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, December 1972

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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
December 1972
1-Month 		4.60"
(116.84mm)		 3.11"
(78.99mm)		 1.49"
(37.85mm)		 117th Driest
Driest since:
 1958
12th Wettest
Wettest since:
 1990
Nov–Dec 1972
2-Month 		9.84"
(249.94mm)		 6.23"
(158.24mm)		 3.61"
(91.70mm)		 124th Driest
Driest since:
 1976
5th Wettest
Wettest to Date
 2015
Oct–Dec 1972
3-Month 		13.08"
(332.23mm)		 9.13"
(231.90mm)		 3.95"
(100.33mm)		 122nd Driest
Driest since:
 1963
7th Wettest
Wettest since:
 1990
Sep–Dec 1972
4-Month 		18.10"
(459.74mm)		 12.60"
(320.04mm)		 5.50"
(139.70mm)		 126th Driest
Driest since:
 1963
3rd Wettest
Wettest since:
 1926
Aug–Dec 1972
5-Month 		21.60"
(548.64mm)		 16.27"
(413.26mm)		 5.33"
(135.38mm)		 125th Driest
Driest since:
 1953
4th Wettest
Wettest since:
 1926
Jul–Dec 1972
6-Month 		26.25"
(666.75mm)		 20.27"
(514.86mm)		 5.98"
(151.89mm)		 124th Driest
Driest since:
 1953
5th Wettest
Wettest since:
 1926
Jun–Dec 1972
7-Month 		29.64"
(752.86mm)		 24.52"
(622.81mm)		 5.12"
(130.05mm)		 120th Driest
Driest since:
 1953
9th Wettest
Wettest since:
 2015
May–Dec 1972
8-Month 		33.11"
(840.99mm)		 28.79"
(731.27mm)		 4.32"
(109.72mm)		 108th Driest
Driest since:
 1953
21st Wettest
Wettest since:
 2015
Apr–Dec 1972
9-Month 		38.67"
(982.22mm)		 32.70"
(830.58mm)		 5.97"
(151.64mm)		 114th Driest
Driest since:
 1930
15th Wettest
Wettest since:
 2015
Mar–Dec 1972
10-Month 		41.94"
(1,065.28mm)		 36.51"
(927.35mm)		 5.43"
(137.93mm)		 111th Driest
Driest since:
 1930
18th Wettest
Wettest since:
 2011
Feb–Dec 1972
11-Month 		44.43"
(1,128.52mm)		 39.19"
(995.43mm)		 5.24"
(133.09mm)		 109th Driest
Driest since:
 1930
20th Wettest
Wettest since:
 2011
Jan–Dec 1972
12-Month 		47.28"
(1,200.91mm)		 42.23"
(1,072.64mm)		 5.05"
(128.27mm)		 103rd Driest
Driest since:
 1930
26th Wettest
Wettest since:
 2019
Jul 1971–Dec 1972
18-Month 		67.75"
(1,720.85mm)		 62.51"
(1,587.75mm)		 5.24"
(133.10mm)		 98th Driest
Driest since:
 1953
30th Wettest
Wettest since:
 2019
Jan 1971–Dec 1972
24-Month 		85.59"
(2,173.99mm)		 84.45"
(2,145.03mm)		 1.14"
(28.96mm)		 67th Driest
Driest since:
 1953
61st Wettest
Wettest since:
 2019
Jan 1970–Dec 1972
36-Month 		128.81"
(3,271.77mm)		 126.69"
(3,217.93mm)		 2.12"
(53.84mm)		 70th Driest
Driest since:
 1954
57th Wettest
Wettest since:
 2020
Jan 1969–Dec 1972
48-Month 		171.10"
(4,345.94mm)		 168.95"
(4,291.33mm)		 2.15"
(54.61mm)		 64th Driest
Driest since:
 1955
62nd Wettest
Wettest since:
 2021
Jan 1968–Dec 1972
60-Month 		211.71"
(5,377.43mm)		 211.20"
(5,364.48mm)		 0.51"
(12.95mm)		 55th Driest
Driest since:
 1956
70th Wettest
Wettest since:
 2021

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