Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

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

New York, Climate Division 8

December 1999 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1999 1-Month	-1.19	-0.30	-0.89	35th Driest	Driest since: 1998	1930
December 1999 1-Month	-1.19	-0.30	-0.89	96th Wettest	Wettest since: 1996	1983
Nov–Dec 1999 2-Month	-0.90	-0.16	-0.74	40th Driest	Driest since: 1998	1930
Nov–Dec 1999 2-Month	-0.90	-0.16	-0.74	91st Wettest	Wettest since: 1997	1927
Oct–Dec 1999 3-Month	-0.06	-0.06	0.00	53rd Driest	Driest since: 1998	1930
Oct–Dec 1999 3-Month	-0.06	-0.06	0.00	78th Wettest	Wettest since: 1997	1927
Sep–Dec 1999 4-Month	0.62	-0.06	0.68	89th Driest	Driest since: 1998	1930
Sep–Dec 1999 4-Month	0.62	-0.06	0.68	42nd Wettest	Wettest since: 1996	2005
Aug–Dec 1999 5-Month	-0.07	-0.07	0.00	56th Driest	Driest since: 1998	1908
	-0.07	-0.07	0.00	75th Wettest	Wettest since: 1997	1977
	Ties: 1920, 1951
Jul–Dec 1999 6-Month	0.12	-0.03	0.15	56th Driest	Driest since: 1994	1908
	0.12	-0.03	0.15	75th Wettest	Wettest since: 1998	1986
	Ties: 1924
Jun–Dec 1999 7-Month	-0.16	0.01	-0.17	45th Driest	Driest since: 1994	1908
Jun–Dec 1999 7-Month	-0.16	0.01	-0.17	86th Wettest	Wettest since: 1998	1986
May–Dec 1999 8-Month	-0.44	0.01	-0.45	40th Driest	Driest since: 1994	1934
May–Dec 1999 8-Month	-0.44	0.01	-0.45	91st Wettest	Wettest since: 1998	1986
Apr–Dec 1999 9-Month	-0.85	0.00	-0.85	22nd Driest	Driest since: 1991	1941
	-0.85	0.00	-0.85	109th Wettest	Wettest since: 1998	1954
	Ties: 1906
Mar–Dec 1999 10-Month	-0.53	0.01	-0.54	32nd Driest	Driest since: 1991	1941
Mar–Dec 1999 10-Month	-0.53	0.01	-0.54	99th Wettest	Wettest since: 1998	1954
Feb–Dec 1999 11-Month	-0.71	0.01	-0.72	21st Driest	Driest since: 1991	1941
	-0.71	0.01	-0.72	110th Wettest	Wettest since: 1998	1954
	Ties: 1911
Jan–Dec 1999 12-Month	-0.19	0.04	-0.23	45th Driest	Driest since: 1995	1941
Jan–Dec 1999 12-Month	-0.19	0.04	-0.23	86th Wettest	Wettest since: 1998	1954
Jul 1998–Dec 1999 18-Month	-0.01	0.02	-0.03	62nd Driest	Driest since: 1995	1934
	-0.01	0.02	-0.03	68th Wettest	Wettest since: 1998	1973
	Ties: 1912
Jan 1998–Dec 1999 24-Month	0.24	0.04	0.20	71st Driest	Driest since: 1995	1934
Jan 1998–Dec 1999 24-Month	0.24	0.04	0.20	59th Wettest	Wettest since: 1998	1973
Jan 1997–Dec 1999 36-Month	0.32	0.03	0.29	89th Driest	Driest since: 1996	1908
Jan 1997–Dec 1999 36-Month	0.32	0.03	0.29	40th Wettest	Wettest since: 1998	1974
Jan 1996–Dec 1999 48-Month	0.54	0.03	0.51	112th Driest	Driest since: 1998	1944
	0.54	0.03	0.51	16th Wettest	Wettest since: 1979	1974
	Ties: 1979
Jan 1995–Dec 1999 60-Month	0.39	0.03	0.36	102nd Driest	Driest since: 1998	1944
Jan 1995–Dec 1999 60-Month	0.39	0.03	0.36	25th Wettest	Wettest since: 1997	1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

New York, Climate Division 8

December 1999 Palmer Z-Index Rankings

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