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


Iowa

Precipitation Rankings, September 1955

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 1955
1-Month
3.05"
(77.47mm)
3.67"
(93.22mm)
-0.62"
(-15.75mm)
57th Driest Driest since: 1954 1939
71st Wettest Wettest since: 1949 1965
Aug–Sep 1955
2-Month
4.93"
(125.22mm)
7.51"
(190.75mm)
-2.58"
(-65.53mm)
17th Driest Driest since: 1953 1976
111th Wettest Wettest since: 1954 2018
Ties: 1922
Jul–Sep 1955
3-Month
8.39"
(213.11mm)
11.36"
(288.54mm)
-2.97"
(-75.43mm)
21st Driest Driest since: 1953 2013
107th Wettest Wettest since: 1954 1993
Jun–Sep 1955
4-Month
11.38"
(289.05mm)
16.00"
(406.40mm)
-4.62"
(-117.35mm)
7th Driest Driest since: 1927 2012
121st Wettest Wettest since: 1954 1993
May–Sep 1955
5-Month
14.09"
(357.89mm)
20.04"
(509.02mm)
-5.95"
(-151.13mm)
5th Driest Driest since: 1897 1976
123rd Wettest Wettest since: 1954 1993
Apr–Sep 1955
6-Month
17.59"
(446.79mm)
22.99"
(583.95mm)
-5.40"
(-137.16mm)
11th Driest Driest since: 1953 1988
117th Wettest Wettest since: 1954 1993
Mar–Sep 1955
7-Month
18.56"
(471.42mm)
24.94"
(633.48mm)
-6.38"
(-162.06mm)
6th Driest Driest since: 1934 1988
122nd Wettest Wettest since: 1954 1993
Feb–Sep 1955
8-Month
19.86"
(504.44mm)
25.96"
(659.38mm)
-6.10"
(-154.94mm)
5th Driest Driest since: 1934 1988
123rd Wettest Wettest since: 1954 1993
Ties: 1971
Jan–Sep 1955
9-Month
20.76"
(527.30mm)
26.93"
(684.02mm)
-6.17"
(-156.72mm)
7th Driest Driest since: 1934 1988
121st Wettest Wettest since: 1954 1993
Dec 1954–Sep 1955
10-Month
21.48"
(545.59mm)
28.04"
(712.22mm)
-6.56"
(-166.63mm)
6th Driest Driest since: 1934 1988
121st Wettest Wettest since: 1954 1993
Nov 1954–Sep 1955
11-Month
21.72"
(551.69mm)
29.78"
(756.41mm)
-8.06"
(-204.72mm)
3rd Driest Driest since: 1934 1934
124th Wettest Wettest since: 1954 1993
Oct 1954–Sep 1955
12-Month
25.88"
(657.35mm)
32.09"
(815.09mm)
-6.21"
(-157.74mm)
7th Driest Driest since: 1934 1934
120th Wettest Wettest since: 1954 1993
Apr 1954–Sep 1955
18-Month
51.52"
(1,308.61mm)
55.13"
(1,400.30mm)
-3.61"
(-91.69mm)
34th Driest Driest since: 1954 1934
93rd Wettest Wettest since: 1952 1993
Oct 1953–Sep 1955
24-Month
58.09"
(1,475.49mm)
64.26"
(1,632.20mm)
-6.17"
(-156.71mm)
24th Driest Driest since: 1953 1956
102nd Wettest Wettest since: 1954 1993
Oct 1952–Sep 1955
36-Month
84.66"
(2,150.36mm)
96.36"
(2,447.54mm)
-11.70"
(-297.18mm)
7th Driest Driest since: 1936 1957
118th Wettest Wettest since: 1954 2010
Oct 1951–Sep 1955
48-Month
115.77"
(2,940.56mm)
128.36"
(3,260.34mm)
-12.59"
(-319.78mm)
9th Driest Driest since: 1937 1958
115th Wettest Wettest since: 1954 2010
Oct 1950–Sep 1955
60-Month
154.79"
(3,931.67mm)
160.34"
(4,072.64mm)
-5.55"
(-140.97mm)
30th Driest Driest since: 1941 1957
93rd Wettest Wettest since: 1954 2010

Citing This Page

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