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 1951

View Period (Months):All1234567891011121824364860
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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 1951
1-Month
4.98"
(126.49mm)
4.05"
(102.87mm)
0.93"
(23.62mm)
93rd Driest Driest since: 1950 1934
33rd Wettest Wettest since: 1945 2013
Apr–May 1951
2-Month
9.87"
(250.70mm)
6.99"
(177.55mm)
2.88"
(73.15mm)
108th Driest Driest since: 1950 1934
18th Wettest Wettest since: 1945 2013
Mar–May 1951
3-Month
14.05"
(356.87mm)
8.95"
(227.33mm)
5.10"
(129.54mm)
122nd Driest Driest since: 1950 1934
4th Wettest Wettest to Date 2013
Feb–May 1951
4-Month
16.47"
(418.34mm)
9.96"
(252.98mm)
6.51"
(165.36mm)
124th Driest Driest since: 1950 1934
2nd Wettest Wettest to Date 2013
Jan–May 1951
5-Month
17.08"
(433.83mm)
10.94"
(277.88mm)
6.14"
(155.95mm)
123rd Driest Driest since: 1950 1934
3rd Wettest Wettest to Date 2013
Dec 1950–May 1951
6-Month
17.83"
(452.88mm)
12.04"
(305.82mm)
5.79"
(147.06mm)
121st Driest Driest since: 1950 1934
4th Wettest Wettest to Date 2013
Nov 1950–May 1951
7-Month
18.40"
(467.36mm)
13.78"
(350.01mm)
4.62"
(117.35mm)
111th Driest Driest since: 1950 1934
14th Wettest Wettest since: 1945 2013
Oct 1950–May 1951
8-Month
19.66"
(499.36mm)
16.10"
(408.94mm)
3.56"
(90.42mm)
101st Driest Driest since: 1950 1934
24th Wettest Wettest since: 1932 2019
Sep 1950–May 1951
9-Month
21.75"
(552.45mm)
19.79"
(502.67mm)
1.96"
(49.78mm)
81st Driest Driest since: 1950 1934
44th Wettest Wettest since: 1947 2019
Aug 1950–May 1951
10-Month
24.15"
(613.41mm)
23.65"
(600.71mm)
0.50"
(12.70mm)
66th Driest Driest since: 1950 1934
59th Wettest Wettest since: 1947 2019
Jul 1950–May 1951
11-Month
28.62"
(726.95mm)
27.54"
(699.52mm)
1.08"
(27.43mm)
70th Driest Driest since: 1950 1934
55th Wettest Wettest since: 1947 2019
Jun 1950–May 1951
12-Month
34.38"
(873.25mm)
32.14"
(816.36mm)
2.24"
(56.89mm)
80th Driest Driest since: 1950 1934
45th Wettest Wettest since: 1947 2019
Dec 1949–May 1951
18-Month
47.19"
(1,198.63mm)
44.20"
(1,122.68mm)
2.99"
(75.95mm)
83rd Driest Driest since: 1950 1934
41st Wettest Wettest since: 1947 2019
Jun 1949–May 1951
24-Month
64.21"
(1,630.93mm)
64.29"
(1,632.97mm)
-0.08"
(-2.04mm)
59th Driest Driest since: 1950 1957
65th Wettest Wettest since: 1948 2011
Jun 1948–May 1951
36-Month
93.05"
(2,363.47mm)
96.33"
(2,446.78mm)
-3.28"
(-83.31mm)
47th Driest Driest since: 1950 1958
76th Wettest Wettest since: 1949 2011
Jun 1947–May 1951
48-Month
125.00"
(3,175.00mm)
128.31"
(3,259.07mm)
-3.31"
(-84.07mm)
45th Driest Driest since: 1942 1957
77th Wettest Wettest since: 1950 2011
Jun 1946–May 1951
60-Month
160.23"
(4,069.84mm)
160.32"
(4,072.13mm)
-0.09"
(-2.29mm)
58th Driest Driest since: 1950 1958
63rd Wettest Wettest since: 1949 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 22, 2019 from https://www.ncdc.noaa.gov/cag/