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 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1972

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
September 1972
1-Month
5.61"
(142.49mm)
3.67"
(93.22mm)
1.94"
(49.27mm)
110th Driest Driest since: 1971 1939
18th Wettest Wettest since: 1970 1965
Aug–Sep 1972
2-Month
9.93"
(252.22mm)
7.51"
(190.75mm)
2.42"
(61.47mm)
107th Driest Driest since: 1971 1976
21st Wettest Wettest since: 1970 2018
Jul–Sep 1972
3-Month
15.60"
(396.24mm)
11.36"
(288.54mm)
4.24"
(107.70mm)
113th Driest Driest since: 1971 2013
15th Wettest Wettest since: 1965 1993
Jun–Sep 1972
4-Month
19.30"
(490.22mm)
16.00"
(406.40mm)
3.30"
(83.82mm)
108th Driest Driest since: 1971 2012
20th Wettest Wettest since: 1965 1993
May–Sep 1972
5-Month
23.87"
(606.30mm)
20.04"
(509.02mm)
3.83"
(97.28mm)
107th Driest Driest since: 1971 1976
21st Wettest Wettest since: 1965 1993
Apr–Sep 1972
6-Month
27.45"
(697.23mm)
22.99"
(583.95mm)
4.46"
(113.28mm)
107th Driest Driest since: 1971 1988
21st Wettest Wettest since: 1965 1993
Mar–Sep 1972
7-Month
28.76"
(730.50mm)
24.94"
(633.48mm)
3.82"
(97.02mm)
104th Driest Driest since: 1971 1988
24th Wettest Wettest since: 1965 1993
Feb–Sep 1972
8-Month
29.47"
(748.54mm)
25.96"
(659.38mm)
3.51"
(89.16mm)
101st Driest Driest since: 1971 1988
27th Wettest Wettest since: 1965 1993
Ties: 1900
Jan–Sep 1972
9-Month
29.94"
(760.48mm)
26.93"
(684.02mm)
3.01"
(76.46mm)
99th Driest Driest since: 1971 1988
29th Wettest Wettest since: 1965 1993
Dec 1971–Sep 1972
10-Month
31.81"
(807.97mm)
28.04"
(712.22mm)
3.77"
(95.75mm)
101st Driest Driest since: 1971 1988
26th Wettest Wettest since: 1965 1993
Nov 1971–Sep 1972
11-Month
34.89"
(886.21mm)
29.78"
(756.41mm)
5.11"
(129.80mm)
108th Driest Driest since: 1971 1934
19th Wettest Wettest since: 1965 1993
Oct 1971–Sep 1972
12-Month
38.50"
(977.90mm)
32.09"
(815.09mm)
6.41"
(162.81mm)
111th Driest Driest since: 1971 1934
16th Wettest Wettest since: 1965 1993
Apr 1971–Sep 1972
18-Month
55.03"
(1,397.76mm)
55.13"
(1,400.30mm)
-0.10"
(-2.54mm)
60th Driest Driest since: 1971 1934
67th Wettest Wettest since: 1970 1993
Oct 1970–Sep 1972
24-Month
66.32"
(1,684.53mm)
64.26"
(1,632.20mm)
2.06"
(52.33mm)
72nd Driest Driest since: 1971 1956
54th Wettest Wettest since: 1970 1993
Oct 1969–Sep 1972
36-Month
98.31"
(2,497.07mm)
96.36"
(2,447.54mm)
1.95"
(49.53mm)
69th Driest Driest since: 1971 1957
56th Wettest Wettest since: 1970 2010
Oct 1968–Sep 1972
48-Month
134.49"
(3,416.05mm)
128.36"
(3,260.34mm)
6.13"
(155.71mm)
87th Driest Driest since: 1971 1958
37th Wettest Wettest since: 1962 2010
Oct 1967–Sep 1972
60-Month
165.28"
(4,198.11mm)
160.34"
(4,072.64mm)
4.94"
(125.47mm)
74th Driest Driest since: 1971 1957
49th Wettest Wettest since: 1965 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/