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, July 2015

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 2015
1-Month
5.51"
(139.95mm)
3.86"
(98.04mm)
1.65"
(41.91mm)
106th Driest Driest since: 2014 1936
20th Wettest Wettest since: 2010 1993
Ties: 1963
Jun–Jul 2015
2-Month
11.89"
(302.01mm)
8.49"
(215.65mm)
3.40"
(86.36mm)
116th Driest Driest since: 2013 1936
10th Wettest Wettest since: 2014 1993
May–Jul 2015
3-Month
16.95"
(430.53mm)
12.53"
(318.26mm)
4.42"
(112.27mm)
117th Driest Driest since: 2014 1988
9th Wettest Wettest since: 2010 1993
Apr–Jul 2015
4-Month
20.32"
(516.13mm)
15.48"
(393.19mm)
4.84"
(122.94mm)
111th Driest Driest since: 2012 1936
15th Wettest Wettest since: 2014 1993
Mar–Jul 2015
5-Month
20.88"
(530.35mm)
17.43"
(442.72mm)
3.45"
(87.63mm)
100th Driest Driest since: 2012 1936
26th Wettest Wettest since: 2014 1993
Feb–Jul 2015
6-Month
21.99"
(558.55mm)
18.45"
(468.63mm)
3.54"
(89.92mm)
100th Driest Driest since: 2012 1988
26th Wettest Wettest since: 2014 1993
Jan–Jul 2015
7-Month
22.51"
(571.75mm)
19.43"
(493.52mm)
3.08"
(78.23mm)
98th Driest Driest since: 2012 1988
28th Wettest Wettest since: 2014 1993
Dec 2014–Jul 2015
8-Month
23.61"
(599.69mm)
20.53"
(521.46mm)
3.08"
(78.23mm)
94th Driest Driest since: 2012 1988
31st Wettest Wettest since: 2014 1993
Nov 2014–Jul 2015
9-Month
24.37"
(619.00mm)
22.27"
(565.66mm)
2.10"
(53.34mm)
83rd Driest Driest since: 2012 1934
42nd Wettest Wettest since: 2014 1993
Oct 2014–Jul 2015
10-Month
27.54"
(699.52mm)
24.58"
(624.33mm)
2.96"
(75.19mm)
88th Driest Driest since: 2012 1934
37th Wettest Wettest since: 2014 1993
Sep 2014–Jul 2015
11-Month
31.89"
(810.01mm)
28.28"
(718.31mm)
3.61"
(91.70mm)
94th Driest Driest since: 2014 1988
31st Wettest Wettest since: 2013 1993
Aug 2014–Jul 2015
12-Month
37.81"
(960.37mm)
32.14"
(816.36mm)
5.67"
(144.01mm)
105th Driest Driest since: 2014 1956
20th Wettest Wettest since: 2010 2008
Feb 2014–Jul 2015
18-Month
60.77"
(1,543.56mm)
50.60"
(1,285.24mm)
10.17"
(258.32mm)
111th Driest Driest since: 2014 1911
14th Wettest Wettest since: 2011 2008
Ties: 1991
Aug 2013–Jul 2015
24-Month
69.62"
(1,768.35mm)
64.31"
(1,633.47mm)
5.31"
(134.88mm)
95th Driest Driest since: 2014 1934
29th Wettest Wettest since: 2011 2008
Aug 2012–Jul 2015
36-Month
105.70"
(2,684.78mm)
96.40"
(2,448.56mm)
9.30"
(236.22mm)
97th Driest Driest since: 2014 1956
26th Wettest Wettest since: 2012 2010
Aug 2011–Jul 2015
48-Month
130.85"
(3,323.59mm)
128.38"
(3,260.85mm)
2.47"
(62.74mm)
76th Driest Driest since: 2014 1957
46th Wettest Wettest since: 2013 2010
Aug 2010–Jul 2015
60-Month
167.09"
(4,244.09mm)
160.37"
(4,073.40mm)
6.72"
(170.69mm)
84th Driest Driest since: 2007 1957
37th Wettest Wettest since: 2014 2011

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/