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


Iowa

Precipitation Rankings, May 1915

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 1915
1-Month
7.35"
(186.69mm)
4.05"
(102.87mm)
3.30"
(83.82mm)
119th Driest Driest since: 1914 1934
7th Wettest Wettest since: 1908 2013
Apr–May 1915
2-Month
8.67"
(220.22mm)
6.99"
(177.55mm)
1.68"
(42.67mm)
91st Driest Driest since: 1914 1934
35th Wettest Wettest since: 1913 2013
Mar–May 1915
3-Month
9.59"
(243.59mm)
8.95"
(227.33mm)
0.64"
(16.26mm)
75th Driest Driest since: 1914 1934
51st Wettest Wettest since: 1913 2013
Feb–May 1915
4-Month
12.45"
(316.23mm)
9.96"
(252.98mm)
2.49"
(63.25mm)
96th Driest Driest since: 1914 1934
30th Wettest Wettest since: 1913 2013
Jan–May 1915
5-Month
14.08"
(357.63mm)
10.94"
(277.88mm)
3.14"
(79.75mm)
105th Driest Driest since: 1914 1934
21st Wettest Wettest since: 1908 2013
Dec 1914–May 1915
6-Month
15.38"
(390.65mm)
12.04"
(305.82mm)
3.34"
(84.83mm)
103rd Driest Driest since: 1914 1934
22nd Wettest Wettest since: 1903 2013
Nov 1914–May 1915
7-Month
15.59"
(395.99mm)
13.78"
(350.01mm)
1.81"
(45.98mm)
85th Driest Driest since: 1914 1934
40th Wettest Wettest since: 1909 2013
Ties: 1972
Oct 1914–May 1915
8-Month
18.84"
(478.54mm)
16.10"
(408.94mm)
2.74"
(69.60mm)
93rd Driest Driest since: 1914 1934
32nd Wettest Wettest since: 1909 2019
Sep 1914–May 1915
9-Month
26.31"
(668.27mm)
19.79"
(502.67mm)
6.52"
(165.60mm)
114th Driest Driest since: 1914 1934
11th Wettest Wettest to Date 2019
Aug 1914–May 1915
10-Month
28.50"
(723.90mm)
23.65"
(600.71mm)
4.85"
(123.19mm)
104th Driest Driest since: 1914 1934
21st Wettest Wettest since: 1903 2019
Jul 1914–May 1915
11-Month
30.78"
(781.81mm)
27.54"
(699.52mm)
3.24"
(82.29mm)
92nd Driest Driest since: 1914 1934
33rd Wettest Wettest since: 1908 2019
Ties: 1966
Jun 1914–May 1915
12-Month
36.47"
(926.34mm)
32.14"
(816.36mm)
4.33"
(109.98mm)
94th Driest Driest since: 1914 1934
31st Wettest Wettest since: 1908 2019
Dec 1913–May 1915
18-Month
46.70"
(1,186.18mm)
44.20"
(1,122.68mm)
2.50"
(63.50mm)
76th Driest Driest since: 1914 1934
48th Wettest Wettest since: 1910 2019
Jun 1913–May 1915
24-Month
62.18"
(1,579.37mm)
64.29"
(1,632.97mm)
-2.11"
(-53.60mm)
44th Driest Driest since: 1914 1957
80th Wettest Wettest since: 1913 2011
Jun 1912–May 1915
36-Month
94.82"
(2,408.43mm)
96.33"
(2,446.78mm)
-1.51"
(-38.35mm)
51st Driest Driest since: 1914 1958
72nd Wettest Wettest since: 1910 2011
Jun 1911–May 1915
48-Month
124.38"
(3,159.25mm)
128.31"
(3,259.07mm)
-3.93"
(-99.82mm)
38th Driest Driest since: 1914 1957
84th Wettest Wettest since: 1911 2011
Jun 1910–May 1915
60-Month
149.08"
(3,786.63mm)
160.32"
(4,072.13mm)
-11.24"
(-285.50mm)
16th Driest Driest since: 1914 1958
105th Wettest Wettest since: 1913 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/