Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, December 2013

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 2013
1-Month 		4.26"
(108.20mm)		 3.11"
(78.99mm)		 1.15"
(29.21mm)		 103rd Driest
Driest since:
 1958
26th Wettest
Wettest since:
 1990
Nov–Dec 2013
2-Month 		7.22"
(183.39mm)		 6.23"
(158.24mm)		 0.99"
(25.15mm)		 91st Driest
Driest since:
 1976
38th Wettest
Wettest since:
 2015
Oct–Dec 2013
3-Month 		10.50"
(266.70mm)		 9.13"
(231.90mm)		 1.37"
(34.80mm)		 92nd Driest
Driest since:
 1963
37th Wettest
Wettest since:
 1990
Ties: 1921
Sep–Dec 2013
4-Month 		13.24"
(336.30mm)		 12.60"
(320.04mm)		 0.64"
(16.26mm)		 67th Driest
Driest since:
 1963
62nd Wettest
Wettest since:
 1926
Aug–Dec 2013
5-Month 		16.54"
(420.12mm)		 16.27"
(413.26mm)		 0.27"
(6.86mm)		 65th Driest
Driest since:
 1953
64th Wettest
Wettest since:
 1926
Jul–Dec 2013
6-Month 		21.33"
(541.78mm)		 20.27"
(514.86mm)		 1.06"
(26.92mm)		 76th Driest
Driest since:
 1953
53rd Wettest
Wettest since:
 1926
Jun–Dec 2013
7-Month 		26.88"
(682.75mm)		 24.52"
(622.81mm)		 2.36"
(59.94mm)		 90th Driest
Driest since:
 1953
39th Wettest
Wettest since:
 2015
May–Dec 2013
8-Month 		32.00"
(812.80mm)		 28.79"
(731.27mm)		 3.21"
(81.53mm)		 95th Driest
Driest since:
 1953
34th Wettest
Wettest since:
 2015
Apr–Dec 2013
9-Month 		37.82"
(960.63mm)		 32.70"
(830.58mm)		 5.12"
(130.05mm)		 111th Driest
Driest since:
 1930
18th Wettest
Wettest since:
 2015
Ties: 1926
Mar–Dec 2013
10-Month 		41.24"
(1,047.50mm)		 36.51"
(927.35mm)		 4.73"
(120.15mm)		 107th Driest
Driest since:
 1930
22nd Wettest
Wettest since:
 2011
Feb–Dec 2013
11-Month 		43.78"
(1,112.01mm)		 39.19"
(995.43mm)		 4.59"
(116.58mm)		 105th Driest
Driest since:
 1930
24th Wettest
Wettest since:
 2011
Jan–Dec 2013
12-Month 		48.36"
(1,228.34mm)		 42.23"
(1,072.64mm)		 6.13"
(155.70mm)		 110th Driest
Driest since:
 1930
19th Wettest
Wettest since:
 2019
Jul 2012–Dec 2013
18-Month 		68.85"
(1,748.79mm)		 62.51"
(1,587.75mm)		 6.34"
(161.04mm)		 106th Driest
Driest since:
 1953
22nd Wettest
Wettest since:
 2019
Jan 2012–Dec 2013
24-Month 		85.17"
(2,163.32mm)		 84.45"
(2,145.03mm)		 0.72"
(18.29mm)		 61st Driest
Driest since:
 1953
67th Wettest
Wettest since:
 2019
Jan 2011–Dec 2013
36-Month 		138.87"
(3,527.30mm)		 126.69"
(3,217.93mm)		 12.18"
(309.37mm)		 109th Driest
Driest since:
 1954
18th Wettest
Wettest since:
 2020
Jan 2010–Dec 2013
48-Month 		181.23"
(4,603.24mm)		 168.95"
(4,291.33mm)		 12.28"
(311.91mm)		 102nd Driest
Driest since:
 1955
24th Wettest
Wettest since:
 2021
Jan 2009–Dec 2013
60-Month 		231.23"
(5,873.24mm)		 211.20"
(5,364.48mm)		 20.03"
(508.76mm)		 114th Driest
Driest since:
 1956
11th Wettest
Wettest since:
 2021

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