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 1950

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 1950
1-Month
4.89"
(124.21mm)
4.05"
(102.87mm)
0.84"
(21.34mm)
90th Driest Driest since: 1949 1934
36th Wettest Wettest since: 1945 2013
Ties: 1999
Apr–May 1950
2-Month
7.66"
(194.56mm)
6.99"
(177.55mm)
0.67"
(17.01mm)
73rd Driest Driest since: 1949 1934
53rd Wettest Wettest since: 1947 2013
Mar–May 1950
3-Month
8.69"
(220.73mm)
8.95"
(227.33mm)
-0.26"
(-6.60mm)
54th Driest Driest since: 1949 1934
72nd Wettest Wettest since: 1947 2013
Feb–May 1950
4-Month
10.22"
(259.59mm)
9.96"
(252.98mm)
0.26"
(6.61mm)
71st Driest Driest since: 1949 1934
55th Wettest Wettest since: 1947 2013
Ties: 1979
Jan–May 1950
5-Month
11.72"
(297.69mm)
10.94"
(277.88mm)
0.78"
(19.81mm)
78th Driest Driest since: 1949 1934
48th Wettest Wettest since: 1947 2013
Dec 1949–May 1950
6-Month
12.81"
(325.37mm)
12.04"
(305.82mm)
0.77"
(19.55mm)
73rd Driest Driest since: 1949 1934
52nd Wettest Wettest since: 1947 2013
Nov 1949–May 1950
7-Month
13.31"
(338.07mm)
13.78"
(350.01mm)
-0.47"
(-11.94mm)
54th Driest Driest since: 1948 1934
71st Wettest Wettest since: 1949 2013
Oct 1949–May 1950
8-Month
15.23"
(386.84mm)
16.10"
(408.94mm)
-0.87"
(-22.10mm)
47th Driest Driest since: 1943 1934
78th Wettest Wettest since: 1949 2019
Sep 1949–May 1950
9-Month
18.43"
(468.12mm)
19.79"
(502.67mm)
-1.36"
(-34.55mm)
44th Driest Driest since: 1949 1934
81st Wettest Wettest since: 1948 2019
Aug 1949–May 1950
10-Month
20.72"
(526.29mm)
23.65"
(600.71mm)
-2.93"
(-74.42mm)
30th Driest Driest since: 1948 1934
95th Wettest Wettest since: 1949 2019
Jul 1949–May 1950
11-Month
24.28"
(616.71mm)
27.54"
(699.52mm)
-3.26"
(-82.81mm)
26th Driest Driest since: 1948 1934
99th Wettest Wettest since: 1949 2019
Ties: 1917
Jun 1949–May 1950
12-Month
29.83"
(757.68mm)
32.14"
(816.36mm)
-2.31"
(-58.68mm)
41st Driest Driest since: 1949 1934
84th Wettest Wettest since: 1948 2019
Dec 1948–May 1950
18-Month
41.56"
(1,055.62mm)
44.20"
(1,122.68mm)
-2.64"
(-67.06mm)
40th Driest Driest since: 1949 1934
84th Wettest Wettest since: 1948 2019
Jun 1948–May 1950
24-Month
58.67"
(1,490.22mm)
64.29"
(1,632.97mm)
-5.62"
(-142.75mm)
27th Driest Driest since: 1941 1957
97th Wettest Wettest since: 1949 2011
Jun 1947–May 1950
36-Month
90.62"
(2,301.75mm)
96.33"
(2,446.78mm)
-5.71"
(-145.03mm)
33rd Driest Driest since: 1941 1958
90th Wettest Wettest since: 1949 2011
Jun 1946–May 1950
48-Month
125.85"
(3,196.59mm)
128.31"
(3,259.07mm)
-2.46"
(-62.48mm)
49th Driest Driest since: 1943 1957
73rd Wettest Wettest since: 1949 2011
Jun 1945–May 1950
60-Month
156.40"
(3,972.56mm)
160.32"
(4,072.13mm)
-3.92"
(-99.57mm)
42nd Driest Driest since: 1942 1958
79th 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 16, 2019 from https://www.ncdc.noaa.gov/cag/