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


Ohio Valley Climate Region

Precipitation Rankings, May 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1999
1-Month
3.54"
(89.92mm)
4.27"
(108.46mm)
-0.73"
(-18.54mm)
35th Driest Driest since: 1994 1934
91st Wettest Wettest since: 1998 1995
Ties: 2014
Apr–May 1999
2-Month
8.24"
(209.30mm)
8.18"
(207.77mm)
0.06"
(1.53mm)
69th Driest Driest since: 1997 1934
57th Wettest Wettest since: 1998 2011
Ties: 2016
Mar–May 1999
3-Month
11.04"
(280.42mm)
11.99"
(304.55mm)
-0.95"
(-24.13mm)
43rd Driest Driest since: 1992 1941
83rd Wettest Wettest since: 1998 2011
Feb–May 1999
4-Month
13.75"
(349.25mm)
14.67"
(372.62mm)
-0.92"
(-23.37mm)
47th Driest Driest since: 1992 1941
79th Wettest Wettest since: 1998 2011
Jan–May 1999
5-Month
18.88"
(479.55mm)
17.71"
(449.83mm)
1.17"
(29.72mm)
75th Driest Driest since: 1993 1941
51st Wettest Wettest since: 1998 2019
Dec 1998–May 1999
6-Month
21.83"
(554.48mm)
20.80"
(528.32mm)
1.03"
(26.16mm)
72nd Driest Driest since: 1993 1941
53rd Wettest Wettest since: 1998 2019
Nov 1998–May 1999
7-Month
24.12"
(612.65mm)
23.95"
(608.33mm)
0.17"
(4.32mm)
59th Driest Driest since: 1992 1934
66th Wettest Wettest since: 1998 2019
Oct 1998–May 1999
8-Month
27.79"
(705.87mm)
26.86"
(682.24mm)
0.93"
(23.63mm)
68th Driest Driest since: 1992 1934
57th Wettest Wettest since: 1998 2019
Sep 1998–May 1999
9-Month
30.02"
(762.51mm)
30.32"
(770.13mm)
-0.30"
(-7.62mm)
56th Driest Driest since: 1992 1941
69th Wettest Wettest since: 1998 1927
Aug 1998–May 1999
10-Month
32.98"
(837.69mm)
33.99"
(863.35mm)
-1.01"
(-25.66mm)
48th Driest Driest since: 1992 1954
77th Wettest Wettest since: 1998 1927
Jul 1998–May 1999
11-Month
37.80"
(960.12mm)
37.99"
(964.95mm)
-0.19"
(-4.83mm)
52nd Driest Driest since: 1992 1941
73rd Wettest Wettest since: 1998 1927
Jun 1998–May 1999
12-Month
45.59"
(1,157.99mm)
42.24"
(1,072.90mm)
3.35"
(85.09mm)
88th Driest Driest since: 1998 1931
37th Wettest Wettest since: 1997 2019
Dec 1997–May 1999
18-Month
69.06"
(1,754.12mm)
63.02"
(1,600.71mm)
6.04"
(153.41mm)
96th Driest Driest since: 1998 1931
28th Wettest Wettest since: 1997 2019
Jun 1997–May 1999
24-Month
89.03"
(2,261.36mm)
84.48"
(2,145.79mm)
4.55"
(115.57mm)
83rd Driest Driest since: 1996 1941
41st Wettest Wettest since: 1998 1974
Jun 1996–May 1999
36-Month
136.80"
(3,474.72mm)
126.72"
(3,218.69mm)
10.08"
(256.03mm)
102nd Driest Driest since: 1998 1955
21st Wettest Wettest since: 1996 1975
Ties: 2013
Jun 1995–May 1999
48-Month
180.20"
(4,577.08mm)
168.95"
(4,291.33mm)
11.25"
(285.75mm)
100th Driest Driest since: 1998 1956
22nd Wettest Wettest since: 1997 2019
Jun 1994–May 1999
60-Month
224.04"
(5,690.62mm)
211.18"
(5,363.97mm)
12.86"
(326.65mm)
95th Driest Driest since: 1996 1957
26th Wettest Wettest since: 1998 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/