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 May 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 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
(1895-2020)
Wettest/Driest
Since
Record
October 2015
1-Month
1.76"
(44.70mm)
2.29"
(58.17mm)
-0.53"
(-13.47mm)
44th Driest Driest since: 2011 1952
83rd Wettest Wettest since: 2014 2009
Sep–Oct 2015
2-Month
5.94"
(150.88mm)
5.96"
(151.38mm)
-0.02"
(-0.50mm)
66th Driest Driest since: 2013 1952
61st Wettest Wettest since: 2014 1941
Aug–Oct 2015
3-Month
11.23"
(285.24mm)
9.80"
(248.92mm)
1.43"
(36.32mm)
87th Driest Driest since: 2013 1953
40th Wettest Wettest since: 2014 2018
Jul–Oct 2015
4-Month
16.74"
(425.20mm)
13.66"
(346.96mm)
3.08"
(78.24mm)
102nd Driest Driest since: 2014 1953, 1976
25th Wettest Wettest since: 2014 1993
Ties: 2014
Jun–Oct 2015
5-Month
23.12"
(587.25mm)
18.29"
(464.57mm)
4.83"
(122.68mm)
113th Driest Driest since: 2013 1976
14th Wettest Wettest since: 2014 1993
May–Oct 2015
6-Month
28.18"
(715.77mm)
22.33"
(567.18mm)
5.85"
(148.59mm)
114th Driest Driest since: 2013 1976
13th Wettest Wettest since: 2014 1993
Apr–Oct 2015
7-Month
31.55"
(801.37mm)
25.28"
(642.11mm)
6.27"
(159.26mm)
112th Driest Driest since: 2013 1988
15th Wettest Wettest since: 2014 1993
Mar–Oct 2015
8-Month
32.11"
(815.59mm)
27.23"
(691.64mm)
4.88"
(123.95mm)
104th Driest Driest since: 2013 1988
23rd Wettest Wettest since: 2014 1993
Feb–Oct 2015
9-Month
33.22"
(843.79mm)
28.25"
(717.55mm)
4.97"
(126.24mm)
103rd Driest Driest since: 2013 1988
24th Wettest Wettest since: 2014 1993
Jan–Oct 2015
10-Month
33.74"
(857.00mm)
29.23"
(742.44mm)
4.51"
(114.56mm)
102nd Driest Driest since: 2013 1988
25th Wettest Wettest since: 2014 1993
Dec 2014–Oct 2015
11-Month
34.84"
(884.94mm)
30.33"
(770.38mm)
4.51"
(114.56mm)
102nd Driest Driest since: 2013 1988
24th Wettest Wettest since: 2014 1993
Nov 2014–Oct 2015
12-Month
35.60"
(904.24mm)
32.07"
(814.58mm)
3.53"
(89.66mm)
90th Driest Driest since: 2013 1956
36th Wettest Wettest since: 2014 1993
May 2014–Oct 2015
18-Month
65.04"
(1,652.02mm)
54.47"
(1,383.54mm)
10.57"
(268.48mm)
116th Driest Driest since: 2014 1956
10th Wettest Wettest since: 2010 2019
Nov 2013–Oct 2015
24-Month
74.64"
(1,895.86mm)
64.23"
(1,631.44mm)
10.41"
(264.42mm)
108th Driest Driest since: 2014 1956
17th Wettest Wettest since: 2011 1993
Nov 2012–Oct 2015
36-Month
109.45"
(2,780.03mm)
96.34"
(2,447.04mm)
13.11"
(332.99mm)
108th Driest Driest since: 2014 1957
16th Wettest Wettest since: 2011 2010
Nov 2011–Oct 2015
48-Month
136.64"
(3,470.66mm)
128.36"
(3,260.34mm)
8.28"
(210.32mm)
93rd Driest Driest since: 2014 1958
30th Wettest Wettest since: 2013 2010
Nov 2010–Oct 2015
60-Month
167.18"
(4,246.37mm)
160.34"
(4,072.64mm)
6.84"
(173.73mm)
83rd Driest Driest since: 2007 1956
39th Wettest Wettest since: 2014 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2021, retrieved on June 14, 2021 from https://www.ncdc.noaa.gov/cag/