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


Iowa

Precipitation Rankings, September 1981

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1981
1-Month
2.59"
(65.79mm)
3.67"
(93.22mm)
-1.08"
(-27.43mm)
43rd Driest Driest since: 1979 1939
85th Wettest Wettest since: 1980 1965
Aug–Sep 1981
2-Month
7.74"
(196.60mm)
7.51"
(190.75mm)
0.23"
(5.85mm)
74th Driest Driest since: 1979 1976
54th Wettest Wettest since: 1980 2018
Ties: 1988
Jul–Sep 1981
3-Month
12.66"
(321.56mm)
11.36"
(288.54mm)
1.30"
(33.02mm)
93rd Driest Driest since: 1979 2013
35th Wettest Wettest since: 1980 1993
Jun–Sep 1981
4-Month
18.09"
(459.49mm)
16.00"
(406.40mm)
2.09"
(53.09mm)
95th Driest Driest since: 1979 2012
33rd Wettest Wettest since: 1980 1993
May–Sep 1981
5-Month
20.63"
(524.00mm)
20.04"
(509.02mm)
0.59"
(14.98mm)
70th Driest Driest since: 1979 1976
58th Wettest Wettest since: 1980 1993
Apr–Sep 1981
6-Month
24.04"
(610.62mm)
22.99"
(583.95mm)
1.05"
(26.67mm)
78th Driest Driest since: 1980 1988
50th Wettest Wettest since: 1978 1993
Mar–Sep 1981
7-Month
24.79"
(629.67mm)
24.94"
(633.48mm)
-0.15"
(-3.81mm)
63rd Driest Driest since: 1980 1988
65th Wettest Wettest since: 1979 1993
Feb–Sep 1981
8-Month
26.20"
(665.48mm)
25.96"
(659.38mm)
0.24"
(6.10mm)
67th Driest Driest since: 1980 1988
61st Wettest Wettest since: 1979 1993
Jan–Sep 1981
9-Month
26.30"
(668.02mm)
26.93"
(684.02mm)
-0.63"
(-16.00mm)
57th Driest Driest since: 1980 1988
71st Wettest Wettest since: 1979 1993
Ties: 2017
Dec 1980–Sep 1981
10-Month
27.39"
(695.71mm)
28.04"
(712.22mm)
-0.65"
(-16.51mm)
56th Driest Driest since: 1980 1988
71st Wettest Wettest since: 1979 1993
Nov 1980–Sep 1981
11-Month
27.82"
(706.63mm)
29.78"
(756.41mm)
-1.96"
(-49.78mm)
44th Driest Driest since: 1976 1934
83rd Wettest Wettest since: 1980 1993
Ties: 2002
Oct 1980–Sep 1981
12-Month
29.78"
(756.41mm)
32.09"
(815.09mm)
-2.31"
(-58.68mm)
40th Driest Driest since: 1976 1934
87th Wettest Wettest since: 1980 1993
Apr 1980–Sep 1981
18-Month
52.33"
(1,329.18mm)
55.13"
(1,400.30mm)
-2.80"
(-71.12mm)
39th Driest Driest since: 1977 1934
88th Wettest Wettest since: 1980 1993
Oct 1979–Sep 1981
24-Month
61.46"
(1,561.08mm)
64.26"
(1,632.20mm)
-2.80"
(-71.12mm)
45th Driest Driest since: 1977 1956
81st Wettest Wettest since: 1980 1993
Oct 1978–Sep 1981
36-Month
94.48"
(2,399.79mm)
96.36"
(2,447.54mm)
-1.88"
(-47.75mm)
53rd Driest Driest since: 1978 1957
72nd Wettest Wettest since: 1980 2010
Ties: 1964
Oct 1977–Sep 1981
48-Month
130.71"
(3,320.03mm)
128.36"
(3,260.34mm)
2.35"
(59.69mm)
71st Driest Driest since: 1979 1958
53rd Wettest Wettest since: 1980 2010
Ties: 1988
Oct 1976–Sep 1981
60-Month
162.41"
(4,125.21mm)
160.34"
(4,072.64mm)
2.07"
(52.57mm)
68th Driest Driest since: 1980 1957
55th Wettest Wettest since: 1977 2010
Ties: 1961

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2022, retrieved on August 8, 2022 from https://www.ncei.noaa.gov/cag/