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 October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 1921

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1921
1-Month
1.96"
(49.78mm)
2.29"
(58.17mm)
-0.33"
(-8.39mm)
55th Driest Driest since: 1917 1952
71st Wettest Wettest since: 1920 2009
Ties: 1980
Sep–Oct 1921
2-Month
8.65"
(219.71mm)
5.96"
(151.38mm)
2.69"
(68.33mm)
111th Driest Driest since: 1920 1952
15th Wettest Wettest since: 1914 1941
Aug–Oct 1921
3-Month
13.67"
(347.22mm)
9.80"
(248.92mm)
3.87"
(98.30mm)
113th Driest Driest since: 1920 1953
13th Wettest Wettest since: 1900 2018
Jul–Oct 1921
4-Month
16.26"
(413.00mm)
13.66"
(346.96mm)
2.60"
(66.04mm)
98th Driest Driest since: 1920 1953, 1976
28th Wettest Wettest since: 1915 1993
Jun–Oct 1921
5-Month
19.89"
(505.21mm)
18.29"
(464.57mm)
1.60"
(40.64mm)
83rd Driest Driest since: 1920 1976
43rd Wettest Wettest since: 1915 1993
May–Oct 1921
6-Month
24.19"
(614.43mm)
22.33"
(567.18mm)
1.86"
(47.25mm)
83rd Driest Driest since: 1920 1976
43rd Wettest Wettest since: 1918 1993
Ties: 1914
Apr–Oct 1921
7-Month
27.56"
(700.02mm)
25.28"
(642.11mm)
2.28"
(57.91mm)
87th Driest Driest since: 1920 1988
39th Wettest Wettest since: 1915 1993
Mar–Oct 1921
8-Month
29.15"
(740.41mm)
27.23"
(691.64mm)
1.92"
(48.77mm)
82nd Driest Driest since: 1920 1988
44th Wettest Wettest since: 1919 1993
Feb–Oct 1921
9-Month
29.90"
(759.46mm)
28.25"
(717.55mm)
1.65"
(41.91mm)
76th Driest Driest since: 1920 1988
50th Wettest Wettest since: 1919 1993
Jan–Oct 1921
10-Month
30.38"
(771.65mm)
29.23"
(742.44mm)
1.15"
(29.21mm)
74th Driest Driest since: 1920 1988
52nd Wettest Wettest since: 1919 1993
Dec 1920–Oct 1921
11-Month
31.56"
(801.62mm)
30.33"
(770.38mm)
1.23"
(31.24mm)
73rd Driest Driest since: 1920 1988
52nd Wettest Wettest since: 1919 1993
Nov 1920–Oct 1921
12-Month
33.78"
(858.01mm)
32.07"
(814.58mm)
1.71"
(43.43mm)
74th Driest Driest since: 1920 1956
51st Wettest Wettest since: 1919 1993
May 1920–Oct 1921
18-Month
53.14"
(1,349.76mm)
54.47"
(1,383.54mm)
-1.33"
(-33.78mm)
52nd Driest Driest since: 1918 1956
73rd Wettest Wettest since: 1920 2019
Nov 1919–Oct 1921
24-Month
65.42"
(1,661.67mm)
64.23"
(1,631.44mm)
1.19"
(30.23mm)
67th Driest Driest since: 1918 1956
57th Wettest Wettest since: 1920 1993
Nov 1918–Oct 1921
36-Month
101.10"
(2,567.94mm)
96.34"
(2,447.04mm)
4.76"
(120.90mm)
85th Driest Driest since: 1920 1957
38th Wettest Wettest since: 1909 2010
Ties: 1944
Nov 1917–Oct 1921
48-Month
131.20"
(3,332.48mm)
128.36"
(3,260.34mm)
2.84"
(72.14mm)
75th Driest Driest since: 1920 1958
47th Wettest Wettest since: 1909 2010
Nov 1916–Oct 1921
60-Month
160.56"
(4,078.22mm)
160.34"
(4,072.64mm)
0.22"
(5.58mm)
60th Driest Driest since: 1920 1956
61st Wettest Wettest since: 1919 2010
Ties: 1923

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 9, 2019 from https://www.ncdc.noaa.gov/cag/