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 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, December 2019

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
December 2019
1-Month
1.28"
(32.51mm)
1.11"
(28.19mm)
0.17"
(4.32mm)
81st Driest Driest since: 2017 2002
46th Wettest Wettest since: 2018 2015
Ties: 2003
Nov–Dec 2019
2-Month
2.77"
(70.36mm)
2.87"
(72.90mm)
-0.10"
(-2.54mm)
64th Driest Driest since: 2017 1976
63rd Wettest Wettest since: 2018 2015
Oct–Dec 2019
3-Month
7.55"
(191.77mm)
5.16"
(131.06mm)
2.39"
(60.71mm)
112th Driest Driest since: 2017 1910
15th Wettest Wettest since: 2018 1931
Sep–Dec 2019
4-Month
13.76"
(349.50mm)
8.83"
(224.28mm)
4.93"
(125.22mm)
118th Driest Driest since: 2017 1939, 1976
9th Wettest Wettest since: 2018 1931
Aug–Dec 2019
5-Month
17.29"
(439.17mm)
12.67"
(321.82mm)
4.62"
(117.35mm)
113th Driest Driest since: 2017 1976
14th Wettest Wettest since: 2018 2018
Jul–Dec 2019
6-Month
20.67"
(525.02mm)
16.52"
(419.61mm)
4.15"
(105.41mm)
104th Driest Driest since: 2017 1976
23rd Wettest Wettest since: 2018 2018
Ties: 1987
Jun–Dec 2019
7-Month
24.58"
(624.33mm)
21.15"
(537.21mm)
3.43"
(87.12mm)
98th Driest Driest since: 2017 1976
29th Wettest Wettest since: 2018 2018
May–Dec 2019
8-Month
32.79"
(832.87mm)
25.20"
(640.08mm)
7.59"
(192.79mm)
119th Driest Driest since: 2017 1976
8th Wettest Wettest since: 2018 1993
Apr–Dec 2019
9-Month
35.82"
(909.83mm)
28.15"
(715.01mm)
7.67"
(194.82mm)
115th Driest Driest since: 2017 1910
12th Wettest Wettest since: 2018 1993
Mar–Dec 2019
10-Month
38.01"
(965.45mm)
30.10"
(764.54mm)
7.91"
(200.91mm)
115th Driest Driest since: 2017 1910
12th Wettest Wettest since: 2018 1993
Feb–Dec 2019
11-Month
40.35"
(1,024.89mm)
31.12"
(790.45mm)
9.23"
(234.44mm)
117th Driest Driest since: 2017 1910
10th Wettest Wettest since: 2018 1993
Jan–Dec 2019
12-Month
41.63"
(1,057.40mm)
32.09"
(815.09mm)
9.54"
(242.31mm)
117th Driest Driest since: 2017 1910
10th Wettest Wettest since: 2018 1993
Jul 2018–Dec 2019
18-Month
68.08"
(1,729.23mm)
48.69"
(1,236.73mm)
19.39"
(492.50mm)
124th Driest Driest since: 2018 1956
2nd Wettest Wettest since: 1993 1993
Jan 2018–Dec 2019
24-Month
86.71"
(2,202.43mm)
64.24"
(1,631.70mm)
22.47"
(570.73mm)
125th Driest Driest since: 2018 1989
1st Wettest Wettest to Date 2019
Jan 2017–Dec 2019
36-Month
119.07"
(3,024.38mm)
96.36"
(2,447.54mm)
22.71"
(576.84mm)
120th Driest Driest since: 2018 1957
5th Wettest Wettest since: 2016 2010
Jan 2016–Dec 2019
48-Month
157.17"
(3,992.12mm)
128.37"
(3,260.60mm)
28.80"
(731.52mm)
119th Driest Driest since: 2017 1958
5th Wettest Wettest since: 2018 2010
Jan 2015–Dec 2019
60-Month
199.70"
(5,072.38mm)
160.36"
(4,073.14mm)
39.34"
(999.24mm)
120th Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2011 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 17, 2021 from https://www.ncdc.noaa.gov/cag/