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 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
January 1978
1-Month
0.59"
(14.99mm)
0.98"
(24.89mm)
-0.39"
(-9.90mm)
33rd Driest Driest since: 1977 1981
95th Wettest Wettest since: 1975 1949
Ties: 2016
Dec 1977–Jan 1978
2-Month
1.65"
(41.91mm)
2.08"
(52.83mm)
-0.43"
(-10.92mm)
41st Driest Driest since: 1977 2003
86th Wettest Wettest since: 1975 2016
Nov 1977–Jan 1978
3-Month
3.30"
(83.82mm)
3.82"
(97.03mm)
-0.52"
(-13.21mm)
49th Driest Driest since: 1977 2003
78th Wettest Wettest since: 1976 1932
Ties: 2008
Oct 1977–Jan 1978
4-Month
7.42"
(188.47mm)
6.13"
(155.70mm)
1.29"
(32.77mm)
93rd Driest Driest since: 1977 1911
34th Wettest Wettest since: 1974 1932
Sep 1977–Jan 1978
5-Month
12.11"
(307.59mm)
9.83"
(249.68mm)
2.28"
(57.91mm)
97th Driest Driest since: 1977 1977
30th Wettest Wettest since: 1974 1932
Ties: 1947
Aug 1977–Jan 1978
6-Month
20.31"
(515.87mm)
13.69"
(347.73mm)
6.62"
(168.14mm)
122nd Driest Driest since: 1977 1977
5th Wettest Wettest since: 1932 2019
Jul 1977–Jan 1978
7-Month
24.30"
(617.22mm)
17.57"
(446.28mm)
6.73"
(170.94mm)
116th Driest Driest since: 1977 1977
11th Wettest Wettest since: 1973 2019
Jun 1977–Jan 1978
8-Month
26.97"
(685.04mm)
22.18"
(563.37mm)
4.79"
(121.67mm)
107th Driest Driest since: 1977 1977
20th Wettest Wettest since: 1973 2019
May 1977–Jan 1978
9-Month
29.74"
(755.40mm)
26.22"
(665.99mm)
3.52"
(89.41mm)
97th Driest Driest since: 1977 1977
30th Wettest Wettest since: 1974 1994
Apr 1977–Jan 1978
10-Month
32.27"
(819.66mm)
29.17"
(740.92mm)
3.10"
(78.74mm)
89th Driest Driest since: 1977 1911
38th Wettest Wettest since: 1974 1994
Mar 1977–Jan 1978
11-Month
36.17"
(918.72mm)
31.14"
(790.96mm)
5.03"
(127.76mm)
102nd Driest Driest since: 1977 1911
25th Wettest Wettest since: 1974 1994
Feb 1977–Jan 1978
12-Month
36.68"
(931.67mm)
32.15"
(816.61mm)
4.53"
(115.06mm)
98th Driest Driest since: 1977 1911
29th Wettest Wettest since: 1974 1994
Aug 1976–Jan 1978
18-Month
42.07"
(1,068.58mm)
45.86"
(1,164.84mm)
-3.79"
(-96.26mm)
36th Driest Driest since: 1977 1957
90th Wettest Wettest since: 1976 2020
Feb 1976–Jan 1978
24-Month
60.55"
(1,537.97mm)
64.28"
(1,632.71mm)
-3.73"
(-94.74mm)
39th Driest Driest since: 1977 1990
87th Wettest Wettest since: 1976 2020
Feb 1975–Jan 1978
36-Month
89.32"
(2,268.73mm)
96.29"
(2,445.77mm)
-6.97"
(-177.04mm)
22nd Driest Driest since: 1977 1958
103rd Wettest Wettest since: 1976 2011
Feb 1974–Jan 1978
48-Month
121.62"
(3,089.15mm)
128.27"
(3,258.06mm)
-6.65"
(-168.91mm)
27th Driest Driest since: 1960 1959
97th Wettest Wettest since: 1977 2011
Ties: 1939
Feb 1973–Jan 1978
60-Month
164.02"
(4,166.11mm)
160.30"
(4,071.62mm)
3.72"
(94.49mm)
72nd Driest Driest since: 1972 1957
51st Wettest Wettest since: 1977 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 19, 2022 from https://www.ncdc.noaa.gov/cag/