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 September 2021. For more information, please see Climatological Rankings.


Ohio Valley Climate Region

Precipitation Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2009
1-Month
3.88"
(98.55mm)
3.47"
(88.14mm)
0.41"
(10.41mm)
88th Driest Driest since: 2007 1897
40th Wettest Wettest since: 2008 1926
Aug–Sep 2009
2-Month
7.83"
(198.88mm)
7.14"
(181.36mm)
0.69"
(17.52mm)
89th Driest Driest since: 2008 1897
39th Wettest Wettest since: 2006 1926
Jul–Sep 2009
3-Month
12.94"
(328.68mm)
11.14"
(282.96mm)
1.80"
(45.72mm)
102nd Driest Driest since: 2008 1953
26th Wettest Wettest since: 2003 1926
Jun–Sep 2009
4-Month
17.83"
(452.88mm)
15.39"
(390.91mm)
2.44"
(61.97mm)
105th Driest Driest since: 2008 1953
23rd Wettest Wettest since: 2003 1915
Ties: 1970
May–Sep 2009
5-Month
23.87"
(606.30mm)
19.66"
(499.36mm)
4.21"
(106.94mm)
118th Driest Driest since: 2008 1930
10th Wettest Wettest since: 2003 1915
Apr–Sep 2009
6-Month
28.88"
(733.55mm)
23.57"
(598.68mm)
5.31"
(134.87mm)
120th Driest Driest since: 2008 1930
8th Wettest Wettest since: 2003 2011
Mar–Sep 2009
7-Month
32.46"
(824.48mm)
27.38"
(695.45mm)
5.08"
(129.03mm)
117th Driest Driest since: 2007 1930
11th Wettest Wettest since: 2008 1945
Feb–Sep 2009
8-Month
34.72"
(881.89mm)
30.05"
(763.27mm)
4.67"
(118.62mm)
111th Driest Driest since: 2007 1930
17th Wettest Wettest since: 2008 1945
Jan–Sep 2009
9-Month
37.19"
(944.63mm)
33.10"
(840.74mm)
4.09"
(103.89mm)
103rd Driest Driest since: 2007 1930
25th Wettest Wettest since: 2008 1950
Dec 2008–Sep 2009
10-Month
42.18"
(1,071.37mm)
36.19"
(919.23mm)
5.99"
(152.14mm)
115th Driest Driest since: 2007 1930
12th Wettest Wettest since: 2008 1950
Nov 2008–Sep 2009
11-Month
44.29"
(1,124.97mm)
39.33"
(998.98mm)
4.96"
(125.99mm)
107th Driest Driest since: 2007 1930
20th Wettest Wettest since: 2008 2019
Oct 2008–Sep 2009
12-Month
46.66"
(1,185.16mm)
42.25"
(1,073.15mm)
4.41"
(112.01mm)
99th Driest Driest since: 2007 1925
28th Wettest Wettest since: 2008 2019
Apr 2008–Sep 2009
18-Month
73.84"
(1,875.54mm)
65.79"
(1,671.07mm)
8.05"
(204.47mm)
111th Driest Driest since: 2008 1931
16th Wettest Wettest since: 2004 2019
Oct 2007–Sep 2009
24-Month
98.16"
(2,493.26mm)
84.47"
(2,145.54mm)
13.69"
(347.72mm)
121st Driest Driest since: 2008 1941
5th Wettest Wettest since: 1974 2020
Oct 2006–Sep 2009
36-Month
137.68"
(3,497.07mm)
126.72"
(3,218.69mm)
10.96"
(278.38mm)
105th Driest Driest since: 2008 1941
20th Wettest Wettest since: 2004 2020
Oct 2005–Sep 2009
48-Month
178.24"
(4,527.30mm)
168.99"
(4,292.35mm)
9.25"
(234.95mm)
94th Driest Driest since: 2008 1956
30th Wettest Wettest since: 2005 2021
Oct 2004–Sep 2009
60-Month
222.47"
(5,650.74mm)
211.21"
(5,364.73mm)
11.26"
(286.01mm)
94th Driest Driest since: 2008 1956
29th Wettest Wettest since: 2006 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/