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, November 1971

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 1971
1-Month 		1.97"
(50.04mm)		 3.13"
(79.50mm)		 -1.16"
(-29.46mm)		 21st Driest
Driest since:
 1904
108th Wettest
Wettest since:
 1985
Oct–Nov 1971
2-Month 		4.05"
(102.87mm)		 6.03"
(153.16mm)		 -1.98"
(-50.29mm)		 17th Driest
Driest since:
 1904
112th Wettest
Wettest since:
 1919
Sep–Nov 1971
3-Month 		8.01"
(203.45mm)		 9.50"
(241.30mm)		 -1.49"
(-37.85mm)		 34th Driest
Driest since:
 1953
95th Wettest
Wettest since:
 1926
Aug–Nov 1971
4-Month 		10.82"
(274.83mm)		 13.17"
(334.52mm)		 -2.35"
(-59.69mm)		 20th Driest
Driest since:
 1953
109th Wettest
Wettest since:
 1926
Jul–Nov 1971
5-Month 		15.86"
(402.84mm)		 17.16"
(435.86mm)		 -1.30"
(-33.02mm)		 32nd Driest
Driest since:
 1953
97th Wettest
Wettest since:
 1926
Ties: 1913
Jun–Nov 1971
6-Month 		19.38"
(492.25mm)		 21.42"
(544.07mm)		 -2.04"
(-51.82mm)		 30th Driest
Driest since:
 1953
99th Wettest
Wettest since:
 1926
May–Nov 1971
7-Month 		23.74"
(603.00mm)		 25.68"
(652.27mm)		 -1.94"
(-49.27mm)		 36th Driest
Driest since:
 1953
93rd Wettest
Wettest since:
 1915
Apr–Nov 1971
8-Month 		25.58"
(649.73mm)		 29.60"
(751.84mm)		 -4.02"
(-102.11mm)		 18th Driest
Driest since:
 1930
111th Wettest
Wettest since:
 2011
Mar–Nov 1971
9-Month 		27.54"
(699.52mm)		 33.41"
(848.61mm)		 -5.87"
(-149.09mm)		 8th Driest
Driest since:
 1930
121st Wettest
Wettest since:
 2011
Feb–Nov 1971
10-Month 		31.29"
(794.77mm)		 36.08"
(916.43mm)		 -4.79"
(-121.66mm)		 13th Driest
Driest since:
 1930
116th Wettest
Wettest since:
 2011
Jan–Nov 1971
11-Month 		33.70"
(855.98mm)		 39.12"
(993.65mm)		 -5.42"
(-137.67mm)		 13th Driest
Driest since:
 1930
116th Wettest
Wettest since:
 2019
Dec 1970–Nov 1971
12-Month 		36.45"
(925.83mm)		 42.22"
(1,072.39mm)		 -5.77"
(-146.56mm)		 10th Driest
Driest since:
 1901
118th Wettest
Wettest since:
 2019
Jun 1970–Nov 1971
18-Month 		60.60"
(1,539.24mm)		 63.66"
(1,616.96mm)		 -3.06"
(-77.72mm)		 27th Driest
Driest since:
 1953
101st Wettest
Wettest since:
 2019
Dec 1969–Nov 1971
24-Month 		80.50"
(2,044.70mm)		 84.44"
(2,144.78mm)		 -3.94"
(-100.08mm)		 32nd Driest
Driest since:
 1931
95th Wettest
Wettest since:
 2019
Dec 1968–Nov 1971
36-Month 		122.58"
(3,113.53mm)		 126.67"
(3,217.42mm)		 -4.09"
(-103.89mm)		 33rd Driest
Driest since:
 1954
93rd Wettest
Wettest since:
 2020
Dec 1967–Nov 1971
48-Month 		164.67"
(4,182.62mm)		 168.94"
(4,291.08mm)		 -4.27"
(-108.46mm)		 31st Driest
Driest since:
 1956
94th Wettest
Wettest since:
 2020
Dec 1966–Nov 1971
60-Month 		206.90"
(5,255.26mm)		 211.17"
(5,363.72mm)		 -4.27"
(-108.46mm)		 32nd Driest
Driest since:
 1956
92nd Wettest
Wettest since:
 2021

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