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 October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 1898

View Period (Months):All123456789101112182436
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1898
1-Month
4.47"
(113.54mm)
4.05"
(102.87mm)
0.42"
(10.67mm)
76th Driest Driest since: 1897 1934
50th Wettest Wettest since: 1896 2013
Apr–May 1898
2-Month
6.94"
(176.28mm)
6.99"
(177.55mm)
-0.05"
(-1.27mm)
55th Driest Driest since: 1897 1934
71st Wettest Wettest since: 1896 2013
Mar–May 1898
3-Month
8.80"
(223.52mm)
8.95"
(227.33mm)
-0.15"
(-3.81mm)
57th Driest Driest since: 1895 1934
69th Wettest Wettest since: 1897 2013
Feb–May 1898
4-Month
9.94"
(252.48mm)
9.96"
(252.98mm)
-0.02"
(-0.50mm)
60th Driest Driest since: 1895 1934
66th Wettest Wettest since: 1897 2013
Jan–May 1898
5-Month
11.50"
(292.10mm)
10.94"
(277.88mm)
0.56"
(14.22mm)
71st Driest Driest since: 1895 1934
55th Wettest Wettest since: 1897 2013
Dec 1897–May 1898
6-Month
13.12"
(333.25mm)
12.04"
(305.82mm)
1.08"
(27.43mm)
80th Driest Driest since: 1897 1934
45th Wettest Wettest since: 1896 2013
Nov 1897–May 1898
7-Month
13.75"
(349.25mm)
13.78"
(350.01mm)
-0.03"
(-0.76mm)
57th Driest Driest to Date 1934
68th Wettest Wettest since: 1897 2013
Oct 1897–May 1898
8-Month
14.77"
(375.16mm)
16.10"
(408.94mm)
-1.33"
(-33.78mm)
41st Driest Driest to Date 1934
84th Wettest Wettest since: 1897 2019
Sep 1897–May 1898
9-Month
16.74"
(425.20mm)
19.79"
(502.67mm)
-3.05"
(-77.47mm)
29th Driest Driest to Date 1934
96th Wettest Wettest since: 1897 2019
Aug 1897–May 1898
10-Month
18.79"
(477.27mm)
23.65"
(600.71mm)
-4.86"
(-123.44mm)
10th Driest Driest to Date 1934
115th Wettest Wettest since: 1897 2019
Ties: 1900, 1968
Jul 1897–May 1898
11-Month
21.96"
(557.78mm)
27.54"
(699.52mm)
-5.58"
(-141.74mm)
15th Driest Driest to Date 1934
110th Wettest Wettest since: 1897 2019
Jun 1897–May 1898
12-Month
25.86"
(656.84mm)
32.14"
(816.36mm)
-6.28"
(-159.52mm)
12th Driest Driest to Date 1934
113th Wettest Wettest since: 1897 2019
Dec 1896–May 1898
18-Month
38.37"
(974.60mm)
44.20"
(1,122.68mm)
-5.83"
(-148.08mm)
17th Driest Driest to Date 1934
107th Wettest Wettest since: 1897 2019
Jun 1896–May 1898
24-Month
60.83"
(1,545.08mm)
64.29"
(1,632.97mm)
-3.46"
(-87.89mm)
37th Driest Driest to Date 1957
87th Wettest Wettest since: 1897 2011
Jun 1895–May 1898
36-Month
92.89"
(2,359.41mm)
96.33"
(2,446.78mm)
-3.44"
(-87.37mm)
46th Driest Driest to Date 1958
77th Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 19, 2019 from https://www.ncdc.noaa.gov/cag/