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 October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, July 1903

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1903
1-Month
5.23"
(132.84mm)
3.86"
(98.04mm)
1.37"
(34.80mm)
104th Driest Driest since: 1901 1936
22nd Wettest Wettest since: 1902 1993
Jun–Jul 1903
2-Month
8.17"
(207.52mm)
8.49"
(215.65mm)
-0.32"
(-8.13mm)
59th Driest Driest since: 1901 1936
67th Wettest Wettest since: 1902 1993
Ties: 1963
May–Jul 1903
3-Month
16.72"
(424.69mm)
12.53"
(318.26mm)
4.19"
(106.43mm)
116th Driest Driest since: 1901 1988
10th Wettest Wettest since: 1902 1993
Apr–Jul 1903
4-Month
19.70"
(500.38mm)
15.48"
(393.19mm)
4.22"
(107.19mm)
107th Driest Driest since: 1901 1936
19th Wettest Wettest since: 1902 1993
Mar–Jul 1903
5-Month
21.08"
(535.43mm)
17.43"
(442.72mm)
3.65"
(92.71mm)
102nd Driest Driest since: 1901 1936
24th Wettest Wettest since: 1902 1993
Feb–Jul 1903
6-Month
22.20"
(563.88mm)
18.45"
(468.63mm)
3.75"
(95.25mm)
102nd Driest Driest since: 1901 1988
24th Wettest Wettest since: 1902 1993
Jan–Jul 1903
7-Month
22.45"
(570.23mm)
19.43"
(493.52mm)
3.02"
(76.71mm)
97th Driest Driest since: 1901 1988
29th Wettest Wettest since: 1902 1993
Dec 1902–Jul 1903
8-Month
24.61"
(625.09mm)
20.53"
(521.46mm)
4.08"
(103.63mm)
103rd Driest Driest since: 1901 1988
22nd Wettest Wettest since: 1902 1993
Nov 1902–Jul 1903
9-Month
26.68"
(677.67mm)
22.27"
(565.66mm)
4.41"
(112.01mm)
104th Driest Driest since: 1901 1934
21st Wettest Wettest since: 1902 1993
Oct 1902–Jul 1903
10-Month
29.01"
(736.85mm)
24.58"
(624.33mm)
4.43"
(112.52mm)
100th Driest Driest since: 1901 1934
25th Wettest Wettest since: 1902 1993
Sep 1902–Jul 1903
11-Month
33.47"
(850.14mm)
28.28"
(718.31mm)
5.19"
(131.83mm)
104th Driest Driest since: 1901 1988
21st Wettest Wettest since: 1902 1993
Aug 1902–Jul 1903
12-Month
40.19"
(1,020.83mm)
32.14"
(816.36mm)
8.05"
(204.47mm)
116th Driest Driest since: 1902 1956
9th Wettest Wettest to Date 2008
Feb 1902–Jul 1903
18-Month
65.35"
(1,659.89mm)
50.60"
(1,285.24mm)
14.75"
(374.65mm)
120th Driest Driest since: 1902 1911
5th Wettest Wettest to Date 2008
Aug 1901–Jul 1903
24-Month
76.17"
(1,934.72mm)
64.31"
(1,633.47mm)
11.86"
(301.25mm)
112th Driest Driest since: 1902 1934
12th Wettest Wettest to Date 2008
Aug 1900–Jul 1903
36-Month
105.96"
(2,691.38mm)
96.40"
(2,448.56mm)
9.56"
(242.82mm)
98th Driest Driest since: 1902 1956
25th Wettest Wettest to Date 2010
Aug 1899–Jul 1903
48-Month
135.29"
(3,436.37mm)
128.38"
(3,260.85mm)
6.91"
(175.52mm)
87th Driest Driest since: 1902 1957
35th Wettest Wettest to Date 2010
Aug 1898–Jul 1903
60-Month
166.15"
(4,220.21mm)
160.37"
(4,073.40mm)
5.78"
(146.81mm)
79th Driest Driest since: 1902 1957
42nd Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/