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 1902

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 1902
1-Month
8.63"
(219.20mm)
3.86"
(98.04mm)
4.77"
(121.16mm)
124th Driest Driest since: 1901 1936
2nd Wettest Wettest to Date 1993
Jun–Jul 1902
2-Month
15.76"
(400.30mm)
8.49"
(215.65mm)
7.27"
(184.65mm)
123rd Driest Driest since: 1901 1936
3rd Wettest Wettest to Date 1993
May–Jul 1902
3-Month
21.30"
(541.02mm)
12.53"
(318.26mm)
8.77"
(222.76mm)
123rd Driest Driest since: 1901 1988
3rd Wettest Wettest to Date 1993
Apr–Jul 1902
4-Month
23.04"
(585.22mm)
15.48"
(393.19mm)
7.56"
(192.03mm)
122nd Driest Driest since: 1901 1936
4th Wettest Wettest to Date 1993
Mar–Jul 1902
5-Month
24.48"
(621.79mm)
17.43"
(442.72mm)
7.05"
(179.07mm)
120th Driest Driest since: 1901 1936
6th Wettest Wettest to Date 1993
Feb–Jul 1902
6-Month
25.16"
(639.06mm)
18.45"
(468.63mm)
6.71"
(170.43mm)
120th Driest Driest since: 1901 1988
6th Wettest Wettest to Date 1993
Jan–Jul 1902
7-Month
26.05"
(661.67mm)
19.43"
(493.52mm)
6.62"
(168.15mm)
118th Driest Driest since: 1901 1988
8th Wettest Wettest to Date 1993
Dec 1901–Jul 1902
8-Month
27.00"
(685.80mm)
20.53"
(521.46mm)
6.47"
(164.34mm)
116th Driest Driest since: 1901 1988
9th Wettest Wettest to Date 1993
Nov 1901–Jul 1902
9-Month
27.83"
(706.88mm)
22.27"
(565.66mm)
5.56"
(141.22mm)
113th Driest Driest since: 1901 1934
12th Wettest Wettest to Date 1993
Oct 1901–Jul 1902
10-Month
29.85"
(758.19mm)
24.58"
(624.33mm)
5.27"
(133.86mm)
106th Driest Driest since: 1901 1934
19th Wettest Wettest to Date 1993
Sep 1901–Jul 1902
11-Month
34.66"
(880.36mm)
28.28"
(718.31mm)
6.38"
(162.05mm)
110th Driest Driest since: 1901 1988
15th Wettest Wettest to Date 1993
Aug 1901–Jul 1902
12-Month
35.98"
(913.89mm)
32.14"
(816.36mm)
3.84"
(97.53mm)
93rd Driest Driest since: 1901 1956
32nd Wettest Wettest to Date 2008
Feb 1901–Jul 1902
18-Month
49.84"
(1,265.94mm)
50.60"
(1,285.24mm)
-0.76"
(-19.30mm)
57th Driest Driest since: 1901 1911
68th Wettest Wettest since: 1897 2008
Aug 1900–Jul 1902
24-Month
65.77"
(1,670.56mm)
64.31"
(1,633.47mm)
1.46"
(37.09mm)
68th Driest Driest since: 1901 1934
56th Wettest Wettest since: 1897 2008
Aug 1899–Jul 1902
36-Month
95.10"
(2,415.54mm)
96.40"
(2,448.56mm)
-1.30"
(-33.02mm)
51st Driest Driest since: 1901 1956
72nd Wettest Wettest to Date 2010
Aug 1898–Jul 1902
48-Month
125.96"
(3,199.38mm)
128.38"
(3,260.85mm)
-2.42"
(-61.47mm)
46th Driest Driest since: 1901 1957
76th Wettest Wettest to Date 2010
Aug 1897–Jul 1902
60-Month
151.83"
(3,856.48mm)
160.37"
(4,073.40mm)
-8.54"
(-216.92mm)
20th Driest Driest since: 1901 1957
101st 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 20, 2019 from https://www.ncdc.noaa.gov/cag/