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 4

January 1897 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1897 1-Month	-1.69	0.23	-1.92	13th Driest	Driest since: 1896	1981
January 1897 1-Month	-1.69	0.23	-1.92	119th Wettest	Wettest since: 1895	1979
Dec 1896–Jan 1897 2-Month	-2.36	0.12	-2.48	4th Driest	Driest to Date	2002
Dec 1896–Jan 1897 2-Month	-2.36	0.12	-2.48	127th Wettest	Wettest since: 1896	1978
Nov 1896–Jan 1897 3-Month	-2.01	0.01	-2.02	8th Driest	Driest to Date	2002
Nov 1896–Jan 1897 3-Month	-2.01	0.01	-2.02	123rd Wettest	Wettest since: 1896	2019
Oct 1896–Jan 1897 4-Month	-1.70	0.00	-1.70	12th Driest	Driest since: 1896	2002
Oct 1896–Jan 1897 4-Month	-1.70	0.00	-1.70	119th Wettest	Wettest to Date	2019
Sep 1896–Jan 1897 5-Month	-1.51	0.03	-1.54	15th Driest	Driest since: 1896	1931
Sep 1896–Jan 1897 5-Month	-1.51	0.03	-1.54	116th Wettest	Wettest to Date	2019
Aug 1896–Jan 1897 6-Month	-1.71	0.06	-1.77	6th Driest	Driest since: 1896	1931
Aug 1896–Jan 1897 6-Month	-1.71	0.06	-1.77	125th Wettest	Wettest to Date	2019
Jul 1896–Jan 1897 7-Month	-1.31	0.08	-1.39	14th Driest	Driest since: 1896	1931
Jul 1896–Jan 1897 7-Month	-1.31	0.08	-1.39	117th Wettest	Wettest to Date	2019
Jun 1896–Jan 1897 8-Month	-1.08	0.09	-1.17	18th Driest	Driest since: 1896	1931
Jun 1896–Jan 1897 8-Month	-1.08	0.09	-1.17	113th Wettest	Wettest to Date	2019
May 1896–Jan 1897 9-Month	-1.24	0.05	-1.29	10th Driest	Driest since: 1896	1931
May 1896–Jan 1897 9-Month	-1.24	0.05	-1.29	121st Wettest	Wettest to Date	2019
Apr 1896–Jan 1897 10-Month	-1.39	0.04	-1.43	6th Driest	Driest since: 1896	1931
Apr 1896–Jan 1897 10-Month	-1.39	0.04	-1.43	125th Wettest	Wettest to Date	2019
Mar 1896–Jan 1897 11-Month	-1.10	0.04	-1.14	13th Driest	Driest since: 1896	1931
Mar 1896–Jan 1897 11-Month	-1.10	0.04	-1.14	118th Wettest	Wettest to Date	2019
Feb 1896–Jan 1897 12-Month	-0.76	0.05	-0.81	19th Driest	Driest since: 1896	1931
Feb 1896–Jan 1897 12-Month	-0.76	0.05	-0.81	112th Wettest	Wettest to Date	2019
Aug 1895–Jan 1897 18-Month	-1.13	0.05	-1.18	5th Driest	Driest to Date	1932
Aug 1895–Jan 1897 18-Month	-1.13	0.05	-1.18	125th Wettest	Wettest to Date	2019
Feb 1895–Jan 1897 24-Month	-1.08	0.05	-1.13	3rd Driest	Driest to Date	1932
Feb 1895–Jan 1897 24-Month	-1.08	0.05	-1.13	127th Wettest	Wettest to Date	2020

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 4

January 1897 Palmer Z-Index Rankings

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