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


Iowa

Precipitation Rankings, September 1984

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1984
1-Month
2.07"
(52.58mm)
3.67"
(93.22mm)
-1.60"
(-40.64mm)
24th Driest Driest since: 1979 1939
103rd Wettest Wettest since: 1983 1965
Aug–Sep 1984
2-Month
3.06"
(77.72mm)
7.51"
(190.75mm)
-4.45"
(-113.03mm)
2nd Driest Driest since: 1976 1976
125th Wettest Wettest since: 1983 2018
Jul–Sep 1984
3-Month
7.08"
(179.83mm)
11.36"
(288.54mm)
-4.28"
(-108.71mm)
7th Driest Driest since: 1976 2013
120th Wettest Wettest since: 1983 1993
Jun–Sep 1984
4-Month
13.73"
(348.74mm)
16.00"
(406.40mm)
-2.27"
(-57.66mm)
34th Driest Driest since: 1976 2012
93rd Wettest Wettest since: 1983 1993
May–Sep 1984
5-Month
18.49"
(469.65mm)
20.04"
(509.02mm)
-1.55"
(-39.37mm)
43rd Driest Driest since: 1976 1976
84th Wettest Wettest since: 1983 1993
Ties: 1906
Apr–Sep 1984
6-Month
24.25"
(615.95mm)
22.99"
(583.95mm)
1.26"
(32.00mm)
78th Driest Driest since: 1983 1988
49th Wettest Wettest since: 1982 1993
Mar–Sep 1984
7-Month
26.10"
(662.94mm)
24.94"
(633.48mm)
1.16"
(29.46mm)
76th Driest Driest since: 1983 1988
51st Wettest Wettest since: 1982 1993
Ties: 1979
Feb–Sep 1984
8-Month
27.02"
(686.31mm)
25.96"
(659.38mm)
1.06"
(26.93mm)
74th Driest Driest since: 1983 1988
53rd Wettest Wettest since: 1982 1993
Jan–Sep 1984
9-Month
27.53"
(699.26mm)
26.93"
(684.02mm)
0.60"
(15.24mm)
72nd Driest Driest since: 1983 1988
55th Wettest Wettest since: 1982 1993
Dec 1983–Sep 1984
10-Month
28.64"
(727.46mm)
28.04"
(712.22mm)
0.60"
(15.24mm)
70th Driest Driest since: 1981 1988
56th Wettest Wettest since: 1983 1993
Nov 1983–Sep 1984
11-Month
33.32"
(846.33mm)
29.78"
(756.41mm)
3.54"
(89.92mm)
95th Driest Driest since: 1981 1934
31st Wettest Wettest since: 1983 1993
Oct 1983–Sep 1984
12-Month
36.69"
(931.93mm)
32.09"
(815.09mm)
4.60"
(116.84mm)
102nd Driest Driest since: 1981 1934
24th Wettest Wettest since: 1983 1993
Apr 1983–Sep 1984
18-Month
58.87"
(1,495.30mm)
55.13"
(1,400.30mm)
3.74"
(95.00mm)
87th Driest Driest since: 1981 1934
39th Wettest Wettest since: 1983 1993
Oct 1982–Sep 1984
24-Month
73.71"
(1,872.23mm)
64.26"
(1,632.20mm)
9.45"
(240.03mm)
105th Driest Driest since: 1982 1956
20th Wettest Wettest since: 1983 1993
Oct 1981–Sep 1984
36-Month
111.18"
(2,823.97mm)
96.36"
(2,447.54mm)
14.82"
(376.43mm)
109th Driest Driest since: 1983 1957
15th Wettest Wettest since: 1974 2010
Oct 1980–Sep 1984
48-Month
140.96"
(3,580.38mm)
128.36"
(3,260.34mm)
12.60"
(320.04mm)
101st Driest Driest since: 1983 1958
22nd Wettest Wettest since: 1975 2010
Oct 1979–Sep 1984
60-Month
172.64"
(4,385.06mm)
160.34"
(4,072.64mm)
12.30"
(312.42mm)
95th Driest Driest since: 1983 1957
27th Wettest Wettest since: 1975 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 18, 2021 from https://www.ncdc.noaa.gov/cag/