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 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1956

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1956
1-Month
1.54"
(39.12mm)
3.67"
(93.22mm)
-2.13"
(-54.10mm)
11th Driest Driest since: 1953 1939
117th Wettest Wettest since: 1955 1965
Ties: 1937
Aug–Sep 1956
2-Month
6.03"
(153.16mm)
7.51"
(190.75mm)
-1.48"
(-37.59mm)
36th Driest Driest since: 1955 1976
92nd Wettest Wettest since: 1954 2018
Jul–Sep 1956
3-Month
10.55"
(267.97mm)
11.36"
(288.54mm)
-0.81"
(-20.57mm)
52nd Driest Driest since: 1955 2013
76th Wettest Wettest since: 1954 1993
Ties: 2021
Jun–Sep 1956
4-Month
13.15"
(334.01mm)
16.00"
(406.40mm)
-2.85"
(-72.39mm)
26th Driest Driest since: 1955 2012
102nd Wettest Wettest since: 1954 1993
May–Sep 1956
5-Month
16.43"
(417.32mm)
20.04"
(509.02mm)
-3.61"
(-91.70mm)
18th Driest Driest since: 1955 1976
110th Wettest Wettest since: 1954 1993
Apr–Sep 1956
6-Month
18.41"
(467.61mm)
22.99"
(583.95mm)
-4.58"
(-116.34mm)
15th Driest Driest since: 1955 1988
113th Wettest Wettest since: 1954 1993
Mar–Sep 1956
7-Month
19.34"
(491.24mm)
24.94"
(633.48mm)
-5.60"
(-142.24mm)
10th Driest Driest since: 1955 1988
118th Wettest Wettest since: 1954 1993
Feb–Sep 1956
8-Month
19.88"
(504.95mm)
25.96"
(659.38mm)
-6.08"
(-154.43mm)
7th Driest Driest since: 1955 1988
121st Wettest Wettest since: 1954 1993
Jan–Sep 1956
9-Month
20.33"
(516.38mm)
26.93"
(684.02mm)
-6.60"
(-167.64mm)
5th Driest Driest since: 1934 1988
123rd Wettest Wettest since: 1955 1993
Dec 1955–Sep 1956
10-Month
20.82"
(528.83mm)
28.04"
(712.22mm)
-7.22"
(-183.39mm)
3rd Driest Driest since: 1934 1988
124th Wettest Wettest since: 1955 1993
Nov 1955–Sep 1956
11-Month
21.06"
(534.92mm)
29.78"
(756.41mm)
-8.72"
(-221.49mm)
2nd Driest Driest since: 1934 1934
125th Wettest Wettest since: 1955 1993
Oct 1955–Sep 1956
12-Month
22.54"
(572.52mm)
32.09"
(815.09mm)
-9.55"
(-242.57mm)
2nd Driest Driest since: 1934 1934
125th Wettest Wettest since: 1955 1993
Apr 1955–Sep 1956
18-Month
40.13"
(1,019.30mm)
55.13"
(1,400.30mm)
-15.00"
(-381.00mm)
2nd Driest Driest since: 1934 1934
125th Wettest Wettest since: 1955 1993
Oct 1954–Sep 1956
24-Month
48.42"
(1,229.87mm)
64.26"
(1,632.20mm)
-15.84"
(-402.33mm)
1st Driest Driest since: 1956 1956
125th Wettest Wettest since: 1955 1993
Oct 1953–Sep 1956
36-Month
80.63"
(2,048.00mm)
96.36"
(2,447.54mm)
-15.73"
(-399.54mm)
3rd Driest Driest since: 1956 1957
122nd Wettest Wettest since: 1955 2010
Oct 1952–Sep 1956
48-Month
107.20"
(2,722.88mm)
128.36"
(3,260.34mm)
-21.16"
(-537.46mm)
2nd Driest Driest since: 1956 1958
122nd Wettest Wettest since: 1955 2010
Oct 1951–Sep 1956
60-Month
138.31"
(3,513.07mm)
160.34"
(4,072.64mm)
-22.03"
(-559.57mm)
3rd Driest Driest since: 1937 1957
120th Wettest Wettest since: 1955 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 7, 2022 from https://www.ncdc.noaa.gov/cag/