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 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1901
1-Month
2.30"
(58.42mm)
3.86"
(98.04mm)
-1.56"
(-39.62mm)
18th Driest Driest to Date 1936
108th Wettest Wettest since: 1900 1993
Jun–Jul 1901
2-Month
6.10"
(154.94mm)
8.49"
(215.65mm)
-2.39"
(-60.71mm)
14th Driest Driest to Date 1936
112th Wettest Wettest since: 1900 1993
May–Jul 1901
3-Month
8.49"
(215.65mm)
12.53"
(318.26mm)
-4.04"
(-102.61mm)
7th Driest Driest to Date 1988
119th Wettest Wettest since: 1900 1993
Apr–Jul 1901
4-Month
10.30"
(261.62mm)
15.48"
(393.19mm)
-5.18"
(-131.57mm)
5th Driest Driest to Date 1936
121st Wettest Wettest since: 1900 1993
Mar–Jul 1901
5-Month
12.84"
(326.14mm)
17.43"
(442.72mm)
-4.59"
(-116.58mm)
9th Driest Driest to Date 1936
117th Wettest Wettest since: 1900 1993
Feb–Jul 1901
6-Month
13.86"
(352.04mm)
18.45"
(468.63mm)
-4.59"
(-116.59mm)
10th Driest Driest to Date 1988
116th Wettest Wettest since: 1900 1993
Ties: 1933
Jan–Jul 1901
7-Month
14.57"
(370.08mm)
19.43"
(493.52mm)
-4.86"
(-123.44mm)
10th Driest Driest to Date 1988
116th Wettest Wettest since: 1900 1993
Dec 1900–Jul 1901
8-Month
15.01"
(381.25mm)
20.53"
(521.46mm)
-5.52"
(-140.21mm)
8th Driest Driest to Date 1988
117th Wettest Wettest since: 1900 1993
Nov 1900–Jul 1901
9-Month
16.07"
(408.18mm)
22.27"
(565.66mm)
-6.20"
(-157.48mm)
5th Driest Driest to Date 1934
120th Wettest Wettest since: 1900 1993
Oct 1900–Jul 1901
10-Month
20.04"
(509.02mm)
24.58"
(624.33mm)
-4.54"
(-115.31mm)
13th Driest Driest to Date 1934
112th Wettest Wettest since: 1900 1993
Sep 1900–Jul 1901
11-Month
25.06"
(636.52mm)
28.28"
(718.31mm)
-3.22"
(-81.79mm)
32nd Driest Driest since: 1898 1988
93rd Wettest Wettest since: 1900 1993
Aug 1900–Jul 1901
12-Month
29.79"
(756.67mm)
32.14"
(816.36mm)
-2.35"
(-59.69mm)
35th Driest Driest since: 1900 1956
90th Wettest Wettest since: 1899 2008
Feb 1900–Jul 1901
18-Month
49.51"
(1,257.55mm)
50.60"
(1,285.24mm)
-1.09"
(-27.69mm)
53rd Driest Driest since: 1900 1911
72nd Wettest Wettest since: 1897 2008
Aug 1899–Jul 1901
24-Month
59.12"
(1,501.65mm)
64.31"
(1,633.47mm)
-5.19"
(-131.82mm)
26th Driest Driest since: 1899 1934
98th Wettest Wettest since: 1900 2008
Aug 1898–Jul 1901
36-Month
89.98"
(2,285.49mm)
96.40"
(2,448.56mm)
-6.42"
(-163.07mm)
30th Driest Driest since: 1900 1956
93rd Wettest Wettest since: 1898 2010
Aug 1897–Jul 1901
48-Month
115.85"
(2,942.59mm)
128.38"
(3,260.85mm)
-12.53"
(-318.26mm)
10th Driest Driest to Date 1957
112th Wettest Wettest since: 1900 2010
Aug 1896–Jul 1901
60-Month
148.03"
(3,759.96mm)
160.37"
(4,073.40mm)
-12.34"
(-313.44mm)
14th Driest Driest to Date 1957
107th Wettest Wettest since: 1900 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/