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 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1911

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1911
1-Month
5.00"
(127.00mm)
3.67"
(93.22mm)
1.33"
(33.78mm)
99th Driest Driest since: 1910 1939
27th Wettest Wettest since: 1900 1965
Aug–Sep 1911
2-Month
8.48"
(215.39mm)
7.51"
(190.75mm)
0.97"
(24.64mm)
86th Driest Driest since: 1910 1976
40th Wettest Wettest since: 1903 2018
Jul–Sep 1911
3-Month
10.88"
(276.35mm)
11.36"
(288.54mm)
-0.48"
(-12.19mm)
57th Driest Driest since: 1910 2013
69th Wettest Wettest since: 1907 1993
Jun–Sep 1911
4-Month
12.79"
(324.87mm)
16.00"
(406.40mm)
-3.21"
(-81.53mm)
22nd Driest Driest since: 1910 2012
104th Wettest Wettest since: 1909 1993
May–Sep 1911
5-Month
16.71"
(424.43mm)
20.04"
(509.02mm)
-3.33"
(-84.59mm)
21st Driest Driest since: 1910 1976
105th Wettest Wettest since: 1909 1993
Apr–Sep 1911
6-Month
19.77"
(502.16mm)
22.99"
(583.95mm)
-3.22"
(-81.79mm)
22nd Driest Driest since: 1910 1988
104th Wettest Wettest since: 1909 1993
Mar–Sep 1911
7-Month
20.64"
(524.26mm)
24.94"
(633.48mm)
-4.30"
(-109.22mm)
18th Driest Driest since: 1910 1988
108th Wettest Wettest since: 1909 1993
Feb–Sep 1911
8-Month
23.40"
(594.36mm)
25.96"
(659.38mm)
-2.56"
(-65.02mm)
34th Driest Driest since: 1910 1988
92nd Wettest Wettest since: 1909 1993
Jan–Sep 1911
9-Month
24.27"
(616.46mm)
26.93"
(684.02mm)
-2.66"
(-67.56mm)
34th Driest Driest since: 1910 1988
92nd Wettest Wettest since: 1909 1993
Dec 1910–Sep 1911
10-Month
24.64"
(625.86mm)
28.04"
(712.22mm)
-3.40"
(-86.36mm)
25th Driest Driest since: 1910 1988
100th Wettest Wettest since: 1909 1993
Nov 1910–Sep 1911
11-Month
24.98"
(634.49mm)
29.78"
(756.41mm)
-4.80"
(-121.92mm)
11th Driest Driest since: 1901 1934
114th Wettest Wettest since: 1910 1993
Oct 1910–Sep 1911
12-Month
25.80"
(655.32mm)
32.09"
(815.09mm)
-6.29"
(-159.77mm)
5th Driest Driest to Date 1934
120th Wettest Wettest since: 1910 1993
Apr 1910–Sep 1911
18-Month
42.29"
(1,074.17mm)
55.13"
(1,400.30mm)
-12.84"
(-326.13mm)
4th Driest Driest to Date 1934
121st Wettest Wettest since: 1910 1993
Oct 1909–Sep 1911
24-Month
54.05"
(1,372.87mm)
64.26"
(1,632.20mm)
-10.21"
(-259.33mm)
6th Driest Driest to Date 1956
118th Wettest Wettest since: 1910 1993
Oct 1908–Sep 1911
36-Month
89.61"
(2,276.09mm)
96.36"
(2,447.54mm)
-6.75"
(-171.45mm)
24th Driest Driest since: 1899 1957
99th Wettest Wettest since: 1910 2010
Oct 1907–Sep 1911
48-Month
122.42"
(3,109.47mm)
128.36"
(3,260.34mm)
-5.94"
(-150.87mm)
32nd Driest Driest since: 1901 1958
90th Wettest Wettest since: 1910 2010
Oct 1906–Sep 1911
60-Month
155.94"
(3,960.88mm)
160.34"
(4,072.64mm)
-4.40"
(-111.76mm)
38th Driest Driest since: 1901 1957
83rd Wettest Wettest since: 1910 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/