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, December 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1974
1-Month
1.12"
(28.45mm)
1.11"
(28.19mm)
0.01"
(0.26mm)
70th Driest Driest since: 1970 2002
58th Wettest Wettest since: 1973 2015
Ties: 1970
Nov–Dec 1974
2-Month
2.53"
(64.26mm)
2.87"
(72.90mm)
-0.34"
(-8.64mm)
55th Driest Driest since: 1969 1976
73rd Wettest Wettest since: 1973 2015
Oct–Dec 1974
3-Month
5.43"
(137.92mm)
5.16"
(131.06mm)
0.27"
(6.86mm)
72nd Driest Driest since: 1969 1910
56th Wettest Wettest since: 1973 1931
Sep–Dec 1974
4-Month
7.02"
(178.31mm)
8.83"
(224.28mm)
-1.81"
(-45.97mm)
37th Driest Driest since: 1966 1939, 1976
91st Wettest Wettest since: 1973 1931
Aug–Dec 1974
5-Month
11.79"
(299.47mm)
12.67"
(321.82mm)
-0.88"
(-22.35mm)
51st Driest Driest since: 1969 1976
77th Wettest Wettest since: 1973 2018
Jul–Dec 1974
6-Month
14.08"
(357.63mm)
16.52"
(419.61mm)
-2.44"
(-61.98mm)
33rd Driest Driest since: 1967 1976
95th Wettest Wettest since: 1973 2018
Jun–Dec 1974
7-Month
18.78"
(477.01mm)
21.15"
(537.21mm)
-2.37"
(-60.20mm)
41st Driest Driest since: 1966 1976
87th Wettest Wettest since: 1973 2018
May–Dec 1974
8-Month
25.05"
(636.27mm)
25.20"
(640.08mm)
-0.15"
(-3.81mm)
64th Driest Driest since: 1971 1976
64th Wettest Wettest since: 1973 1993
Apr–Dec 1974
9-Month
28.39"
(721.11mm)
28.15"
(715.01mm)
0.24"
(6.10mm)
63rd Driest Driest since: 1971 1910
65th Wettest Wettest since: 1973 1993
Mar–Dec 1974
10-Month
30.10"
(764.54mm)
30.10"
(764.54mm)
0.00"
(0.00mm)
62nd Driest Driest since: 1971 1910
66th Wettest Wettest since: 1973 1993
Feb–Dec 1974
11-Month
30.77"
(781.56mm)
31.12"
(790.45mm)
-0.35"
(-8.89mm)
59th Driest Driest since: 1971 1910
69th Wettest Wettest since: 1973 1993
Jan–Dec 1974
12-Month
31.98"
(812.29mm)
32.09"
(815.09mm)
-0.11"
(-2.80mm)
63rd Driest Driest since: 1971 1910
65th Wettest Wettest since: 1973 1993
Jul 1973–Dec 1974
18-Month
53.71"
(1,364.23mm)
48.69"
(1,236.73mm)
5.02"
(127.50mm)
95th Driest Driest since: 1972 1956
32nd Wettest Wettest since: 1973 1993
Ties: 1942
Jan 1973–Dec 1974
24-Month
74.90"
(1,902.46mm)
64.24"
(1,631.70mm)
10.66"
(270.76mm)
112th Driest Driest since: 1972 1989
15th Wettest Wettest since: 1973 2019
Jan 1972–Dec 1974
36-Month
111.95"
(2,843.53mm)
96.36"
(2,447.54mm)
15.59"
(395.99mm)
111th Driest Driest since: 1973 1957
15th Wettest Wettest to Date 2010
Jan 1971–Dec 1974
48-Month
141.46"
(3,593.08mm)
128.37"
(3,260.60mm)
13.09"
(332.48mm)
104th Driest Driest since: 1972 1958
21st Wettest Wettest since: 1973 2010
Jan 1970–Dec 1974
60-Month
174.98"
(4,444.49mm)
160.36"
(4,073.14mm)
14.62"
(371.35mm)
102nd Driest Driest since: 1972 1956
22nd Wettest Wettest since: 1973 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/