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 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1921
1-Month
2.59"
(65.79mm)
3.86"
(98.04mm)
-1.27"
(-32.25mm)
27th Driest Driest since: 1917 1936
99th Wettest Wettest since: 1920 1993
Jun–Jul 1921
2-Month
6.22"
(157.99mm)
8.49"
(215.65mm)
-2.27"
(-57.66mm)
15th Driest Driest since: 1916 1936
111th Wettest Wettest since: 1920 1993
May–Jul 1921
3-Month
10.52"
(267.21mm)
12.53"
(318.26mm)
-2.01"
(-51.05mm)
31st Driest Driest since: 1916 1988
95th Wettest Wettest since: 1920 1993
Apr–Jul 1921
4-Month
13.89"
(352.81mm)
15.48"
(393.19mm)
-1.59"
(-40.38mm)
37th Driest Driest since: 1916 1936
89th Wettest Wettest since: 1920 1993
Mar–Jul 1921
5-Month
15.48"
(393.19mm)
17.43"
(442.72mm)
-1.95"
(-49.53mm)
33rd Driest Driest since: 1916 1936
93rd Wettest Wettest since: 1920 1993
Feb–Jul 1921
6-Month
16.23"
(412.24mm)
18.45"
(468.63mm)
-2.22"
(-56.39mm)
29th Driest Driest since: 1916 1988
97th Wettest Wettest since: 1920 1993
Jan–Jul 1921
7-Month
16.71"
(424.43mm)
19.43"
(493.52mm)
-2.72"
(-69.09mm)
23rd Driest Driest since: 1912 1988
103rd Wettest Wettest since: 1920 1993
Dec 1920–Jul 1921
8-Month
17.89"
(454.41mm)
20.53"
(521.46mm)
-2.64"
(-67.05mm)
23rd Driest Driest since: 1911 1988
102nd Wettest Wettest since: 1920 1993
Nov 1920–Jul 1921
9-Month
20.11"
(510.79mm)
22.27"
(565.66mm)
-2.16"
(-54.87mm)
36th Driest Driest since: 1916 1934
89th Wettest Wettest since: 1920 1993
Ties: 1927
Oct 1920–Jul 1921
10-Month
22.22"
(564.39mm)
24.58"
(624.33mm)
-2.36"
(-59.94mm)
33rd Driest Driest since: 1916 1934
92nd Wettest Wettest since: 1920 1993
Sep 1920–Jul 1921
11-Month
25.45"
(646.43mm)
28.28"
(718.31mm)
-2.83"
(-71.88mm)
38th Driest Driest since: 1918 1988
87th Wettest Wettest since: 1920 1993
Aug 1920–Jul 1921
12-Month
28.85"
(732.79mm)
32.14"
(816.36mm)
-3.29"
(-83.57mm)
31st Driest Driest since: 1918 1956
94th Wettest Wettest since: 1920 2008
Feb 1920–Jul 1921
18-Month
47.34"
(1,202.44mm)
50.60"
(1,285.24mm)
-3.26"
(-82.80mm)
36th Driest Driest since: 1918 1911
89th Wettest Wettest since: 1920 2008
Aug 1919–Jul 1921
24-Month
62.85"
(1,596.39mm)
64.31"
(1,633.47mm)
-1.46"
(-37.08mm)
52nd Driest Driest since: 1919 1934
72nd Wettest Wettest since: 1920 2008
Aug 1918–Jul 1921
36-Month
96.46"
(2,450.08mm)
96.40"
(2,448.56mm)
0.06"
(1.52mm)
63rd Driest Driest since: 1920 1956
60th Wettest Wettest since: 1917 2010
Aug 1917–Jul 1921
48-Month
124.10"
(3,152.14mm)
128.38"
(3,260.85mm)
-4.28"
(-108.71mm)
37th Driest Driest since: 1919 1957
85th Wettest Wettest since: 1920 2010
Aug 1916–Jul 1921
60-Month
155.55"
(3,950.97mm)
160.37"
(4,073.40mm)
-4.82"
(-122.43mm)
35th Driest Driest since: 1914 1957
86th Wettest Wettest since: 1920 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/