Statewide Rankings

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Month:

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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, September 1999

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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
September 1999 1-Month	1.33" (33.78mm)	3.24" (82.30mm)	-1.91" (-48.52mm)	16th Driest	Driest since: 1998	2019
September 1999 1-Month	1.33" (33.78mm)	3.24" (82.30mm)	-1.91" (-48.52mm)	113th Wettest	Wettest since: 1997	1979
Aug–Sep 1999 2-Month	3.30" (83.82mm)	6.97" (177.04mm)	-3.67" (-93.22mm)	6th Driest	Driest since: 1998	2008
Aug–Sep 1999 2-Month	3.30" (83.82mm)	6.97" (177.04mm)	-3.67" (-93.22mm)	123rd Wettest	Wettest since: 1997	1979
Jul–Sep 1999 3-Month	5.43" (137.92mm)	11.31" (287.27mm)	-5.88" (-149.35mm)	1st Driest	Driest to Date	1999
Jul–Sep 1999 3-Month	5.43" (137.92mm)	11.31" (287.27mm)	-5.88" (-149.35mm)	128th Wettest	Wettest since: 1998	1979
Jun–Sep 1999 4-Month	10.05" (255.27mm)	15.56" (395.22mm)	-5.51" (-139.95mm)	4th Driest	Driest since: 1983	1930
Jun–Sep 1999 4-Month	10.05" (255.27mm)	15.56" (395.22mm)	-5.51" (-139.95mm)	125th Wettest	Wettest since: 1998	1979
May–Sep 1999 5-Month	12.94" (328.68mm)	19.90" (505.46mm)	-6.96" (-176.78mm)	3rd Driest	Driest since: 1936	1930
May–Sep 1999 5-Month	12.94" (328.68mm)	19.90" (505.46mm)	-6.96" (-176.78mm)	126th Wettest	Wettest since: 1998	1979
Apr–Sep 1999 6-Month	16.42" (417.07mm)	24.00" (609.60mm)	-7.58" (-192.53mm)	2nd Driest	Driest since: 1930	1930
Apr–Sep 1999 6-Month	16.42" (417.07mm)	24.00" (609.60mm)	-7.58" (-192.53mm)	127th Wettest	Wettest since: 1998	1979
Mar–Sep 1999 7-Month	19.85" (504.19mm)	28.71" (729.23mm)	-8.86" (-225.04mm)	3rd Driest	Driest since: 1930	1930
Mar–Sep 1999 7-Month	19.85" (504.19mm)	28.71" (729.23mm)	-8.86" (-225.04mm)	126th Wettest	Wettest since: 1998	2011
Feb–Sep 1999 8-Month	22.72" (577.09mm)	32.32" (820.93mm)	-9.60" (-243.84mm)	4th Driest	Driest since: 1941	1930
Feb–Sep 1999 8-Month	22.72" (577.09mm)	32.32" (820.93mm)	-9.60" (-243.84mm)	125th Wettest	Wettest since: 1998	2018
Jan–Sep 1999 9-Month	29.42" (747.27mm)	36.52" (927.61mm)	-7.10" (-180.34mm)	9th Driest	Driest since: 1987	1930
Jan–Sep 1999 9-Month	29.42" (747.27mm)	36.52" (927.61mm)	-7.10" (-180.34mm)	120th Wettest	Wettest since: 1998	1950
Dec 1998–Sep 1999 10-Month	34.23" (869.44mm)	40.57" (1,030.48mm)	-6.34" (-161.04mm)	16th Driest	Driest since: 1987	1930
Dec 1998–Sep 1999 10-Month	34.23" (869.44mm)	40.57" (1,030.48mm)	-6.34" (-161.04mm)	112th Wettest	Wettest since: 1998	1979
Nov 1998–Sep 1999 11-Month	36.25" (920.75mm)	44.19" (1,122.43mm)	-7.94" (-201.68mm)	13th Driest	Driest since: 1963	1930
Nov 1998–Sep 1999 11-Month	36.25" (920.75mm)	44.19" (1,122.43mm)	-7.94" (-201.68mm)	115th Wettest	Wettest since: 1998	1979
Oct 1998–Sep 1999 12-Month	38.96" (989.58mm)	47.00" (1,193.80mm)	-8.04" (-204.22mm)	12th Driest	Driest since: 1959	1941
Oct 1998–Sep 1999 12-Month	38.96" (989.58mm)	47.00" (1,193.80mm)	-8.04" (-204.22mm)	116th Wettest	Wettest since: 1998	1979
Apr 1998–Sep 1999 18-Month	68.56" (1,741.42mm)	70.96" (1,802.38mm)	-2.40" (-60.96mm)	42nd Driest	Driest since: 1993	1931
Apr 1998–Sep 1999 18-Month	68.56" (1,741.42mm)	70.96" (1,802.38mm)	-2.40" (-60.96mm)	86th Wettest	Wettest since: 1998	1979
Oct 1997–Sep 1999 24-Month	86.92" (2,207.77mm)	93.93" (2,385.82mm)	-7.01" (-178.05mm)	27th Driest	Driest since: 1988	1941
	86.92" (2,207.77mm)	93.93" (2,385.82mm)	-7.01" (-178.05mm)	100th Wettest	Wettest since: 1998	2020
	Ties: 1903
Oct 1996–Sep 1999 36-Month	140.45" (3,567.43mm)	140.96" (3,580.38mm)	-0.51" (-12.95mm)	52nd Driest	Driest since: 1988	1942
Oct 1996–Sep 1999 36-Month	140.45" (3,567.43mm)	140.96" (3,580.38mm)	-0.51" (-12.95mm)	74th Wettest	Wettest since: 1998	2020
Oct 1995–Sep 1999 48-Month	195.05" (4,954.27mm)	188.03" (4,775.96mm)	7.02" (178.31mm)	81st Driest	Driest since: 1995	1943
Oct 1995–Sep 1999 48-Month	195.05" (4,954.27mm)	188.03" (4,775.96mm)	7.02" (178.31mm)	44th Wettest	Wettest since: 1998	2021
Oct 1994–Sep 1999 60-Month	241.58" (6,136.13mm)	235.03" (5,969.76mm)	6.55" (166.37mm)	77th Driest	Driest since: 1995	1944
Oct 1994–Sep 1999 60-Month	241.58" (6,136.13mm)	235.03" (5,969.76mm)	6.55" (166.37mm)	47th Wettest	Wettest since: 1998	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings