1907–Jul 1909
24-Month
70.07"
(1,779.78mm)
64.31"
(1,633.47mm)
5.76"
(146.31mm)
97th Driest Driest since: 1908 1934
27th Wettest Wettest since: 1904 2008
Aug 1906–Jul 1909
36-Month
104.48"
(2,653.79mm)
96.40"
(2,448.56mm)
8.08"
(205.23mm)
95th Driest Driest since: 1908 1956
28th Wettest Wettest since: 1904 2010
Aug 1905–Jul 1909
48-Month
136.80"
(3,474.72mm)
128.38"
(3,260.85mm)
8.42"
(213.87mm)
92nd Driest Driest since: 1908 1957
30th Wettest Wettest since: 1905 2010
Aug 1904–Jul 1909
60-Month
168.03"
(4,267.96mm)
160.37"
(4,073.40mm)
7.66"
(194.56mm)
85th Driest Driest since: 1908 1957
36th Wettest Wettest since: 1907 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/