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


Iowa

Precipitation Rankings, July 2012

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
July 2012
1-Month
1.17"
(29.72mm)
3.86"
(98.04mm)
-2.69"
(-68.32mm)
3rd Driest Driest since: 1975 1936
122nd Wettest Wettest since: 2011 1993
Jun–Jul 2012
2-Month
3.98"
(101.09mm)
8.49"
(215.65mm)
-4.51"
(-114.56mm)
3rd Driest Driest since: 1988 1936
122nd Wettest Wettest since: 2011 1993
Ties: 1988
May–Jul 2012
3-Month
7.49"
(190.25mm)
12.53"
(318.26mm)
-5.04"
(-128.01mm)
4th Driest Driest since: 1988 1988
121st Wettest Wettest since: 2011 1993
Apr–Jul 2012
4-Month
11.39"
(289.31mm)
15.48"
(393.19mm)
-4.09"
(-103.88mm)
11th Driest Driest since: 1989 1936
114th Wettest Wettest since: 2011 1993
Mar–Jul 2012
5-Month
13.30"
(337.82mm)
17.43"
(442.72mm)
-4.13"
(-104.90mm)
11th Driest Driest since: 1989 1936
114th Wettest Wettest since: 2011 1993
Feb–Jul 2012
6-Month
14.98"
(380.49mm)
18.45"
(468.63mm)
-3.47"
(-88.14mm)
19th Driest Driest since: 1989 1988
106th Wettest Wettest since: 2011 1993
Jan–Jul 2012
7-Month
15.55"
(394.97mm)
19.43"
(493.52mm)
-3.88"
(-98.55mm)
15th Driest Driest since: 1989 1988
110th Wettest Wettest since: 2011 1993
Dec 2011–Jul 2012
8-Month
17.63"
(447.80mm)
20.53"
(521.46mm)
-2.90"
(-73.66mm)
20th Driest Driest since: 1989 1988
104th Wettest Wettest since: 2011 1993
Ties: 1940
Nov 2011–Jul 2012
9-Month
19.71"
(500.63mm)
22.27"
(565.66mm)
-2.56"
(-65.03mm)
28th Driest Driest since: 2003 1934
96th Wettest Wettest since: 2011 1993
Oct 2011–Jul 2012
10-Month
20.45"
(519.43mm)
24.58"
(624.33mm)
-4.13"
(-104.90mm)
16th Driest Driest since: 1994 1934
108th Wettest Wettest since: 2011 1993
Sep 2011–Jul 2012
11-Month
22.13"
(562.10mm)
28.28"
(718.31mm)
-6.15"
(-156.21mm)
12th Driest Driest since: 1989 1988
112th Wettest Wettest since: 2011 1993
Aug 2011–Jul 2012
12-Month
25.15"
(638.81mm)
32.14"
(816.36mm)
-6.99"
(-177.55mm)
8th Driest Driest since: 1988 1956
116th Wettest Wettest since: 2011 2008
Ties: 1911
Feb 2011–Jul 2012
18-Month
46.44"
(1,179.58mm)
50.60"
(1,285.24mm)
-4.16"
(-105.66mm)
24th Driest Driest since: 2006 1911
100th Wettest Wettest since: 2011 2008
Aug 2010–Jul 2012
24-Month
61.39"
(1,559.31mm)
64.31"
(1,633.47mm)
-2.92"
(-74.16mm)
41st Driest Driest since: 2006 1934
82nd Wettest Wettest since: 2011 2008
Aug 2009–Jul 2012
36-Month
108.99"
(2,768.35mm)
96.40"
(2,448.56mm)
12.59"
(319.79mm)
107th Driest Driest since: 2007 1956
15th Wettest Wettest since: 2011 2010
Aug 2008–Jul 2012
48-Month
143.56"
(3,646.42mm)
128.38"
(3,260.85mm)
15.18"
(385.57mm)
104th Driest Driest since: 2007 1957
17th Wettest Wettest since: 2011 2010
Aug 2007–Jul 2012
60-Month
193.78"
(4,922.01mm)
160.37"
(4,073.40mm)
33.41"
(848.61mm)
117th Driest Driest since: 2009 1957
3rd Wettest Wettest since: 2011 2011

Citing This Page

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