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 1971

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 1971
1-Month
3.57"
(90.68mm)
4.05"
(102.87mm)
-0.48"
(-12.19mm)
48th Driest Driest since: 1968 1934
78th Wettest Wettest since: 1970 2013
Apr–May 1971
2-Month
4.94"
(125.48mm)
6.99"
(177.55mm)
-2.05"
(-52.07mm)
19th Driest Driest since: 1961 1934
107th Wettest Wettest since: 1970 2013
Mar–May 1971
3-Month
5.85"
(148.59mm)
8.95"
(227.33mm)
-3.10"
(-78.74mm)
13th Driest Driest since: 1958 1934
113th Wettest Wettest since: 1970 2013
Feb–May 1971
4-Month
8.27"
(210.06mm)
9.96"
(252.98mm)
-1.69"
(-42.92mm)
29th Driest Driest since: 1968 1934
97th Wettest Wettest since: 1970 2013
Jan–May 1971
5-Month
9.36"
(237.74mm)
10.94"
(277.88mm)
-1.58"
(-40.14mm)
28th Driest Driest since: 1968 1934
98th Wettest Wettest since: 1970 2013
Dec 1970–May 1971
6-Month
10.48"
(266.19mm)
12.04"
(305.82mm)
-1.56"
(-39.63mm)
31st Driest Driest since: 1968 1934
94th Wettest Wettest since: 1970 2013
Nov 1970–May 1971
7-Month
12.17"
(309.12mm)
13.78"
(350.01mm)
-1.61"
(-40.89mm)
34th Driest Driest since: 1970 1934
91st Wettest Wettest since: 1969 2013
Oct 1970–May 1971
8-Month
16.23"
(412.24mm)
16.10"
(408.94mm)
0.13"
(3.30mm)
58th Driest Driest since: 1970 1934
67th Wettest Wettest since: 1969 2019
Sep 1970–May 1971
9-Month
22.33"
(567.18mm)
19.79"
(502.67mm)
2.54"
(64.51mm)
89th Driest Driest since: 1970 1934
36th Wettest Wettest since: 1969 2019
Aug 1970–May 1971
10-Month
26.31"
(668.27mm)
23.65"
(600.71mm)
2.66"
(67.56mm)
92nd Driest Driest since: 1970 1934
33rd Wettest Wettest since: 1966 2019
Jul 1970–May 1971
11-Month
29.85"
(758.19mm)
27.54"
(699.52mm)
2.31"
(58.67mm)
82nd Driest Driest since: 1970 1934
43rd Wettest Wettest since: 1969 2019
Jun 1970–May 1971
12-Month
32.98"
(837.69mm)
32.14"
(816.36mm)
0.84"
(21.33mm)
69th Driest Driest since: 1968 1934
56th Wettest Wettest since: 1970 2019
Dec 1969–May 1971
18-Month
44.34"
(1,126.24mm)
44.20"
(1,122.68mm)
0.14"
(3.56mm)
52nd Driest Driest since: 1968 1934
72nd Wettest Wettest since: 1970 2019
Jun 1969–May 1971
24-Month
66.63"
(1,692.40mm)
64.29"
(1,632.97mm)
2.34"
(59.43mm)
75th Driest Driest since: 1969 1957
49th Wettest Wettest since: 1970 2011
Jun 1968–May 1971
36-Month
101.66"
(2,582.16mm)
96.33"
(2,446.78mm)
5.33"
(135.38mm)
85th Driest Driest since: 1970 1958
38th Wettest Wettest since: 1962 2011
Jun 1967–May 1971
48-Month
131.19"
(3,332.23mm)
128.31"
(3,259.07mm)
2.88"
(73.16mm)
72nd Driest Driest since: 1970 1957
50th Wettest Wettest since: 1963 2011
Jun 1966–May 1971
60-Month
156.60"
(3,977.64mm)
160.32"
(4,072.13mm)
-3.72"
(-94.49mm)
43rd Driest Driest since: 1968 1958
78th Wettest Wettest since: 1970 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 15, 2019 from https://www.ncdc.noaa.gov/cag/