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 May 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, July 1990

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
July 1990
1-Month
6.37"
(161.80mm)
3.86"
(98.04mm)
2.51"
(63.76mm)
117th Driest Driest since: 1989 1936
11th Wettest Wettest since: 1958 1993
Jun–Jul 1990
2-Month
14.33"
(363.98mm)
8.49"
(215.65mm)
5.84"
(148.33mm)
123rd Driest Driest since: 1989 1936
5th Wettest Wettest since: 1902 1993
May–Jul 1990
3-Month
20.06"
(509.52mm)
12.53"
(318.26mm)
7.53"
(191.26mm)
123rd Driest Driest since: 1989 1988
5th Wettest Wettest since: 1902 1993
Apr–Jul 1990
4-Month
22.32"
(566.93mm)
15.48"
(393.19mm)
6.84"
(173.74mm)
123rd Driest Driest since: 1989 1936
5th Wettest Wettest since: 1902 1993
Mar–Jul 1990
5-Month
26.62"
(676.15mm)
17.43"
(442.72mm)
9.19"
(233.43mm)
124th Driest Driest since: 1989 1936
4th Wettest Wettest to Date 1993
Feb–Jul 1990
6-Month
27.29"
(693.17mm)
18.45"
(468.63mm)
8.84"
(224.54mm)
124th Driest Driest since: 1989 1988
4th Wettest Wettest to Date 1993
Jan–Jul 1990
7-Month
28.17"
(715.52mm)
19.43"
(493.52mm)
8.74"
(222.00mm)
124th Driest Driest since: 1989 1988
4th Wettest Wettest to Date 1993
Dec 1989–Jul 1990
8-Month
28.53"
(724.66mm)
20.53"
(521.46mm)
8.00"
(203.20mm)
122nd Driest Driest since: 1989 1988
5th Wettest Wettest since: 1951 1993
Nov 1989–Jul 1990
9-Month
28.80"
(731.52mm)
22.27"
(565.66mm)
6.53"
(165.86mm)
119th Driest Driest since: 1989 1934
8th Wettest Wettest since: 1984 1993
Oct 1989–Jul 1990
10-Month
30.72"
(780.29mm)
24.58"
(624.33mm)
6.14"
(155.96mm)
114th Driest Driest since: 1989 1934
13th Wettest Wettest since: 1984 1993
Sep 1989–Jul 1990
11-Month
35.56"
(903.22mm)
28.28"
(718.31mm)
7.28"
(184.91mm)
114th Driest Driest since: 1989 1988
13th Wettest Wettest since: 1984 1993
Aug 1989–Jul 1990
12-Month
39.14"
(994.16mm)
32.14"
(816.36mm)
7.00"
(177.80mm)
112th Driest Driest since: 1989 1956
15th Wettest Wettest since: 1986 2008
Feb 1989–Jul 1990
18-Month
51.94"
(1,319.28mm)
50.60"
(1,285.24mm)
1.34"
(34.04mm)
72nd Driest Driest since: 1989 1911
55th Wettest Wettest since: 1987 2008
Aug 1988–Jul 1990
24-Month
64.66"
(1,642.36mm)
64.31"
(1,633.47mm)
0.35"
(8.89mm)
63rd Driest Driest since: 1989 1934
63rd Wettest Wettest since: 1987 2008
Aug 1987–Jul 1990
36-Month
89.80"
(2,280.92mm)
96.40"
(2,448.56mm)
-6.60"
(-167.64mm)
29th Driest Driest since: 1989 1956
96th Wettest Wettest since: 1988 2010
Aug 1986–Jul 1990
48-Month
123.63"
(3,140.20mm)
128.38"
(3,260.85mm)
-4.75"
(-120.65mm)
35th Driest Driest since: 1978 1957
89th Wettest Wettest since: 1989 2010
Aug 1985–Jul 1990
60-Month
162.95"
(4,138.93mm)
160.37"
(4,073.40mm)
2.58"
(65.53mm)
68th Driest Driest since: 1989 1957
55th Wettest Wettest since: 1988 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on July 6, 2022 from https://www.ncei.noaa.gov/cag/