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 1904

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 1904
1-Month
3.59"
(91.19mm)
4.05"
(102.87mm)
-0.46"
(-11.68mm)
49th Driest Driest since: 1901 1934
77th Wettest Wettest since: 1903 2013
Ties: 1907
Apr–May 1904
2-Month
7.00"
(177.80mm)
6.99"
(177.55mm)
0.01"
(0.25mm)
58th Driest Driest since: 1901 1934
68th Wettest Wettest since: 1903 2013
Mar–May 1904
3-Month
9.17"
(232.92mm)
8.95"
(227.33mm)
0.22"
(5.59mm)
67th Driest Driest since: 1902 1934
59th Wettest Wettest since: 1903 2013
Feb–May 1904
4-Month
9.68"
(245.87mm)
9.96"
(252.98mm)
-0.28"
(-7.11mm)
52nd Driest Driest since: 1902 1934
74th Wettest Wettest since: 1903 2013
Ties: 1957
Jan–May 1904
5-Month
10.87"
(276.10mm)
10.94"
(277.88mm)
-0.07"
(-1.78mm)
59th Driest Driest since: 1902 1934
67th Wettest Wettest since: 1903 2013
Ties: 1952
Dec 1903–May 1904
6-Month
11.28"
(286.51mm)
12.04"
(305.82mm)
-0.76"
(-19.31mm)
43rd Driest Driest since: 1902 1934
82nd Wettest Wettest since: 1903 2013
Nov 1903–May 1904
7-Month
11.80"
(299.72mm)
13.78"
(350.01mm)
-1.98"
(-50.29mm)
29th Driest Driest since: 1901 1934
96th Wettest Wettest since: 1903 2013
Oct 1903–May 1904
8-Month
13.73"
(348.74mm)
16.10"
(408.94mm)
-2.37"
(-60.20mm)
23rd Driest Driest to Date 1934
102nd Wettest Wettest since: 1903 2019
Sep 1903–May 1904
9-Month
17.45"
(443.23mm)
19.79"
(502.67mm)
-2.34"
(-59.44mm)
33rd Driest Driest since: 1900 1934
92nd Wettest Wettest since: 1903 2019
Aug 1903–May 1904
10-Month
23.85"
(605.79mm)
23.65"
(600.71mm)
0.20"
(5.08mm)
64th Driest Driest since: 1902 1934
61st Wettest Wettest since: 1903 2019
Jul 1903–May 1904
11-Month
29.08"
(738.63mm)
27.54"
(699.52mm)
1.54"
(39.11mm)
76th Driest Driest since: 1902 1934
49th Wettest Wettest since: 1903 2019
Jun 1903–May 1904
12-Month
32.02"
(813.31mm)
32.14"
(816.36mm)
-0.12"
(-3.05mm)
63rd Driest Driest since: 1902 1934
62nd Wettest Wettest since: 1903 2019
Dec 1902–May 1904
18-Month
48.46"
(1,230.88mm)
44.20"
(1,122.68mm)
4.26"
(108.20mm)
92nd Driest Driest since: 1902 1934
32nd Wettest Wettest since: 1903 2019
Jun 1902–May 1904
24-Month
79.80"
(2,026.92mm)
64.29"
(1,632.97mm)
15.51"
(393.95mm)
116th Driest Driest since: 1903 1957
8th Wettest Wettest to Date 2011
Jun 1901–May 1904
36-Month
106.12"
(2,695.45mm)
96.33"
(2,446.78mm)
9.79"
(248.67mm)
98th Driest Driest since: 1902 1958
25th Wettest Wettest since: 1903 2011
Jun 1900–May 1904
48-Month
140.35"
(3,564.89mm)
128.31"
(3,259.07mm)
12.04"
(305.82mm)
98th Driest Driest since: 1903 1957
24th Wettest Wettest to Date 2011
Jun 1899–May 1904
60-Month
167.41"
(4,252.21mm)
160.32"
(4,072.13mm)
7.09"
(180.08mm)
81st Driest Driest since: 1903 1958
40th Wettest Wettest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 20, 2019 from https://www.ncdc.noaa.gov/cag/