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, January 1970

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1970
1-Month
0.27"
(6.86mm)
0.98"
(24.89mm)
-0.71"
(-18.03mm)
9th Driest Driest since: 1961 1981
120th Wettest Wettest since: 1969 1949
Ties: 1961
Dec 1969–Jan 1970
2-Month
1.73"
(43.94mm)
2.08"
(52.83mm)
-0.35"
(-8.89mm)
48th Driest Driest since: 1968 2003
80th Wettest Wettest since: 1969 2016
Nov 1969–Jan 1970
3-Month
2.00"
(50.80mm)
3.82"
(97.03mm)
-1.82"
(-46.23mm)
14th Driest Driest since: 1963 2003
114th Wettest Wettest since: 1969 1932
Oct 1969–Jan 1970
4-Month
5.61"
(142.49mm)
6.13"
(155.70mm)
-0.52"
(-13.21mm)
55th Driest Driest since: 1968 1911
73rd Wettest Wettest since: 1969 1932
Sep 1969–Jan 1970
5-Month
7.95"
(201.93mm)
9.83"
(249.68mm)
-1.88"
(-47.75mm)
36th Driest Driest since: 1967 1977
92nd Wettest Wettest since: 1969 1932
Aug 1969–Jan 1970
6-Month
10.57"
(268.48mm)
13.69"
(347.73mm)
-3.12"
(-79.25mm)
22nd Driest Driest since: 1967 1977
106th Wettest Wettest since: 1969 2019
Jul 1969–Jan 1970
7-Month
16.83"
(427.48mm)
17.57"
(446.28mm)
-0.74"
(-18.80mm)
57th Driest Driest since: 1968 1977
71st Wettest Wettest since: 1969 2019
Jun 1969–Jan 1970
8-Month
24.02"
(610.11mm)
22.18"
(563.37mm)
1.84"
(46.74mm)
87th Driest Driest since: 1968 1977
41st Wettest Wettest since: 1969 2019
Ties: 1915
May 1969–Jan 1970
9-Month
27.84"
(707.14mm)
26.22"
(665.99mm)
1.62"
(41.15mm)
78th Driest Driest since: 1968 1977
50th Wettest Wettest since: 1969 1994
Apr 1969–Jan 1970
10-Month
31.21"
(792.73mm)
29.17"
(740.92mm)
2.04"
(51.81mm)
82nd Driest Driest since: 1968 1911
46th Wettest Wettest since: 1969 1994
Mar 1969–Jan 1970
11-Month
32.30"
(820.42mm)
31.14"
(790.96mm)
1.16"
(29.46mm)
75th Driest Driest since: 1968 1911
53rd Wettest Wettest since: 1969 1994
Feb 1969–Jan 1970
12-Month
33.28"
(845.31mm)
32.15"
(816.61mm)
1.13"
(28.70mm)
75th Driest Driest since: 1968 1911
53rd Wettest Wettest since: 1969 1994
Ties: 1996
Aug 1968–Jan 1970
18-Month
50.00"
(1,270.00mm)
45.86"
(1,164.84mm)
4.14"
(105.16mm)
94th Driest Driest since: 1969 1957
33rd Wettest Wettest since: 1966 2020
Feb 1968–Jan 1970
24-Month
67.23"
(1,707.64mm)
64.28"
(1,632.71mm)
2.95"
(74.93mm)
79th Driest Driest since: 1969 1990
48th Wettest Wettest since: 1966 2020
Feb 1967–Jan 1970
36-Month
96.81"
(2,458.97mm)
96.29"
(2,445.77mm)
0.52"
(13.20mm)
63rd Driest Driest since: 1969 1958
63rd Wettest Wettest since: 1967 2011
Feb 1966–Jan 1970
48-Month
122.34"
(3,107.44mm)
128.27"
(3,258.06mm)
-5.93"
(-150.62mm)
30th Driest Driest since: 1960 1959
95th Wettest Wettest since: 1969 2011
Feb 1965–Jan 1970
60-Month
162.17"
(4,119.12mm)
160.30"
(4,071.62mm)
1.87"
(47.50mm)
66th Driest Driest since: 1969 1957
58th Wettest Wettest since: 1966 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 5, 2022 from https://www.ncdc.noaa.gov/cag/