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


Iowa

Precipitation Rankings, October 1939

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 1939
1-Month
1.48"
(37.59mm)
2.29"
(58.17mm)
-0.81"
(-20.58mm)
30th Driest Driest since: 1938 1952
96th Wettest Wettest since: 1937 2009
Ties: 1942, 1955
Sep–Oct 1939
2-Month
2.32"
(58.93mm)
5.96"
(151.38mm)
-3.64"
(-92.45mm)
3rd Driest Driest to Date 1952
123rd Wettest Wettest since: 1938 1941
Aug–Oct 1939
3-Month
6.99"
(177.55mm)
9.80"
(248.92mm)
-2.81"
(-71.37mm)
19th Driest Driest since: 1930 1953
107th Wettest Wettest since: 1938 2018
Jul–Oct 1939
4-Month
10.19"
(258.83mm)
13.66"
(346.96mm)
-3.47"
(-88.13mm)
16th Driest Driest since: 1930 1953, 1976
110th Wettest Wettest since: 1938 1993
Jun–Oct 1939
5-Month
15.11"
(383.79mm)
18.29"
(464.57mm)
-3.18"
(-80.78mm)
25th Driest Driest since: 1937 1976
101st Wettest Wettest since: 1938 1993
May–Oct 1939
6-Month
17.15"
(435.61mm)
22.33"
(567.18mm)
-5.18"
(-131.57mm)
10th Driest Driest since: 1910 1976
116th Wettest Wettest since: 1938 1993
Apr–Oct 1939
7-Month
19.15"
(486.41mm)
25.28"
(642.11mm)
-6.13"
(-155.70mm)
11th Driest Driest since: 1934 1988
115th Wettest Wettest since: 1938 1993
Mar–Oct 1939
8-Month
20.78"
(527.81mm)
27.23"
(691.64mm)
-6.45"
(-163.83mm)
8th Driest Driest since: 1936 1988
118th Wettest Wettest since: 1938 1993
Ties: 2012
Feb–Oct 1939
9-Month
22.55"
(572.77mm)
28.25"
(717.55mm)
-5.70"
(-144.78mm)
14th Driest Driest since: 1936 1988
112th Wettest Wettest since: 1938 1993
Jan–Oct 1939
10-Month
23.41"
(594.61mm)
29.23"
(742.44mm)
-5.82"
(-147.83mm)
14th Driest Driest since: 1936 1988
112th Wettest Wettest since: 1938 1993
Dec 1938–Oct 1939
11-Month
24.10"
(612.14mm)
30.33"
(770.38mm)
-6.23"
(-158.24mm)
9th Driest Driest since: 1934 1988
116th Wettest Wettest since: 1938 1993
Nov 1938–Oct 1939
12-Month
26.80"
(680.72mm)
32.07"
(814.58mm)
-5.27"
(-133.86mm)
12th Driest Driest since: 1934 1956
113th Wettest Wettest since: 1938 1993
May 1938–Oct 1939
18-Month
51.73"
(1,313.94mm)
54.47"
(1,383.54mm)
-2.74"
(-69.60mm)
42nd Driest Driest since: 1937 1956
83rd Wettest Wettest since: 1938 2019
Nov 1937–Oct 1939
24-Month
61.18"
(1,553.97mm)
64.23"
(1,631.44mm)
-3.05"
(-77.47mm)
39th Driest Driest since: 1937 1956
85th Wettest Wettest since: 1938 1993
Nov 1936–Oct 1939
36-Month
89.40"
(2,270.76mm)
96.34"
(2,447.04mm)
-6.94"
(-176.28mm)
19th Driest Driest since: 1936 1957
104th Wettest Wettest since: 1938 2010
Nov 1935–Oct 1939
48-Month
116.40"
(2,956.56mm)
128.36"
(3,260.34mm)
-11.96"
(-303.78mm)
10th Driest Driest since: 1937 1958
112th Wettest Wettest since: 1938 2010
Nov 1934–Oct 1939
60-Month
150.81"
(3,830.57mm)
160.34"
(4,072.64mm)
-9.53"
(-242.07mm)
17th Driest Driest since: 1938 1956
104th Wettest Wettest since: 1932 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 13, 2019 from https://www.ncdc.noaa.gov/cag/