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 1920

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 1920
1-Month
3.97"
(100.84mm)
3.86"
(98.04mm)
0.11"
(2.80mm)
75th Driest Driest since: 1919 1936
51st Wettest Wettest since: 1915 1993
Jun–Jul 1920
2-Month
7.32"
(185.93mm)
8.49"
(215.65mm)
-1.17"
(-29.72mm)
39th Driest Driest since: 1916 1936
87th Wettest Wettest since: 1919 1993
Ties: 2019
May–Jul 1920
3-Month
10.62"
(269.75mm)
12.53"
(318.26mm)
-1.91"
(-48.51mm)
32nd Driest Driest since: 1916 1988
94th Wettest Wettest since: 1919 1993
Apr–Jul 1920
4-Month
15.02"
(381.51mm)
15.48"
(393.19mm)
-0.46"
(-11.68mm)
57th Driest Driest since: 1916 1936
69th Wettest Wettest since: 1919 1993
Mar–Jul 1920
5-Month
17.97"
(456.44mm)
17.43"
(442.72mm)
0.54"
(13.72mm)
64th Driest Driest since: 1916 1936
62nd Wettest Wettest since: 1919 1993
Feb–Jul 1920
6-Month
18.49"
(469.65mm)
18.45"
(468.63mm)
0.04"
(1.02mm)
58th Driest Driest since: 1916 1988
68th Wettest Wettest since: 1919 1993
Jan–Jul 1920
7-Month
18.92"
(480.57mm)
19.43"
(493.52mm)
-0.51"
(-12.95mm)
54th Driest Driest since: 1916 1988
72nd Wettest Wettest since: 1919 1993
Dec 1919–Jul 1920
8-Month
19.49"
(495.05mm)
20.53"
(521.46mm)
-1.04"
(-26.41mm)
46th Driest Driest since: 1916 1988
79th Wettest Wettest since: 1919 1993
Nov 1919–Jul 1920
9-Month
22.90"
(581.66mm)
22.27"
(565.66mm)
0.63"
(16.00mm)
65th Driest Driest since: 1918 1934
60th Wettest Wettest since: 1919 1993
Oct 1919–Jul 1920
10-Month
26.07"
(662.18mm)
24.58"
(624.33mm)
1.49"
(37.85mm)
77th Driest Driest since: 1918 1934
48th Wettest Wettest since: 1919 1993
Sep 1919–Jul 1920
11-Month
31.37"
(796.80mm)
28.28"
(718.31mm)
3.09"
(78.49mm)
90th Driest Driest since: 1919 1988
35th Wettest Wettest since: 1915 1993
Aug 1919–Jul 1920
12-Month
34.00"
(863.60mm)
32.14"
(816.36mm)
1.86"
(47.24mm)
76th Driest Driest since: 1919 1956
49th Wettest Wettest since: 1915 2008
Feb 1919–Jul 1920
18-Month
55.08"
(1,399.03mm)
50.60"
(1,285.24mm)
4.48"
(113.79mm)
91st Driest Driest since: 1919 1911
34th Wettest Wettest since: 1915 2008
Ties: 1944
Aug 1918–Jul 1920
24-Month
67.61"
(1,717.29mm)
64.31"
(1,633.47mm)
3.30"
(83.82mm)
84th Driest Driest since: 1919 1934
40th Wettest Wettest since: 1916 2008
Aug 1917–Jul 1920
36-Month
95.25"
(2,419.35mm)
96.40"
(2,448.56mm)
-1.15"
(-29.21mm)
52nd Driest Driest since: 1919 1956
71st Wettest Wettest since: 1917 2010
Aug 1916–Jul 1920
48-Month
126.70"
(3,218.18mm)
128.38"
(3,260.85mm)
-1.68"
(-42.67mm)
51st Driest Driest since: 1919 1957
71st Wettest Wettest since: 1918 2010
Aug 1915–Jul 1920
60-Month
156.72"
(3,980.69mm)
160.37"
(4,073.40mm)
-3.65"
(-92.71mm)
40th Driest Driest since: 1914 1957
81st Wettest Wettest since: 1919 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/