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 1

October 1995 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1995 1-Month	3.75	0.09	3.66	121st Driest	Driest since: 1994	1963
October 1995 1-Month	3.75	0.09	3.66	10th Wettest	Wettest since: 1976	2005
Sep–Oct 1995 2-Month	1.25	0.07	1.18	100th Driest	Driest since: 1994	1964
Sep–Oct 1995 2-Month	1.25	0.07	1.18	31st Wettest	Wettest since: 1993	2011
Aug–Oct 1995 3-Month	-0.57	0.04	-0.61	44th Driest	Driest since: 1991	1964
Aug–Oct 1995 3-Month	-0.57	0.04	-0.61	87th Wettest	Wettest since: 1994	2011
Jul–Oct 1995 4-Month	-0.66	0.01	-0.67	32nd Driest	Driest since: 1991	1964
Jul–Oct 1995 4-Month	-0.66	0.01	-0.67	99th Wettest	Wettest since: 1994	2011
Jun–Oct 1995 5-Month	-0.95	0.03	-0.98	18th Driest	Driest since: 1991	1964
Jun–Oct 1995 5-Month	-0.95	0.03	-0.98	113th Wettest	Wettest since: 1994	2011
May–Oct 1995 6-Month	-1.04	-0.02	-1.02	19th Driest	Driest since: 1993	1964
May–Oct 1995 6-Month	-1.04	-0.02	-1.02	112th Wettest	Wettest since: 1994	2011
Apr–Oct 1995 7-Month	-1.10	-0.02	-1.08	12th Driest	Driest since: 1991	1964
Apr–Oct 1995 7-Month	-1.10	-0.02	-1.08	119th Wettest	Wettest since: 1994	2011
Mar–Oct 1995 8-Month	-1.21	-0.01	-1.20	6th Driest	Driest since: 1991	1964
Mar–Oct 1995 8-Month	-1.21	-0.01	-1.20	125th Wettest	Wettest since: 1994	2011
Feb–Oct 1995 9-Month	-1.20	0.00	-1.20	5th Driest	Driest since: 1991	1964
Feb–Oct 1995 9-Month	-1.20	0.00	-1.20	126th Wettest	Wettest since: 1994	2011
Jan–Oct 1995 10-Month	-1.02	0.01	-1.03	7th Driest	Driest since: 1991	1991
Jan–Oct 1995 10-Month	-1.02	0.01	-1.03	124th Wettest	Wettest since: 1994	2011
Dec 1994–Oct 1995 11-Month	-0.99	0.01	-1.00	6th Driest	Driest since: 1980	1964, 1980
	-0.99	0.01	-1.00	124th Wettest	Wettest since: 1994	2011
	Ties: 1965
Nov 1994–Oct 1995 12-Month	-0.83	-0.01	-0.82	10th Driest	Driest since: 1991	1965
	-0.83	-0.01	-0.82	120th Wettest	Wettest since: 1994	2011
	Ties: 1930
May 1994–Oct 1995 18-Month	-0.33	-0.02	-0.31	32nd Driest	Driest since: 1992	1965
May 1994–Oct 1995 18-Month	-0.33	-0.02	-0.31	98th Wettest	Wettest since: 1994	2019
Nov 1993–Oct 1995 24-Month	0.01	-0.02	0.03	67th Driest	Driest since: 1993	1965
	0.01	-0.02	0.03	62nd Wettest	Wettest since: 1994	2019
	Ties: 1907
Nov 1992–Oct 1995 36-Month	0.03	-0.01	0.04	62nd Driest	Driest since: 1993	1965
	0.03	-0.01	0.04	66th Wettest	Wettest since: 1994	1975
	Ties: 1945
Nov 1991–Oct 1995 48-Month	-0.02	-0.01	-0.01	55th Driest	Driest since: 1994	1966
Nov 1991–Oct 1995 48-Month	-0.02	-0.01	-0.01	72nd Wettest	Wettest since: 1990	1976
Nov 1990–Oct 1995 60-Month	-0.19	-0.01	-0.18	28th Driest	Driest since: 1992	1966
	-0.19	-0.01	-0.18	98th Wettest	Wettest since: 1994	1976
	Ties: 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 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 1

October 1995 Palmer Z-Index Rankings

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