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 6

December 1952 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1952 1-Month	1.65	-0.08	1.73	109th Driest	Driest since: 1949	1930
December 1952 1-Month	1.65	-0.08	1.73	22nd Wettest	Wettest since: 1951	1901
Nov–Dec 1952 2-Month	0.81	-0.15	0.96	95th Driest	Driest since: 1949	1930
Nov–Dec 1952 2-Month	0.81	-0.15	0.96	36th Wettest	Wettest since: 1951	1972
Oct–Dec 1952 3-Month	-0.03	-0.09	0.06	59th Driest	Driest since: 1949	1930
Oct–Dec 1952 3-Month	-0.03	-0.09	0.06	72nd Wettest	Wettest since: 1951	1996
Sep–Dec 1952 4-Month	-0.22	-0.04	-0.18	50th Driest	Driest since: 1949	1964
Sep–Dec 1952 4-Month	-0.22	-0.04	-0.18	81st Wettest	Wettest since: 1951	2011
Aug–Dec 1952 5-Month	-0.22	-0.01	-0.21	47th Driest	Driest since: 1951	1964
Aug–Dec 1952 5-Month	-0.22	-0.01	-0.21	84th Wettest	Wettest since: 1950	2018
Jul–Dec 1952 6-Month	-0.01	0.01	-0.02	56th Driest	Driest since: 1951	1964
Jul–Dec 1952 6-Month	-0.01	0.01	-0.02	75th Wettest	Wettest since: 1950	2018
Jun–Dec 1952 7-Month	-0.50	0.03	-0.53	34th Driest	Driest since: 1949	1964
Jun–Dec 1952 7-Month	-0.50	0.03	-0.53	97th Wettest	Wettest since: 1951	2018
May–Dec 1952 8-Month	-0.15	0.01	-0.16	46th Driest	Driest since: 1951	1964
May–Dec 1952 8-Month	-0.15	0.01	-0.16	85th Wettest	Wettest since: 1950	2018
Apr–Dec 1952 9-Month	-0.01	0.03	-0.04	53rd Driest	Driest since: 1951	1964
Apr–Dec 1952 9-Month	-0.01	0.03	-0.04	78th Wettest	Wettest since: 1950	2018
Mar–Dec 1952 10-Month	0.12	0.02	0.10	65th Driest	Driest since: 1951	1964
Mar–Dec 1952 10-Month	0.12	0.02	0.10	66th Wettest	Wettest since: 1950	2011
Feb–Dec 1952 11-Month	0.06	0.01	0.05	63rd Driest	Driest since: 1951	1964
	0.06	0.01	0.05	68th Wettest	Wettest since: 1950	2011
	Ties: 1938
Jan–Dec 1952 12-Month	0.15	0.03	0.12	66th Driest	Driest since: 1951	1991
Jan–Dec 1952 12-Month	0.15	0.03	0.12	65th Wettest	Wettest since: 1950	2011, 2018
Jul 1951–Dec 1952 18-Month	-0.01	0.02	-0.03	47th Driest	Driest since: 1949	1965
Jul 1951–Dec 1952 18-Month	-0.01	0.02	-0.03	83rd Wettest	Wettest since: 1951	2019
Jan 1951–Dec 1952 24-Month	0.08	0.03	0.05	62nd Driest	Driest since: 1949	1964
	0.08	0.03	0.05	68th Wettest	Wettest since: 1951	2019
	Ties: 1906
Jan 1950–Dec 1952 36-Month	0.45	0.03	0.42	101st Driest	Driest since: 1951	1965
Jan 1950–Dec 1952 36-Month	0.45	0.03	0.42	28th Wettest	Wettest since: 1947	2019
Jan 1949–Dec 1952 48-Month	0.09	0.03	0.06	60th Driest	Driest since: 1949	1966
	0.09	0.03	0.06	68th Wettest	Wettest since: 1951	2006
	Ties: 1921
Jan 1948–Dec 1952 60-Month	0.15	0.03	0.12	69th Driest	Driest since: 1945	1966
Jan 1948–Dec 1952 60-Month	0.15	0.03	0.12	58th Wettest	Wettest since: 1951	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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 6

December 1952 Palmer Z-Index Rankings

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