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 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1991
1-Month
2.32"
(58.93mm)
3.86"
(98.04mm)
-1.54"
(-39.11mm)
19th Driest Driest since: 1988 1936
107th Wettest Wettest since: 1990 1993
Jun–Jul 1991
2-Month
6.46"
(164.08mm)
8.49"
(215.65mm)
-2.03"
(-51.57mm)
22nd Driest Driest since: 1988 1936
104th Wettest Wettest since: 1990 1993
May–Jul 1991
3-Month
11.65"
(295.91mm)
12.53"
(318.26mm)
-0.88"
(-22.35mm)
49th Driest Driest since: 1989 1988
77th Wettest Wettest since: 1990 1993
Apr–Jul 1991
4-Month
17.48"
(443.99mm)
15.48"
(393.19mm)
2.00"
(50.80mm)
90th Driest Driest since: 1989 1936
36th Wettest Wettest since: 1990 1993
Mar–Jul 1991
5-Month
21.67"
(550.42mm)
17.43"
(442.72mm)
4.24"
(107.70mm)
107th Driest Driest since: 1989 1936
19th Wettest Wettest since: 1990 1993
Feb–Jul 1991
6-Month
21.97"
(558.04mm)
18.45"
(468.63mm)
3.52"
(89.41mm)
99th Driest Driest since: 1989 1988
27th Wettest Wettest since: 1990 1993
Jan–Jul 1991
7-Month
22.74"
(577.60mm)
19.43"
(493.52mm)
3.31"
(84.08mm)
101st Driest Driest since: 1989 1988
25th Wettest Wettest since: 1990 1993
Dec 1990–Jul 1991
8-Month
24.24"
(615.70mm)
20.53"
(521.46mm)
3.71"
(94.24mm)
98th Driest Driest since: 1989 1988
27th Wettest Wettest since: 1990 1993
Nov 1990–Jul 1991
9-Month
25.89"
(657.61mm)
22.27"
(565.66mm)
3.62"
(91.95mm)
94th Driest Driest since: 1989 1934
31st Wettest Wettest since: 1990 1993
Oct 1990–Jul 1991
10-Month
27.77"
(705.36mm)
24.58"
(624.33mm)
3.19"
(81.03mm)
91st Driest Driest since: 1989 1934
34th Wettest Wettest since: 1990 1993
Sep 1990–Jul 1991
11-Month
29.16"
(740.66mm)
28.28"
(718.31mm)
0.88"
(22.35mm)
69th Driest Driest since: 1989 1988
56th Wettest Wettest since: 1990 1993
Ties: 1965
Aug 1990–Jul 1991
12-Month
33.48"
(850.39mm)
32.14"
(816.36mm)
1.34"
(34.03mm)
73rd Driest Driest since: 1989 1956
52nd Wettest Wettest since: 1990 2008
Feb 1990–Jul 1991
18-Month
60.77"
(1,543.56mm)
50.60"
(1,285.24mm)
10.17"
(258.32mm)
111th Driest Driest since: 1990 1911
14th Wettest Wettest since: 1974 2008
Ties: 2015
Aug 1989–Jul 1991
24-Month
72.62"
(1,844.55mm)
64.31"
(1,633.47mm)
8.31"
(211.08mm)
106th Driest Driest since: 1990 1934
18th Wettest Wettest since: 1987 2008
Aug 1988–Jul 1991
36-Month
98.14"
(2,492.76mm)
96.40"
(2,448.56mm)
1.74"
(44.20mm)
73rd Driest Driest since: 1990 1956
50th Wettest Wettest since: 1988 2010
Aug 1987–Jul 1991
48-Month
123.28"
(3,131.31mm)
128.38"
(3,260.85mm)
-5.10"
(-129.54mm)
32nd Driest Driest since: 1978 1957
90th Wettest Wettest since: 1990 2010
Aug 1986–Jul 1991
60-Month
157.11"
(3,990.59mm)
160.37"
(4,073.40mm)
-3.26"
(-82.81mm)
44th Driest Driest since: 1989 1957
77th Wettest Wettest since: 1990 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/