Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley Climate Region

Precipitation Rankings, November 2009

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
November 2009
1-Month
1.81"
(45.97mm)
3.13"
(79.50mm)
-1.32"
(-33.53mm)
19th Driest
Driest since:
1904
110th Wettest
Wettest since:
1985
Ties: 1999
Oct–Nov 2009
2-Month
8.94"
(227.08mm)
6.03"
(153.16mm)
2.91"
(73.92mm)
121st Driest
Driest since:
1904
8th Wettest
Wettest since:
1919
Sep–Nov 2009
3-Month
12.82"
(325.63mm)
9.50"
(241.30mm)
3.32"
(84.33mm)
114th Driest
Driest since:
1953
15th Wettest
Wettest since:
1926
Aug–Nov 2009
4-Month
16.77"
(425.96mm)
13.17"
(334.52mm)
3.60"
(91.44mm)
117th Driest
Driest since:
1953
12th Wettest
Wettest since:
1926
Jul–Nov 2009
5-Month
21.88"
(555.75mm)
17.16"
(435.86mm)
4.72"
(119.89mm)
122nd Driest
Driest since:
1953
7th Wettest
Wettest since:
1926
Jun–Nov 2009
6-Month
26.77"
(679.96mm)
21.42"
(544.07mm)
5.35"
(135.89mm)
121st Driest
Driest since:
1953
8th Wettest
Wettest since:
1926
May–Nov 2009
7-Month
32.81"
(833.37mm)
25.68"
(652.27mm)
7.13"
(181.10mm)
126th Driest
Driest since:
1953
3rd Wettest
Wettest since:
1915
Apr–Nov 2009
8-Month
37.82"
(960.63mm)
29.60"
(751.84mm)
8.22"
(208.79mm)
127th Driest
Driest since:
1930
2nd Wettest
Wettest to Date
2011
Mar–Nov 2009
9-Month
41.40"
(1,051.56mm)
33.41"
(848.61mm)
7.99"
(202.95mm)
125th Driest
Driest since:
1930
4th Wettest
Wettest since:
2011
Feb–Nov 2009
10-Month
43.66"
(1,108.96mm)
36.08"
(916.43mm)
7.58"
(192.53mm)
122nd Driest
Driest since:
1930
7th Wettest
Wettest since:
2011
Jan–Nov 2009
11-Month
46.13"
(1,171.70mm)
39.12"
(993.65mm)
7.01"
(178.05mm)
118th Driest
Driest since:
1930
11th Wettest
Wettest since:
2019
Dec 2008–Nov 2009
12-Month
51.12"
(1,298.45mm)
42.22"
(1,072.39mm)
8.90"
(226.06mm)
121st Driest
Driest since:
1901
7th Wettest
Wettest since:
2019
Jun 2008–Nov 2009
18-Month
72.75"
(1,847.85mm)
63.66"
(1,616.96mm)
9.09"
(230.89mm)
115th Driest
Driest since:
1953
13th Wettest
Wettest since:
2019
Dec 2007–Nov 2009
24-Month
100.58"
(2,554.73mm)
84.44"
(2,144.78mm)
16.14"
(409.95mm)
124th Driest
Driest since:
1931
3rd Wettest
Wettest to Date
2019
Dec 2006–Nov 2009
36-Month
138.97"
(3,529.84mm)
126.67"
(3,217.42mm)
12.30"
(312.42mm)
108th Driest
Driest since:
1954
18th Wettest
Wettest since:
2020
Dec 2005–Nov 2009
48-Month
182.06"
(4,624.32mm)
168.94"
(4,291.08mm)
13.12"
(333.24mm)
103rd Driest
Driest since:
1956
22nd Wettest
Wettest since:
2020
Dec 2004–Nov 2009
60-Month
221.86"
(5,635.24mm)
211.17"
(5,363.72mm)
10.69"
(271.52mm)
89th Driest
Driest since:
1956
35th Wettest
Wettest since:
2021

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