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.

Pennsylvania, Climate Division 2

December 1985 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1985 1-Month	-1.36	0.09	-1.45	25th Driest	Driest since: 1982	1955
December 1985 1-Month	-1.36	0.09	-1.45	106th Wettest	Wettest since: 1984	1996
Nov–Dec 1985 2-Month	0.71	-0.09	0.80	95th Driest	Driest since: 1984	1931
Nov–Dec 1985 2-Month	0.71	-0.09	0.80	36th Wettest	Wettest since: 1983	1972
Oct–Dec 1985 3-Month	0.04	-0.02	0.06	62nd Driest	Driest since: 1984	1930
Oct–Dec 1985 3-Month	0.04	-0.02	0.06	69th Wettest	Wettest since: 1983	1996
Sep–Dec 1985 4-Month	0.60	0.00	0.60	90th Driest	Driest since: 1984	2024
Sep–Dec 1985 4-Month	0.60	0.00	0.60	41st Wettest	Wettest since: 1983	2018
Aug–Dec 1985 5-Month	0.44	0.02	0.42	80th Driest	Driest since: 1984	1930
	0.44	0.02	0.42	51st Wettest	Wettest since: 1983	2011
	Ties: 1962
Jul–Dec 1985 6-Month	0.39	0.01	0.38	83rd Driest	Driest since: 1984	1930
Jul–Dec 1985 6-Month	0.39	0.01	0.38	48th Wettest	Wettest since: 1979	2018
Jun–Dec 1985 7-Month	0.43	0.02	0.41	91st Driest	Driest since: 1984	1930
Jun–Dec 1985 7-Month	0.43	0.02	0.41	40th Wettest	Wettest since: 1977	2018
May–Dec 1985 8-Month	0.36	-0.02	0.38	84th Driest	Driest since: 1984	1964
	0.36	-0.02	0.38	47th Wettest	Wettest since: 1979	2018
	Ties: 1955
Apr–Dec 1985 9-Month	-0.03	-0.01	-0.02	54th Driest	Driest since: 1981	1930
	-0.03	-0.01	-0.02	77th Wettest	Wettest since: 1984	2018
	Ties: 1946
Mar–Dec 1985 10-Month	-0.28	0.00	-0.28	40th Driest	Driest since: 1981	1930
Mar–Dec 1985 10-Month	-0.28	0.00	-0.28	91st Wettest	Wettest since: 1984	2011
Feb–Dec 1985 11-Month	-0.31	0.02	-0.33	38th Driest	Driest since: 1980	1930
Feb–Dec 1985 11-Month	-0.31	0.02	-0.33	93rd Wettest	Wettest since: 1984	2018
Jan–Dec 1985 12-Month	-0.49	0.03	-0.52	25th Driest	Driest since: 1980	1930
Jan–Dec 1985 12-Month	-0.49	0.03	-0.52	106th Wettest	Wettest since: 1984	2018
Jul 1984–Dec 1985 18-Month	-0.53	0.02	-0.55	21st Driest	Driest since: 1981	1965
Jul 1984–Dec 1985 18-Month	-0.53	0.02	-0.55	109th Wettest	Wettest since: 1984	2019
Jan 1984–Dec 1985 24-Month	-0.09	0.03	-0.12	52nd Driest	Driest since: 1982	1931
Jan 1984–Dec 1985 24-Month	-0.09	0.03	-0.12	78th Wettest	Wettest since: 1984	2019
Jan 1983–Dec 1985 36-Month	0.24	0.03	0.21	88th Driest	Driest since: 1983	1965
Jan 1983–Dec 1985 36-Month	0.24	0.03	0.21	41st Wettest	Wettest since: 1984	2020
Jan 1982–Dec 1985 48-Month	0.17	0.03	0.14	80th Driest	Driest since: 1983	1966
Jan 1982–Dec 1985 48-Month	0.17	0.03	0.14	48th Wettest	Wettest since: 1984	2021
Jan 1981–Dec 1985 60-Month	0.08	0.03	0.05	69th Driest	Driest since: 1984	1966
Jan 1981–Dec 1985 60-Month	0.08	0.03	0.05	58th Wettest	Wettest since: 1980	1976, 1979, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Pennsylvania, Climate Division 2

December 1985 Palmer Z-Index Rankings

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