Climate at a Glance

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


Ohio Valley Climate Region

Precipitation Rankings, May 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 2018
1-Month
4.35"
(110.49mm)
4.27"
(108.46mm)
0.08"
(2.03mm)
66th Driest Driest since: 2014 1934
61st Wettest Wettest since: 2017 1995
Apr–May 2018
2-Month
8.05"
(204.47mm)
8.18"
(207.77mm)
-0.13"
(-3.30mm)
62nd Driest Driest since: 2012 1934
65th Wettest Wettest since: 2017 2011
Mar–May 2018
3-Month
12.26"
(311.40mm)
11.99"
(304.55mm)
0.27"
(6.85mm)
66th Driest Driest since: 2016 1941
61st Wettest Wettest since: 2017 2011
Feb–May 2018
4-Month
18.81"
(477.77mm)
14.67"
(372.62mm)
4.14"
(105.15mm)
116th Driest Driest since: 2017 1941
11th Wettest Wettest since: 2011 2011
Jan–May 2018
5-Month
20.87"
(530.10mm)
17.71"
(449.83mm)
3.16"
(80.27mm)
100th Driest Driest since: 2016 1941
27th Wettest Wettest since: 2017 2019
Dec 2017–May 2018
6-Month
22.76"
(578.10mm)
20.80"
(528.32mm)
1.96"
(49.78mm)
82nd Driest Driest since: 2015 1941
44th Wettest Wettest since: 2017 2019
Nov 2017–May 2018
7-Month
25.43"
(645.92mm)
23.95"
(608.33mm)
1.48"
(37.59mm)
75th Driest Driest since: 2015 1934
51st Wettest Wettest since: 2017 2019
Oct 2017–May 2018
8-Month
29.95"
(760.73mm)
26.86"
(682.24mm)
3.09"
(78.49mm)
94th Driest Driest since: 2017 1934
32nd Wettest Wettest since: 2016 2019
Sep 2017–May 2018
9-Month
32.12"
(815.85mm)
30.32"
(770.13mm)
1.80"
(45.72mm)
79th Driest Driest since: 2017 1941
47th Wettest Wettest since: 2016 1927
Aug 2017–May 2018
10-Month
35.78"
(908.81mm)
33.99"
(863.35mm)
1.79"
(45.46mm)
80th Driest Driest since: 2015 1954
46th Wettest Wettest since: 2017 1927
Jul 2017–May 2018
11-Month
40.77"
(1,035.56mm)
37.99"
(964.95mm)
2.78"
(70.61mm)
83rd Driest Driest since: 2015 1941
43rd Wettest Wettest since: 2017 1927
Jun 2017–May 2018
12-Month
45.05"
(1,144.27mm)
42.24"
(1,072.90mm)
2.81"
(71.37mm)
82nd Driest Driest since: 2015 1931
44th Wettest Wettest since: 2017 2019
Dec 2016–May 2018
18-Month
69.56"
(1,766.82mm)
63.02"
(1,600.71mm)
6.54"
(166.11mm)
101st Driest Driest since: 2015 1931
24th Wettest Wettest since: 2017 2020
Jun 2016–May 2018
24-Month
92.21"
(2,342.13mm)
84.48"
(2,145.79mm)
7.73"
(196.34mm)
99th Driest Driest since: 2015 1941
26th Wettest Wettest since: 2017 2020
Jun 2015–May 2018
36-Month
142.98"
(3,631.69mm)
126.72"
(3,218.69mm)
16.26"
(413.00mm)
116th Driest Driest since: 2017 1955
8th Wettest Wettest since: 2011 2020
Jun 2014–May 2018
48-Month
187.89"
(4,772.41mm)
168.95"
(4,291.33mm)
18.94"
(481.08mm)
114th Driest Driest since: 2017 1956
9th Wettest Wettest since: 2011 2020
Jun 2013–May 2018
60-Month
230.86"
(5,863.84mm)
211.18"
(5,363.97mm)
19.68"
(499.87mm)
113th Driest Driest since: 2017 1957
9th Wettest Wettest since: 2013 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2020, retrieved on December 4, 2020 from https://www.ncdc.noaa.gov/cag/