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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

January 1985 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1985 1-Month	-2.47	0.21	-2.68	5th Driest	Driest since: 1981	1970
January 1985 1-Month	-2.47	0.21	-2.68	127th Wettest	Wettest since: 1984	1979
Dec 1984–Jan 1985 2-Month	-1.59	0.14	-1.73	9th Driest	Driest since: 1981	1981
Dec 1984–Jan 1985 2-Month	-1.59	0.14	-1.73	122nd Wettest	Wettest since: 1984	1978
Nov 1984–Jan 1985 3-Month	-1.46	0.00	-1.46	12th Driest	Driest since: 1981	1981
Nov 1984–Jan 1985 3-Month	-1.46	0.00	-1.46	119th Wettest	Wettest since: 1984	1978
Oct 1984–Jan 1985 4-Month	-1.45	0.03	-1.48	11th Driest	Driest since: 1981	2025
Oct 1984–Jan 1985 4-Month	-1.45	0.03	-1.48	120th Wettest	Wettest since: 1984	1978
Sep 1984–Jan 1985 5-Month	-1.62	0.03	-1.65	9th Driest	Driest since: 1981	2025
Sep 1984–Jan 1985 5-Month	-1.62	0.03	-1.65	122nd Wettest	Wettest since: 1984	1978
Aug 1984–Jan 1985 6-Month	-1.47	0.04	-1.51	10th Driest	Driest since: 1981	1931
Aug 1984–Jan 1985 6-Month	-1.47	0.04	-1.51	121st Wettest	Wettest since: 1984	2019
Jul 1984–Jan 1985 7-Month	-0.86	0.02	-0.88	24th Driest	Driest since: 1981	1931
Jul 1984–Jan 1985 7-Month	-0.86	0.02	-0.88	107th Wettest	Wettest since: 1984	2019
Jun 1984–Jan 1985 8-Month	-0.63	0.03	-0.66	27th Driest	Driest since: 1981	1931
Jun 1984–Jan 1985 8-Month	-0.63	0.03	-0.66	104th Wettest	Wettest since: 1984	2019
May 1984–Jan 1985 9-Month	-0.11	-0.01	-0.10	53rd Driest	Driest since: 1983	1981
	-0.11	-0.01	-0.10	78th Wettest	Wettest since: 1984	2019
	Ties: 1929
Apr 1984–Jan 1985 10-Month	0.05	0.00	0.05	67th Driest	Driest since: 1983	1931
Apr 1984–Jan 1985 10-Month	0.05	0.00	0.05	64th Wettest	Wettest since: 1984	2019
Mar 1984–Jan 1985 11-Month	0.15	0.01	0.14	79th Driest	Driest since: 1983	1931
Mar 1984–Jan 1985 11-Month	0.15	0.01	0.14	52nd Wettest	Wettest since: 1984	2019
Feb 1984–Jan 1985 12-Month	0.25	0.02	0.23	85th Driest	Driest since: 1983	1931
	0.25	0.02	0.23	46th Wettest	Wettest since: 1984	2019
	Ties: 1961
Aug 1983–Jan 1985 18-Month	0.26	0.03	0.23	85th Driest	Driest since: 1983	1966
Aug 1983–Jan 1985 18-Month	0.26	0.03	0.23	45th Wettest	Wettest since: 1984	2019
Feb 1983–Jan 1985 24-Month	0.53	0.03	0.50	108th Driest	Driest since: 1984	1966
Feb 1983–Jan 1985 24-Month	0.53	0.03	0.50	22nd Wettest	Wettest since: 1979	2020
Feb 1982–Jan 1985 36-Month	0.31	0.03	0.28	96th Driest	Driest since: 1984	1967
Feb 1982–Jan 1985 36-Month	0.31	0.03	0.28	33rd Wettest	Wettest since: 1980	2021
Feb 1981–Jan 1985 48-Month	0.23	0.03	0.20	89th Driest	Driest since: 1984	1967
Feb 1981–Jan 1985 48-Month	0.23	0.03	0.20	39th Wettest	Wettest since: 1980	1976, 2022
Feb 1980–Jan 1985 60-Month	-0.09	0.03	-0.12	35th Driest	Driest since: 1984	1967
Feb 1980–Jan 1985 60-Month	-0.09	0.03	-0.12	92nd Wettest	Wettest since: 1982	1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 30, 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

January 1985 Palmer Z-Index Rankings

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