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 1947

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1947
1-Month
1.45"
(36.83mm)
1.11"
(28.19mm)
0.34"
(8.64mm)
91st Driest Driest since: 1946 2002
37th Wettest Wettest since: 1945 2015
Ties: 1895, 1906
Nov–Dec 1947
2-Month
3.33"
(84.58mm)
2.87"
(72.90mm)
0.46"
(11.68mm)
84th Driest Driest since: 1946 1976
44th Wettest Wettest since: 1941 2015
Oct–Dec 1947
3-Month
7.07"
(179.58mm)
5.16"
(131.06mm)
1.91"
(48.52mm)
108th Driest Driest since: 1946 1910
20th Wettest Wettest since: 1941 1931
Sep–Dec 1947
4-Month
9.17"
(232.92mm)
8.83"
(224.28mm)
0.34"
(8.64mm)
77th Driest Driest since: 1945 1939, 1976
51st Wettest Wettest since: 1946 1931
Aug–Dec 1947
5-Month
10.67"
(271.02mm)
12.67"
(321.82mm)
-2.00"
(-50.80mm)
35th Driest Driest since: 1943 1976
93rd Wettest Wettest since: 1946 2018
Jul–Dec 1947
6-Month
12.32"
(312.93mm)
16.52"
(419.61mm)
-4.20"
(-106.68mm)
17th Driest Driest since: 1939 1976
111th Wettest Wettest since: 1946 2018
Jun–Dec 1947
7-Month
22.22"
(564.39mm)
21.15"
(537.21mm)
1.07"
(27.18mm)
74th Driest Driest since: 1945 1976
54th Wettest Wettest since: 1946 2018
May–Dec 1947
8-Month
26.45"
(671.83mm)
25.20"
(640.08mm)
1.25"
(31.75mm)
75th Driest Driest since: 1945 1976
53rd Wettest Wettest since: 1946 1993
Apr–Dec 1947
9-Month
31.36"
(796.54mm)
28.15"
(715.01mm)
3.21"
(81.53mm)
90th Driest Driest since: 1946 1910
38th Wettest Wettest since: 1944 1993
Mar–Dec 1947
10-Month
32.71"
(830.83mm)
30.10"
(764.54mm)
2.61"
(66.29mm)
86th Driest Driest since: 1946 1910
42nd Wettest Wettest since: 1944 1993
Feb–Dec 1947
11-Month
33.01"
(838.45mm)
31.12"
(790.45mm)
1.89"
(48.00mm)
80th Driest Driest since: 1943 1910
48th Wettest Wettest since: 1946 1993
Ties: 1969
Jan–Dec 1947
12-Month
34.44"
(874.78mm)
32.09"
(815.09mm)
2.35"
(59.69mm)
84th Driest Driest since: 1945 1910
44th Wettest Wettest since: 1946 1993
Ties: 2013
Jul 1946–Dec 1947
18-Month
51.20"
(1,300.48mm)
48.69"
(1,236.73mm)
2.51"
(63.75mm)
81st Driest Driest since: 1946 1956
46th Wettest Wettest since: 1944 1993
Jan 1946–Dec 1947
24-Month
69.30"
(1,760.22mm)
64.24"
(1,631.70mm)
5.06"
(128.52mm)
92nd Driest Driest since: 1946 1989
35th Wettest Wettest since: 1945 2019
Jan 1945–Dec 1947
36-Month
103.51"
(2,629.15mm)
96.36"
(2,447.54mm)
7.15"
(181.61mm)
95th Driest Driest since: 1945 1957
31st Wettest Wettest since: 1946 2010
Jan 1944–Dec 1947
48-Month
140.17"
(3,560.32mm)
128.37"
(3,260.60mm)
11.80"
(299.72mm)
100th Driest Driest since: 1946 1958
25th Wettest Wettest since: 1905 2010
Jan 1943–Dec 1947
60-Month
171.26"
(4,350.00mm)
160.36"
(4,073.14mm)
10.90"
(276.86mm)
94th Driest Driest since: 1946 1956
30th Wettest Wettest since: 1909 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 4, 2022 from https://www.ncdc.noaa.gov/cag/