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 1939

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1939
1-Month 		2.45"
(62.23mm)		 4.06"
(103.12mm)		 -1.61"
(-40.89mm)		 21st Driest
Driest since:
 1965
108th Wettest
Wettest since:
 1990
Nov–Dec 1939
2-Month 		3.70"
(93.98mm)		 7.63"
(193.80mm)		 -3.93"
(-99.82mm)		 4th Driest
Driest since:
 1976
125th Wettest
Wettest since:
 1978
Oct–Dec 1939
3-Month 		5.88"
(149.35mm)		 10.42"
(264.67mm)		 -4.54"
(-115.32mm)		 6th Driest
Driest since:
 1963
123rd Wettest
Wettest since:
 1919
Sep–Dec 1939
4-Month 		7.11"
(180.59mm)		 13.65"
(346.71mm)		 -6.54"
(-166.12mm)		 3rd Driest
Driest to Date
 1963
126th Wettest
Wettest since:
 2018
Aug–Dec 1939
5-Month 		10.01"
(254.25mm)		 17.39"
(441.71mm)		 -7.38"
(-187.46mm)		 3rd Driest
Driest to Date
 1953
126th Wettest
Wettest since:
 2018
Jul–Dec 1939
6-Month 		14.98"
(380.49mm)		 21.73"
(551.94mm)		 -6.75"
(-171.45mm)		 8th Driest
Driest since:
 1953
121st Wettest
Wettest since:
 1979
Jun–Dec 1939
7-Month 		20.98"
(532.89mm)		 25.98"
(659.89mm)		 -5.00"
(-127.00mm)		 15th Driest
Driest since:
 1930
114th Wettest
Wettest since:
 2018
May–Dec 1939
8-Month 		22.88"
(581.15mm)		 30.32"
(770.13mm)		 -7.44"
(-188.98mm)		 7th Driest
Driest since:
 1930
122nd Wettest
Wettest since:
 2018
Apr–Dec 1939
9-Month 		28.87"
(733.30mm)		 34.42"
(874.27mm)		 -5.55"
(-140.97mm)		 16th Driest
Driest since:
 1930
113th Wettest
Wettest since:
 2011
Mar–Dec 1939
10-Month 		34.57"
(878.08mm)		 39.13"
(993.90mm)		 -4.56"
(-115.82mm)		 23rd Driest
Driest since:
 1930
106th Wettest
Wettest since:
 2011
Feb–Dec 1939
11-Month 		42.90"
(1,089.66mm)		 42.74"
(1,085.60mm)		 0.16"
(4.06mm)		 56th Driest
Driest since:
 1930
73rd Wettest
Wettest since:
 2011
Jan–Dec 1939
12-Month 		48.53"
(1,232.66mm)		 46.94"
(1,192.28mm)		 1.59"
(40.38mm)		 71st Driest
Driest since:
 1930
58th Wettest
Wettest since:
 2011
Jul 1938–Dec 1939
18-Month 		70.07"
(1,779.78mm)		 68.70"
(1,744.98mm)		 1.37"
(34.80mm)		 68th Driest
Driest since:
 1930
60th Wettest
Wettest since:
 1979
Jan 1938–Dec 1939
24-Month 		95.51"
(2,425.95mm)		 93.88"
(2,384.55mm)		 1.63"
(41.40mm)		 60th Driest
Driest since:
 1931
68th Wettest
Wettest since:
 2019
Jan 1937–Dec 1939
36-Month 		145.95"
(3,707.13mm)		 140.90"
(3,578.86mm)		 5.05"
(128.27mm)		 80th Driest
Driest since:
 1954
47th Wettest
Wettest since:
 2020
Jan 1936–Dec 1939
48-Month 		185.18"
(4,703.57mm)		 187.95"
(4,773.93mm)		 -2.77"
(-70.36mm)		 44th Driest
Driest since:
 1904
82nd Wettest
Wettest since:
 2021
Jan 1935–Dec 1939
60-Month 		243.56"
(6,186.42mm)		 235.00"
(5,969.00mm)		 8.56"
(217.42mm)		 85th Driest
Driest since:
 1944
40th Wettest
Wettest since:
 2021

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