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 2021. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, September 2011

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2011
1-Month
4.79"
(121.67mm)
3.47"
(88.14mm)
1.32"
(33.53mm)
110th Driest Driest since: 2010 1897
18th Wettest Wettest since: 2003 1926
Aug–Sep 2011
2-Month
7.65"
(194.31mm)
7.14"
(181.36mm)
0.51"
(12.95mm)
85th Driest Driest since: 2010 1897
43rd Wettest Wettest since: 2009 1926
Ties: 1936
Jul–Sep 2011
3-Month
10.94"
(277.88mm)
11.14"
(282.96mm)
-0.20"
(-5.08mm)
59th Driest Driest since: 2007 1953
69th Wettest Wettest since: 2010 1926
Jun–Sep 2011
4-Month
15.97"
(405.64mm)
15.39"
(390.91mm)
0.58"
(14.73mm)
68th Driest Driest since: 2007 1953
60th Wettest Wettest since: 2010 1915
May–Sep 2011
5-Month
21.95"
(557.53mm)
19.66"
(499.36mm)
2.29"
(58.17mm)
92nd Driest Driest since: 2007 1930
36th Wettest Wettest since: 2010 1915
Apr–Sep 2011
6-Month
30.67"
(779.02mm)
23.57"
(598.68mm)
7.10"
(180.34mm)
127th Driest Driest since: 2010 1930
1st Wettest Wettest to Date 2011
Mar–Sep 2011
7-Month
35.02"
(889.51mm)
27.38"
(695.45mm)
7.64"
(194.06mm)
126th Driest Driest since: 2010 1930
2nd Wettest Wettest since: 1945 1945
Feb–Sep 2011
8-Month
38.94"
(989.08mm)
30.05"
(763.27mm)
8.89"
(225.81mm)
126th Driest Driest since: 2010 1930
2nd Wettest Wettest since: 1945 1945
Jan–Sep 2011
9-Month
40.64"
(1,032.26mm)
33.10"
(840.74mm)
7.54"
(191.52mm)
123rd Driest Driest since: 2010 1930
5th Wettest Wettest since: 1950 1950
Dec 2010–Sep 2011
10-Month
42.63"
(1,082.80mm)
36.19"
(919.23mm)
6.44"
(163.57mm)
116th Driest Driest since: 2010 1930
11th Wettest Wettest since: 2008 1950
Nov 2010–Sep 2011
11-Month
46.65"
(1,184.91mm)
39.33"
(998.98mm)
7.32"
(185.93mm)
115th Driest Driest since: 2010 1930
12th Wettest Wettest since: 2008 2019
Oct 2010–Sep 2011
12-Month
48.24"
(1,225.30mm)
42.25"
(1,073.15mm)
5.99"
(152.15mm)
110th Driest Driest since: 2010 1925
17th Wettest Wettest since: 2008 2019
Apr 2010–Sep 2011
18-Month
75.18"
(1,909.57mm)
65.79"
(1,671.07mm)
9.39"
(238.50mm)
115th Driest Driest since: 2009 1931
12th Wettest Wettest since: 2010 2019
Oct 2009–Sep 2011
24-Month
95.81"
(2,433.57mm)
84.47"
(2,145.54mm)
11.34"
(288.03mm)
114th Driest Driest since: 2010 1941
12th Wettest Wettest since: 2009 2020
Oct 2008–Sep 2011
36-Month
142.47"
(3,618.74mm)
126.72"
(3,218.69mm)
15.75"
(400.05mm)
115th Driest Driest since: 2009 1941
10th Wettest Wettest since: 2010 2020
Oct 2007–Sep 2011
48-Month
193.97"
(4,926.84mm)
168.99"
(4,292.35mm)
24.98"
(634.49mm)
120th Driest Driest since: 2010 1956
4th Wettest Wettest to Date 2021
Oct 2006–Sep 2011
60-Month
233.49"
(5,930.65mm)
211.21"
(5,364.73mm)
22.28"
(565.92mm)
117th Driest Driest since: 2010 1956
6th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on November 26, 2021 from https://www.ncdc.noaa.gov/cag/