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


Iowa

Precipitation Rankings, July 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1981
1-Month
4.92"
(124.97mm)
3.86"
(98.04mm)
1.06"
(26.93mm)
98th Driest Driest since: 1980 1936
28th Wettest Wettest since: 1978 1993
Jun–Jul 1981
2-Month
10.35"
(262.89mm)
8.49"
(215.65mm)
1.86"
(47.24mm)
100th Driest Driest since: 1980 1936
26th Wettest Wettest since: 1969 1993
May–Jul 1981
3-Month
12.89"
(327.41mm)
12.53"
(318.26mm)
0.36"
(9.15mm)
67th Driest Driest since: 1980 1988
59th Wettest Wettest since: 1978 1993
Apr–Jul 1981
4-Month
16.30"
(414.02mm)
15.48"
(393.19mm)
0.82"
(20.83mm)
68th Driest Driest since: 1980 1936
58th Wettest Wettest since: 1978 1993
Mar–Jul 1981
5-Month
17.05"
(433.07mm)
17.43"
(442.72mm)
-0.38"
(-9.65mm)
54th Driest Driest since: 1980 1936
72nd Wettest Wettest since: 1979 1993
Ties: 1968
Feb–Jul 1981
6-Month
18.46"
(468.88mm)
18.45"
(468.63mm)
0.01"
(0.25mm)
56th Driest Driest since: 1980 1988
70th Wettest Wettest since: 1979 1993
Jan–Jul 1981
7-Month
18.56"
(471.42mm)
19.43"
(493.52mm)
-0.87"
(-22.10mm)
47th Driest Driest since: 1980 1988
79th Wettest Wettest since: 1979 1993
Dec 1980–Jul 1981
8-Month
19.65"
(499.11mm)
20.53"
(521.46mm)
-0.88"
(-22.35mm)
50th Driest Driest since: 1980 1988
75th Wettest Wettest since: 1979 1993
Nov 1980–Jul 1981
9-Month
20.08"
(510.03mm)
22.27"
(565.66mm)
-2.19"
(-55.63mm)
34th Driest Driest since: 1980 1934
91st Wettest Wettest since: 1979 1993
Oct 1980–Jul 1981
10-Month
22.04"
(559.82mm)
24.58"
(624.33mm)
-2.54"
(-64.51mm)
31st Driest Driest since: 1980 1934
94th Wettest Wettest since: 1979 1993
Sep 1980–Jul 1981
11-Month
25.17"
(639.32mm)
28.28"
(718.31mm)
-3.11"
(-78.99mm)
33rd Driest Driest since: 1980 1988
92nd Wettest Wettest since: 1979 1993
Aug 1980–Jul 1981
12-Month
32.99"
(837.95mm)
32.14"
(816.36mm)
0.85"
(21.59mm)
68th Driest Driest since: 1980 1956
57th Wettest Wettest since: 1979 2008
Feb 1980–Jul 1981
18-Month
46.35"
(1,177.29mm)
50.60"
(1,285.24mm)
-4.25"
(-107.95mm)
23rd Driest Driest since: 1977 1911
102nd Wettest Wettest since: 1980 2008
Aug 1979–Jul 1981
24-Month
61.28"
(1,556.51mm)
64.31"
(1,633.47mm)
-3.03"
(-76.96mm)
40th Driest Driest since: 1977 1934
84th Wettest Wettest since: 1980 2008
Aug 1978–Jul 1981
36-Month
95.54"
(2,426.72mm)
96.40"
(2,448.56mm)
-0.86"
(-21.84mm)
55th Driest Driest since: 1978 1956
68th Wettest Wettest since: 1980 2010
Aug 1977–Jul 1981
48-Month
135.86"
(3,450.84mm)
128.38"
(3,260.85mm)
7.48"
(189.99mm)
89th Driest Driest since: 1980 1957
33rd Wettest Wettest since: 1976 2010
Aug 1976–Jul 1981
60-Month
157.62"
(4,003.55mm)
160.37"
(4,073.40mm)
-2.75"
(-69.85mm)
47th Driest Driest since: 1980 1957
74th Wettest Wettest since: 1978 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2019, retrieved on August 22, 2019 from https://www.ncdc.noaa.gov/cag/