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 December 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1976

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1976
1-Month
1.47"
(37.34mm)
3.67"
(93.22mm)
-2.20"
(-55.88mm)
10th Driest Driest since: 1966 1939
118th Wettest Wettest since: 1975 1965
Aug–Sep 1976
2-Month
2.95"
(74.93mm)
7.51"
(190.75mm)
-4.56"
(-115.82mm)
1st Driest Driest to Date 1976
127th Wettest Wettest since: 1975 2018
Jul–Sep 1976
3-Month
5.50"
(139.70mm)
11.36"
(288.54mm)
-5.86"
(-148.84mm)
3rd Driest Driest since: 1947 2013
125th Wettest Wettest since: 1975 1993
Jun–Sep 1976
4-Month
8.75"
(222.25mm)
16.00"
(406.40mm)
-7.25"
(-184.15mm)
2nd Driest Driest to Date 2012
126th Wettest Wettest since: 1975 1993
May–Sep 1976
5-Month
11.95"
(303.53mm)
20.04"
(509.02mm)
-8.09"
(-205.49mm)
1st Driest Driest to Date 1976
127th Wettest Wettest since: 1975 1993
Apr–Sep 1976
6-Month
16.54"
(420.12mm)
22.99"
(583.95mm)
-6.45"
(-163.83mm)
6th Driest Driest since: 1971 1988
122nd Wettest Wettest since: 1975 1993
Mar–Sep 1976
7-Month
19.95"
(506.73mm)
24.94"
(633.48mm)
-4.99"
(-126.75mm)
12th Driest Driest since: 1971 1988
116th Wettest Wettest since: 1975 1993
Ties: 1948
Feb–Sep 1976
8-Month
21.43"
(544.32mm)
25.96"
(659.38mm)
-4.53"
(-115.06mm)
17th Driest Driest since: 1971 1988
111th Wettest Wettest since: 1975 1993
Jan–Sep 1976
9-Month
21.66"
(550.16mm)
26.93"
(684.02mm)
-5.27"
(-133.86mm)
10th Driest Driest since: 1971 1988
118th Wettest Wettest since: 1975 1993
Dec 1975–Sep 1976
10-Month
22.42"
(569.47mm)
28.04"
(712.22mm)
-5.62"
(-142.75mm)
10th Driest Driest since: 1971 1988
117th Wettest Wettest since: 1975 1993
Nov 1975–Sep 1976
11-Month
25.89"
(657.61mm)
29.78"
(756.41mm)
-3.89"
(-98.80mm)
25th Driest Driest since: 1971 1934
102nd Wettest Wettest since: 1975 1993
Oct 1975–Sep 1976
12-Month
26.20"
(665.48mm)
32.09"
(815.09mm)
-5.89"
(-149.61mm)
11th Driest Driest since: 1966 1934
116th Wettest Wettest since: 1975 1993
Ties: 1966, 1989
Apr 1975–Sep 1976
18-Month
46.92"
(1,191.77mm)
55.13"
(1,400.30mm)
-8.21"
(-208.53mm)
11th Driest Driest since: 1956 1934
116th Wettest Wettest since: 1975 1993
Oct 1974–Sep 1976
24-Month
57.16"
(1,451.86mm)
64.26"
(1,632.20mm)
-7.10"
(-180.34mm)
16th Driest Driest since: 1967 1956
110th Wettest Wettest since: 1975 1993
Oct 1973–Sep 1976
36-Month
90.56"
(2,300.22mm)
96.36"
(2,447.54mm)
-5.80"
(-147.32mm)
28th Driest Driest since: 1968 1957
97th Wettest Wettest since: 1975 2010
Oct 1972–Sep 1976
48-Month
133.74"
(3,397.00mm)
128.36"
(3,260.34mm)
5.38"
(136.66mm)
84th Driest Driest since: 1971 1958
40th Wettest Wettest since: 1975 2010
Oct 1971–Sep 1976
60-Month
172.24"
(4,374.90mm)
160.34"
(4,072.64mm)
11.90"
(302.26mm)
94th Driest Driest since: 1972 1957
29th Wettest Wettest since: 1975 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 19, 2022 from https://www.ncdc.noaa.gov/cag/