Statewide Rankings

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

Kentucky

Precipitation Rankings, December 1990

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1990
1-Month 		10.67"
(271.02mm)		 4.06"
(103.12mm)		 6.61"
(167.90mm)		 128th Driest
Driest since:
 1965
1st Wettest
Wettest to Date
 1990
Nov–Dec 1990
2-Month 		13.57"
(344.68mm)		 7.63"
(193.80mm)		 5.94"
(150.88mm)		 125th Driest
Driest since:
 1976
4th Wettest
Wettest since:
 1978
Oct–Dec 1990
3-Month 		18.37"
(466.60mm)		 10.42"
(264.67mm)		 7.95"
(201.93mm)		 127th Driest
Driest since:
 1963
2nd Wettest
Wettest since:
 1919
Sep–Dec 1990
4-Month 		21.48"
(545.59mm)		 13.65"
(346.71mm)		 7.83"
(198.88mm)		 126th Driest
Driest since:
 1963
3rd Wettest
Wettest since:
 2018
Aug–Dec 1990
5-Month 		25.27"
(641.86mm)		 17.39"
(441.71mm)		 7.88"
(200.15mm)		 124th Driest
Driest since:
 1953
5th Wettest
Wettest since:
 2018
Jul–Dec 1990
6-Month 		29.06"
(738.12mm)		 21.73"
(551.94mm)		 7.33"
(186.18mm)		 121st Driest
Driest since:
 1953
8th Wettest
Wettest since:
 1979
Jun–Dec 1990
7-Month 		32.42"
(823.47mm)		 25.98"
(659.89mm)		 6.44"
(163.58mm)		 113th Driest
Driest since:
 1930
16th Wettest
Wettest since:
 2018
May–Dec 1990
8-Month 		39.00"
(990.60mm)		 30.32"
(770.13mm)		 8.68"
(220.47mm)		 119th Driest
Driest since:
 1930
10th Wettest
Wettest since:
 2018
Apr–Dec 1990
9-Month 		41.96"
(1,065.78mm)		 34.42"
(874.27mm)		 7.54"
(191.51mm)		 113th Driest
Driest since:
 1930
16th Wettest
Wettest since:
 2011
Mar–Dec 1990
10-Month 		45.00"
(1,143.00mm)		 39.13"
(993.90mm)		 5.87"
(149.10mm)		 107th Driest
Driest since:
 1930
22nd Wettest
Wettest since:
 2011
Feb–Dec 1990
11-Month 		51.36"
(1,304.54mm)		 42.74"
(1,085.60mm)		 8.62"
(218.94mm)		 115th Driest
Driest since:
 1930
14th Wettest
Wettest since:
 2011
Jan–Dec 1990
12-Month 		55.41"
(1,407.41mm)		 46.94"
(1,192.28mm)		 8.47"
(215.13mm)		 113th Driest
Driest since:
 1930
16th Wettest
Wettest since:
 2011
Jul 1989–Dec 1990
18-Month 		78.33"
(1,989.58mm)		 68.70"
(1,744.98mm)		 9.63"
(244.60mm)		 107th Driest
Driest since:
 1930
21st Wettest
Wettest since:
 1979
Jan 1989–Dec 1990
24-Month 		113.15"
(2,874.01mm)		 93.88"
(2,384.55mm)		 19.27"
(489.46mm)		 121st Driest
Driest since:
 1931
7th Wettest
Wettest since:
 2019
Jan 1988–Dec 1990
36-Month 		156.70"
(3,980.18mm)		 140.90"
(3,578.86mm)		 15.80"
(401.32mm)		 109th Driest
Driest since:
 1954
18th Wettest
Wettest since:
 2020
Jan 1987–Dec 1990
48-Month 		195.14"
(4,956.56mm)		 187.95"
(4,773.93mm)		 7.19"
(182.63mm)		 85th Driest
Driest since:
 1904
41st Wettest
Wettest since:
 2021
Jan 1986–Dec 1990
60-Month 		237.72"
(6,038.09mm)		 235.00"
(5,969.00mm)		 2.72"
(69.09mm)		 60th Driest
Driest since:
 1944
65th Wettest
Wettest since:
 2021

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