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 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, January 1947

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
January 1947
1-Month
1.43"
(36.32mm)
0.98"
(24.89mm)
0.45"
(11.43mm)
103rd Driest Driest since: 1945 1981
25th Wettest Wettest since: 1946 1949
Dec 1946–Jan 1947
2-Month
2.05"
(52.07mm)
2.08"
(52.83mm)
-0.03"
(-0.76mm)
65th Driest Driest since: 1945 2003
62nd Wettest Wettest since: 1946 2016
Ties: 1998
Nov 1946–Jan 1947
3-Month
3.78"
(96.01mm)
3.82"
(97.03mm)
-0.04"
(-1.02mm)
63rd Driest Driest since: 1945 2003
64th Wettest Wettest since: 1946 1932
Oct 1946–Jan 1947
4-Month
7.09"
(180.09mm)
6.13"
(155.70mm)
0.96"
(24.39mm)
87th Driest Driest since: 1946 1911
40th Wettest Wettest since: 1942 1932
Sep 1946–Jan 1947
5-Month
12.11"
(307.59mm)
9.83"
(249.68mm)
2.28"
(57.91mm)
97th Driest Driest since: 1946 1977
30th Wettest Wettest since: 1942 1932
Ties: 1978
Aug 1946–Jan 1947
6-Month
15.71"
(399.03mm)
13.69"
(347.73mm)
2.02"
(51.30mm)
89th Driest Driest since: 1946 1977
38th Wettest Wettest since: 1942 2019
Jul 1946–Jan 1947
7-Month
18.19"
(462.03mm)
17.57"
(446.28mm)
0.62"
(15.75mm)
75th Driest Driest since: 1946 1977
52nd Wettest Wettest since: 1942 2019
Jun 1946–Jan 1947
8-Month
24.44"
(620.78mm)
22.18"
(563.37mm)
2.26"
(57.41mm)
91st Driest Driest since: 1946 1977
36th Wettest Wettest since: 1942 2019
May 1946–Jan 1947
9-Month
28.96"
(735.58mm)
26.22"
(665.99mm)
2.74"
(69.59mm)
88th Driest Driest since: 1946 1977
39th Wettest Wettest since: 1942 1994
Apr 1946–Jan 1947
10-Month
30.10"
(764.54mm)
29.17"
(740.92mm)
0.93"
(23.62mm)
71st Driest Driest since: 1944 1911
56th Wettest Wettest since: 1946 1994
Mar 1946–Jan 1947
11-Month
34.13"
(866.90mm)
31.14"
(790.96mm)
2.99"
(75.94mm)
84th Driest Driest since: 1946 1911
43rd Wettest Wettest since: 1945 1994
Feb 1946–Jan 1947
12-Month
34.50"
(876.30mm)
32.15"
(816.61mm)
2.35"
(59.69mm)
83rd Driest Driest since: 1944 1911
44th Wettest Wettest since: 1946 1994
Aug 1945–Jan 1947
18-Month
47.33"
(1,202.18mm)
45.86"
(1,164.84mm)
1.47"
(37.34mm)
74th Driest Driest since: 1944 1957
52nd Wettest Wettest since: 1946 2020
Feb 1945–Jan 1947
24-Month
69.83"
(1,773.68mm)
64.28"
(1,632.71mm)
5.55"
(140.97mm)
92nd Driest Driest since: 1945 1990
34th Wettest Wettest since: 1946 2020
Feb 1944–Jan 1947
36-Month
106.09"
(2,694.69mm)
96.29"
(2,445.77mm)
9.80"
(248.92mm)
103rd Driest Driest since: 1946 1958
22nd Wettest Wettest since: 1905 2011
Feb 1943–Jan 1947
48-Month
137.48"
(3,491.99mm)
128.27"
(3,258.06mm)
9.21"
(233.93mm)
93rd Driest Driest since: 1946 1959
31st Wettest Wettest since: 1910 2011
Feb 1942–Jan 1947
60-Month
170.10"
(4,320.54mm)
160.30"
(4,071.62mm)
9.80"
(248.92mm)
90th Driest Driest since: 1945 1957
33rd Wettest Wettest since: 1946 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 25, 2022 from https://www.ncdc.noaa.gov/cag/