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, January 1975

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
January 1975
1-Month
1.53"
(38.86mm)
0.98"
(24.89mm)
0.55"
(13.97mm)
104th Driest Driest since: 1974 1981
22nd Wettest Wettest since: 1973 1949
Ties: 1907
Dec 1974–Jan 1975
2-Month
2.65"
(67.31mm)
2.08"
(52.83mm)
0.57"
(14.48mm)
96th Driest Driest since: 1972 2003
29th Wettest Wettest since: 1974 2016
Ties: 2012
Nov 1974–Jan 1975
3-Month
4.06"
(103.12mm)
3.82"
(97.03mm)
0.24"
(6.09mm)
75th Driest Driest since: 1971 2003
50th Wettest Wettest since: 1974 1932
Oct 1974–Jan 1975
4-Month
6.96"
(176.78mm)
6.13"
(155.70mm)
0.83"
(21.08mm)
82nd Driest Driest since: 1970 1911
43rd Wettest Wettest since: 1974 1932
Sep 1974–Jan 1975
5-Month
8.55"
(217.17mm)
9.83"
(249.68mm)
-1.28"
(-32.51mm)
46th Driest Driest since: 1970 1977
79th Wettest Wettest since: 1974 1932
Aug 1974–Jan 1975
6-Month
13.32"
(338.33mm)
13.69"
(347.73mm)
-0.37"
(-9.40mm)
61st Driest Driest since: 1972 1977
64th Wettest Wettest since: 1974 2019
Jul 1974–Jan 1975
7-Month
15.61"
(396.49mm)
17.57"
(446.28mm)
-1.96"
(-49.79mm)
38th Driest Driest since: 1968 1977
87th Wettest Wettest since: 1974 2019
Jun 1974–Jan 1975
8-Month
20.31"
(515.87mm)
22.18"
(563.37mm)
-1.87"
(-47.50mm)
47th Driest Driest since: 1967 1977
78th Wettest Wettest since: 1974 2019
May 1974–Jan 1975
9-Month
26.58"
(675.13mm)
26.22"
(665.99mm)
0.36"
(9.14mm)
65th Driest Driest since: 1972 1977
60th Wettest Wettest since: 1974 1994
Apr 1974–Jan 1975
10-Month
29.92"
(759.97mm)
29.17"
(740.92mm)
0.75"
(19.05mm)
68th Driest Driest since: 1972 1911
57th Wettest Wettest since: 1974 1994
Mar 1974–Jan 1975
11-Month
31.63"
(803.40mm)
31.14"
(790.96mm)
0.49"
(12.44mm)
68th Driest Driest since: 1972 1911
57th Wettest Wettest since: 1974 1994
Feb 1974–Jan 1975
12-Month
32.30"
(820.42mm)
32.15"
(816.61mm)
0.15"
(3.81mm)
65th Driest Driest since: 1972 1911
60th Wettest Wettest since: 1974 1994
Aug 1973–Jan 1975
18-Month
50.02"
(1,270.51mm)
45.86"
(1,164.84mm)
4.16"
(105.67mm)
93rd Driest Driest since: 1972 1957
31st Wettest Wettest since: 1974 1994
Feb 1973–Jan 1975
24-Month
74.70"
(1,897.38mm)
64.28"
(1,632.71mm)
10.42"
(264.67mm)
109th Driest Driest since: 1973 1990
15th Wettest Wettest since: 1974 2009
Feb 1972–Jan 1975
36-Month
113.01"
(2,870.45mm)
96.29"
(2,445.77mm)
16.72"
(424.68mm)
110th Driest Driest since: 1974 1958
13th Wettest Wettest to Date 2011
Feb 1971–Jan 1975
48-Month
141.90"
(3,604.26mm)
128.27"
(3,258.06mm)
13.63"
(346.20mm)
105th Driest Driest since: 1973 1959
17th Wettest Wettest since: 1974 2011
Feb 1970–Jan 1975
60-Month
176.24"
(4,476.50mm)
160.30"
(4,071.62mm)
15.94"
(404.88mm)
104th Driest Driest since: 1973 1957
17th Wettest Wettest since: 1974 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 28, 2020 from https://www.ncdc.noaa.gov/cag/