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


Iowa

Precipitation Rankings, October 2018

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 2018
1-Month
4.63"
(117.60mm)
2.29"
(58.17mm)
2.34"
(59.43mm)
118th Driest Driest since: 2016 1952
8th Wettest Wettest since: 2017 2009
Sep–Oct 2018
2-Month
12.73"
(323.34mm)
5.96"
(151.38mm)
6.77"
(171.96mm)
124th Driest Driest since: 2017 1952
2nd Wettest Wettest since: 1941 1941
Aug–Oct 2018
3-Month
19.15"
(486.41mm)
9.80"
(248.92mm)
9.35"
(237.49mm)
125th Driest Driest since: 2017 1953
1st Wettest Wettest to Date 2018
Jul–Oct 2018
4-Month
22.54"
(572.52mm)
13.66"
(346.96mm)
8.88"
(225.56mm)
124th Driest Driest since: 2017 1953, 1976
2nd Wettest Wettest since: 1993 1993
Jun–Oct 2018
5-Month
30.09"
(764.29mm)
18.29"
(464.57mm)
11.80"
(299.72mm)
124th Driest Driest since: 2017 1976
2nd Wettest Wettest since: 1993 1993
May–Oct 2018
6-Month
34.79"
(883.67mm)
22.33"
(567.18mm)
12.46"
(316.49mm)
123rd Driest Driest since: 2017 1976
3rd Wettest Wettest since: 1993 1993
Apr–Oct 2018
7-Month
36.33"
(922.78mm)
25.28"
(642.11mm)
11.05"
(280.67mm)
122nd Driest Driest since: 2017 1988
4th Wettest Wettest since: 2010 1993
Mar–Oct 2018
8-Month
38.61"
(980.69mm)
27.23"
(691.64mm)
11.38"
(289.05mm)
123rd Driest Driest since: 2017 1988
3rd Wettest Wettest since: 2010 1993
Feb–Oct 2018
9-Month
40.15"
(1,019.81mm)
28.25"
(717.55mm)
11.90"
(302.26mm)
124th Driest Driest since: 2017 1988
2nd Wettest Wettest since: 1993 1993
Jan–Oct 2018
10-Month
41.17"
(1,045.72mm)
29.23"
(742.44mm)
11.94"
(303.28mm)
123rd Driest Driest since: 2017 1988
3rd Wettest Wettest since: 2010 1993
Dec 2017–Oct 2018
11-Month
41.56"
(1,055.62mm)
30.33"
(770.38mm)
11.23"
(285.24mm)
120th Driest Driest since: 2017 1988
5th Wettest Wettest since: 2010 1993
Nov 2017–Oct 2018
12-Month
41.97"
(1,066.04mm)
32.07"
(814.58mm)
9.90"
(251.46mm)
118th Driest Driest since: 2017 1956
7th Wettest Wettest since: 2016 1993
May 2017–Oct 2018
18-Month
64.61"
(1,641.09mm)
54.47"
(1,383.54mm)
10.14"
(257.55mm)
113th Driest Driest since: 2017 1956
12th Wettest Wettest since: 2016 2019
Nov 2016–Oct 2018
24-Month
76.44"
(1,941.58mm)
64.23"
(1,631.44mm)
12.21"
(310.14mm)
113th Driest Driest since: 2015 1956
11th Wettest Wettest since: 2017 1993
Nov 2015–Oct 2018
36-Month
120.42"
(3,058.67mm)
96.34"
(2,447.04mm)
24.08"
(611.63mm)
119th Driest Driest since: 2017 1957
4th Wettest Wettest since: 2010 2010
Nov 2014–Oct 2018
48-Month
156.02"
(3,962.91mm)
128.36"
(3,260.34mm)
27.66"
(702.57mm)
116th Driest Driest since: 2017 1958
6th Wettest Wettest since: 2011 2010
Nov 2013–Oct 2018
60-Month
195.06"
(4,954.52mm)
160.34"
(4,072.64mm)
34.72"
(881.88mm)
117th Driest Driest since: 2017 1956
4th Wettest Wettest since: 2011 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 6, 2019 from https://www.ncdc.noaa.gov/cag/