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 July 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 2017
1-Month
5.26"
(133.60mm)
2.29"
(58.17mm)
2.97"
(75.43mm)
123rd Driest Driest since: 2016 1952
3rd Wettest Wettest since: 2009 2009
Sep–Oct 2017
2-Month
7.57"
(192.28mm)
5.96"
(151.38mm)
1.61"
(40.90mm)
99th Driest Driest since: 2015 1952
27th Wettest Wettest since: 2016 1941
Aug–Oct 2017
3-Month
11.40"
(289.56mm)
9.80"
(248.92mm)
1.60"
(40.64mm)
90th Driest Driest since: 2015 1953
36th Wettest Wettest since: 2016 2018
Jul–Oct 2017
4-Month
14.34"
(364.24mm)
13.66"
(346.96mm)
0.68"
(17.28mm)
75th Driest Driest since: 2013 1953, 1976
51st Wettest Wettest since: 2016 1993
Jun–Oct 2017
5-Month
17.84"
(453.14mm)
18.29"
(464.57mm)
-0.45"
(-11.43mm)
58th Driest Driest since: 2013 1976
68th Wettest Wettest since: 2016 1993
May–Oct 2017
6-Month
22.64"
(575.06mm)
22.33"
(567.18mm)
0.31"
(7.88mm)
62nd Driest Driest since: 2013 1976
64th Wettest Wettest since: 2016 1993
Ties: 1983
Apr–Oct 2017
7-Month
26.44"
(671.58mm)
25.28"
(642.11mm)
1.16"
(29.47mm)
69th Driest Driest since: 2012 1988
57th Wettest Wettest since: 2016 1993
Mar–Oct 2017
8-Month
29.01"
(736.85mm)
27.23"
(691.64mm)
1.78"
(45.21mm)
80th Driest Driest since: 2012 1988
46th Wettest Wettest since: 2016 1993
Feb–Oct 2017
9-Month
30.00"
(762.00mm)
28.25"
(717.55mm)
1.75"
(44.45mm)
77th Driest Driest since: 2012 1988
49th Wettest Wettest since: 2016 1993
Jan–Oct 2017
10-Month
31.56"
(801.62mm)
29.23"
(742.44mm)
2.33"
(59.18mm)
82nd Driest Driest since: 2012 1988
44th Wettest Wettest since: 2016 1993
Dec 2016–Oct 2017
11-Month
33.08"
(840.23mm)
30.33"
(770.38mm)
2.75"
(69.85mm)
82nd Driest Driest since: 2012 1988
43rd Wettest Wettest since: 2016 1993
Nov 2016–Oct 2017
12-Month
34.47"
(875.54mm)
32.07"
(814.58mm)
2.40"
(60.96mm)
82nd Driest Driest since: 2012 1956
43rd Wettest Wettest since: 2016 1993
May 2016–Oct 2017
18-Month
62.72"
(1,593.09mm)
54.47"
(1,383.54mm)
8.25"
(209.55mm)
110th Driest Driest since: 2014 1956
15th Wettest Wettest since: 2016 2019
Nov 2015–Oct 2017
24-Month
78.45"
(1,992.63mm)
64.23"
(1,631.44mm)
14.22"
(361.19mm)
114th Driest Driest since: 2015 1956
10th Wettest Wettest since: 2016 1993
Nov 2014–Oct 2017
36-Month
114.05"
(2,896.87mm)
96.34"
(2,447.04mm)
17.71"
(449.83mm)
112th Driest Driest since: 2015 1957
11th Wettest Wettest since: 2016 2010
Nov 2013–Oct 2017
48-Month
153.09"
(3,888.49mm)
128.36"
(3,260.34mm)
24.73"
(628.15mm)
114th Driest Driest since: 2015 1958
8th Wettest Wettest since: 2016 2010
Nov 2012–Oct 2017
60-Month
187.90"
(4,772.66mm)
160.34"
(4,072.64mm)
27.56"
(700.02mm)
116th Driest Driest since: 2016 1956
5th Wettest Wettest since: 2011 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 11, 2020 from https://www.ncdc.noaa.gov/cag/