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 1976 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1976 1-Month	-0.99	0.09	-1.08	38th Driest	Driest since: 1971	1955
December 1976 1-Month	-0.99	0.09	-1.08	93rd Wettest	Wettest since: 1975	1996
Nov–Dec 1976 2-Month	-1.72	-0.09	-1.63	16th Driest	Driest since: 1965	1931
	-1.72	-0.09	-1.63	115th Wettest	Wettest since: 1975	1972
	Ties: 1917
Oct–Dec 1976 3-Month	0.91	-0.02	0.93	100th Driest	Driest since: 1975	1930
Oct–Dec 1976 3-Month	0.91	-0.02	0.93	31st Wettest	Wettest since: 1972	1996
Sep–Dec 1976 4-Month	1.03	0.00	1.03	107th Driest	Driest since: 1974	2024
Sep–Dec 1976 4-Month	1.03	0.00	1.03	24th Wettest	Wettest since: 1975	2018
Aug–Dec 1976 5-Month	0.88	0.02	0.86	104th Driest	Driest since: 1974	1930
Aug–Dec 1976 5-Month	0.88	0.02	0.86	27th Wettest	Wettest since: 1975	2011
Jul–Dec 1976 6-Month	0.77	0.01	0.76	102nd Driest	Driest since: 1974	1930
Jul–Dec 1976 6-Month	0.77	0.01	0.76	29th Wettest	Wettest since: 1975	2018
Jun–Dec 1976 7-Month	0.72	0.02	0.70	103rd Driest	Driest since: 1974	1930
Jun–Dec 1976 7-Month	0.72	0.02	0.70	28th Wettest	Wettest since: 1975	2018
May–Dec 1976 8-Month	0.69	-0.02	0.71	106th Driest	Driest since: 1974	1964
	0.69	-0.02	0.71	25th Wettest	Wettest since: 1975	2018
	Ties: 1904
Apr–Dec 1976 9-Month	0.44	-0.01	0.45	93rd Driest	Driest since: 1974	1930
Apr–Dec 1976 9-Month	0.44	-0.01	0.45	38th Wettest	Wettest since: 1975	2018
Mar–Dec 1976 10-Month	0.24	0.00	0.24	82nd Driest	Driest since: 1971	1930
Mar–Dec 1976 10-Month	0.24	0.00	0.24	49th Wettest	Wettest since: 1975	2011
Feb–Dec 1976 11-Month	0.18	0.02	0.16	77th Driest	Driest since: 1970	1930
	0.18	0.02	0.16	54th Wettest	Wettest since: 1975	2018
	Ties: 1955
Jan–Dec 1976 12-Month	0.40	0.03	0.37	93rd Driest	Driest since: 1974	1930
	0.40	0.03	0.37	38th Wettest	Wettest since: 1975	2018
	Ties: 1927
Jul 1975–Dec 1976 18-Month	0.70	0.02	0.68	116th Driest	Driest since: 1974	1965
Jul 1975–Dec 1976 18-Month	0.70	0.02	0.68	14th Wettest	Wettest since: 1975	2019
Jan 1975–Dec 1976 24-Month	0.81	0.03	0.78	122nd Driest	Driest since: 1975	1931
	0.81	0.03	0.78	8th Wettest	Wettest since: 1973	2019
	Ties: 1973
Jan 1974–Dec 1976 36-Month	0.63	0.03	0.60	117th Driest	Driest since: 1974	1965
Jan 1974–Dec 1976 36-Month	0.63	0.03	0.60	12th Wettest	Wettest since: 1975	2020
Jan 1973–Dec 1976 48-Month	0.58	0.03	0.55	118th Driest	Driest since: 1974	1966
Jan 1973–Dec 1976 48-Month	0.58	0.03	0.55	10th Wettest	Wettest since: 1975	2021
Jan 1972–Dec 1976 60-Month	0.70	0.03	0.67	126th Driest	Driest since: 1975	1966
Jan 1972–Dec 1976 60-Month	0.70	0.03	0.67	1st Wettest	Wettest to Date	1976, 1979, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 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 1976 Palmer Z-Index Rankings

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