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 January 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, January 1979

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
January 1979
1-Month
1.66"
(42.16mm)
0.98"
(24.89mm)
0.68"
(17.27mm)
112th Driest Driest since: 1978 1981
15th Wettest Wettest since: 1973 1949
Ties: 1936
Dec 1978–Jan 1979
2-Month
2.68"
(68.07mm)
2.08"
(52.83mm)
0.60"
(15.24mm)
98th Driest Driest since: 1978 2003
28th Wettest Wettest since: 1974 2016
Nov 1978–Jan 1979
3-Month
5.09"
(129.29mm)
3.82"
(97.03mm)
1.27"
(32.26mm)
105th Driest Driest since: 1978 2003
21st Wettest Wettest since: 1974 1932
Ties: 1962
Oct 1978–Jan 1979
4-Month
6.40"
(162.56mm)
6.13"
(155.70mm)
0.27"
(6.86mm)
72nd Driest Driest since: 1977 1911
54th Wettest Wettest since: 1978 1932
Sep 1978–Jan 1979
5-Month
11.91"
(302.51mm)
9.83"
(249.68mm)
2.08"
(52.83mm)
93rd Driest Driest since: 1977 1977
33rd Wettest Wettest since: 1978 1932
Aug 1978–Jan 1979
6-Month
15.20"
(386.08mm)
13.69"
(347.73mm)
1.51"
(38.35mm)
82nd Driest Driest since: 1977 1977
44th Wettest Wettest since: 1978 2019
Ties: 1916
Jul 1978–Jan 1979
7-Month
21.07"
(535.18mm)
17.57"
(446.28mm)
3.50"
(88.90mm)
98th Driest Driest since: 1977 1977
28th Wettest Wettest since: 1978 2019
Jun 1978–Jan 1979
8-Month
25.32"
(643.13mm)
22.18"
(563.37mm)
3.14"
(79.76mm)
94th Driest Driest since: 1977 1977
32nd Wettest Wettest since: 1978 2019
May 1978–Jan 1979
9-Month
29.08"
(738.63mm)
26.22"
(665.99mm)
2.86"
(72.64mm)
89th Driest Driest since: 1977 1977
37th Wettest Wettest since: 1978 1994
Apr 1978–Jan 1979
10-Month
33.72"
(856.49mm)
29.17"
(740.92mm)
4.55"
(115.57mm)
98th Driest Driest since: 1978 1911
28th Wettest Wettest since: 1974 1994
Mar 1978–Jan 1979
11-Month
34.43"
(874.52mm)
31.14"
(790.96mm)
3.29"
(83.56mm)
88th Driest Driest since: 1977 1911
38th Wettest Wettest since: 1978 1994
Feb 1978–Jan 1979
12-Month
35.21"
(894.33mm)
32.15"
(816.61mm)
3.06"
(77.72mm)
85th Driest Driest since: 1977 1911
41st Wettest Wettest since: 1978 1994
Aug 1977–Jan 1979
18-Month
55.52"
(1,410.21mm)
45.86"
(1,164.84mm)
9.66"
(245.37mm)
112th Driest Driest since: 1978 1957
13th Wettest Wettest since: 1974 2020
Feb 1977–Jan 1979
24-Month
71.89"
(1,826.01mm)
64.28"
(1,632.71mm)
7.61"
(193.30mm)
100th Driest Driest since: 1978 1990
25th Wettest Wettest since: 1975 2020
Feb 1976–Jan 1979
36-Month
95.76"
(2,432.30mm)
96.29"
(2,445.77mm)
-0.53"
(-13.47mm)
57th Driest Driest since: 1978 1958
67th Wettest Wettest since: 1976 2011
Feb 1975–Jan 1979
48-Month
124.53"
(3,163.06mm)
128.27"
(3,258.06mm)
-3.74"
(-95.00mm)
39th Driest Driest since: 1978 1959
84th Wettest Wettest since: 1977 2011
Feb 1974–Jan 1979
60-Month
156.83"
(3,983.48mm)
160.30"
(4,071.62mm)
-3.47"
(-88.14mm)
39th Driest Driest since: 1971 1957
83rd Wettest Wettest since: 1978 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 21, 2020 from https://www.ncdc.noaa.gov/cag/