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 1966

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 1966
1-Month
3.87"
(98.30mm)
4.05"
(102.87mm)
-0.18"
(-4.57mm)
59th Driest Driest since: 1963 1934
67th Wettest Wettest since: 1965 2013
Apr–May 1966
2-Month
5.80"
(147.32mm)
6.99"
(177.55mm)
-1.19"
(-30.23mm)
36th Driest Driest since: 1961 1934
90th Wettest Wettest since: 1965 2013
Ties: 1914
Mar–May 1966
3-Month
7.63"
(193.80mm)
8.95"
(227.33mm)
-1.32"
(-33.53mm)
31st Driest Driest since: 1958 1934
95th Wettest Wettest since: 1965 2013
Feb–May 1966
4-Month
8.35"
(212.09mm)
9.96"
(252.98mm)
-1.61"
(-40.89mm)
30th Driest Driest since: 1958 1934
96th Wettest Wettest since: 1965 2013
Jan–May 1966
5-Month
9.31"
(236.47mm)
10.94"
(277.88mm)
-1.63"
(-41.41mm)
26th Driest Driest since: 1958 1934
100th Wettest Wettest since: 1965 2013
Dec 1965–May 1966
6-Month
10.99"
(279.15mm)
12.04"
(305.82mm)
-1.05"
(-26.67mm)
35th Driest Driest since: 1963 1934
90th Wettest Wettest since: 1965 2013
Nov 1965–May 1966
7-Month
12.29"
(312.17mm)
13.78"
(350.01mm)
-1.49"
(-37.84mm)
36th Driest Driest since: 1963 1934
89th Wettest Wettest since: 1965 2013
Oct 1965–May 1966
8-Month
13.35"
(339.09mm)
16.10"
(408.94mm)
-2.75"
(-69.85mm)
18th Driest Driest since: 1958 1934
107th Wettest Wettest since: 1965 2019
Sep 1965–May 1966
9-Month
23.19"
(589.03mm)
19.79"
(502.67mm)
3.40"
(86.36mm)
99th Driest Driest since: 1965 1934
26th Wettest Wettest since: 1962 2019
Aug 1965–May 1966
10-Month
27.38"
(695.45mm)
23.65"
(600.71mm)
3.73"
(94.74mm)
99th Driest Driest since: 1965 1934
26th Wettest Wettest since: 1962 2019
Jul 1965–May 1966
11-Month
30.78"
(781.81mm)
27.54"
(699.52mm)
3.24"
(82.29mm)
92nd Driest Driest since: 1965 1934
33rd Wettest Wettest since: 1962 2019
Ties: 1915
Jun 1965–May 1966
12-Month
34.72"
(881.89mm)
32.14"
(816.36mm)
2.58"
(65.53mm)
81st Driest Driest since: 1964 1934
44th Wettest Wettest since: 1965 2019
Dec 1964–May 1966
18-Month
50.50"
(1,282.70mm)
44.20"
(1,122.68mm)
6.30"
(160.02mm)
102nd Driest Driest since: 1965 1934
22nd Wettest Wettest since: 1960 2019
Jun 1964–May 1966
24-Month
69.47"
(1,764.54mm)
64.29"
(1,632.97mm)
5.18"
(131.57mm)
93rd Driest Driest since: 1965 1957
31st Wettest Wettest since: 1960 2011
Jun 1963–May 1966
36-Month
98.17"
(2,493.52mm)
96.33"
(2,446.78mm)
1.84"
(46.74mm)
70th Driest Driest since: 1965 1958
53rd Wettest Wettest since: 1962 2011
Jun 1962–May 1966
48-Month
127.33"
(3,234.18mm)
128.31"
(3,259.07mm)
-0.98"
(-24.89mm)
59th Driest Driest since: 1964 1957
63rd Wettest Wettest since: 1965 2011
Jun 1961–May 1966
60-Month
165.68"
(4,208.27mm)
160.32"
(4,072.13mm)
5.36"
(136.14mm)
78th Driest Driest since: 1965 1958
43rd Wettest Wettest since: 1963 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/