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 1944 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1944 1-Month	-0.14	0.09	-0.23	64th Driest	Driest since: 1943	1955
December 1944 1-Month	-0.14	0.09	-0.23	67th Wettest	Wettest since: 1942	1996
Nov–Dec 1944 2-Month	-0.22	-0.09	-0.13	59th Driest	Driest since: 1943	1931
Nov–Dec 1944 2-Month	-0.22	-0.09	-0.13	72nd Wettest	Wettest since: 1942	1972
Oct–Dec 1944 3-Month	-0.61	-0.02	-0.59	39th Driest	Driest since: 1941	1930
Oct–Dec 1944 3-Month	-0.61	-0.02	-0.59	92nd Wettest	Wettest since: 1943	1996
Sep–Dec 1944 4-Month	-0.34	0.00	-0.34	42nd Driest	Driest since: 1941	2024
Sep–Dec 1944 4-Month	-0.34	0.00	-0.34	89th Wettest	Wettest since: 1943	2018
Aug–Dec 1944 5-Month	-0.88	0.02	-0.90	26th Driest	Driest since: 1941	1930
Aug–Dec 1944 5-Month	-0.88	0.02	-0.90	105th Wettest	Wettest since: 1943	2011
Jul–Dec 1944 6-Month	-1.12	0.01	-1.13	16th Driest	Driest since: 1941	1930
Jul–Dec 1944 6-Month	-1.12	0.01	-1.13	115th Wettest	Wettest since: 1943	2018
Jun–Dec 1944 7-Month	-0.87	0.02	-0.89	23rd Driest	Driest since: 1941	1930
Jun–Dec 1944 7-Month	-0.87	0.02	-0.89	108th Wettest	Wettest since: 1943	2018
May–Dec 1944 8-Month	-1.04	-0.02	-1.02	18th Driest	Driest since: 1941	1964
May–Dec 1944 8-Month	-1.04	-0.02	-1.02	113th Wettest	Wettest since: 1943	2018
Apr–Dec 1944 9-Month	-0.82	-0.01	-0.81	21st Driest	Driest since: 1941	1930
Apr–Dec 1944 9-Month	-0.82	-0.01	-0.81	110th Wettest	Wettest since: 1943	2018
Mar–Dec 1944 10-Month	-0.55	0.00	-0.55	27th Driest	Driest since: 1941	1930
Mar–Dec 1944 10-Month	-0.55	0.00	-0.55	104th Wettest	Wettest since: 1943	2011
Feb–Dec 1944 11-Month	-0.60	0.02	-0.62	23rd Driest	Driest since: 1941	1930
Feb–Dec 1944 11-Month	-0.60	0.02	-0.62	108th Wettest	Wettest since: 1943	2018
Jan–Dec 1944 12-Month	-0.61	0.03	-0.64	20th Driest	Driest since: 1941	1930
Jan–Dec 1944 12-Month	-0.61	0.03	-0.64	111th Wettest	Wettest since: 1943	2018
Jul 1943–Dec 1944 18-Month	-0.56	0.02	-0.58	18th Driest	Driest since: 1941	1965
Jul 1943–Dec 1944 18-Month	-0.56	0.02	-0.58	112th Wettest	Wettest since: 1943	2019
Jan 1943–Dec 1944 24-Month	-0.50	0.03	-0.53	12th Driest	Driest since: 1932	1931
Jan 1943–Dec 1944 24-Month	-0.50	0.03	-0.53	118th Wettest	Wettest since: 1943	2019
Jan 1942–Dec 1944 36-Month	-0.02	0.03	-0.05	54th Driest	Driest since: 1943	1965
Jan 1942–Dec 1944 36-Month	-0.02	0.03	-0.05	75th Wettest	Wettest since: 1942	2020
Jan 1941–Dec 1944 48-Month	-0.35	0.03	-0.38	11th Driest	Driest since: 1933	1966
Jan 1941–Dec 1944 48-Month	-0.35	0.03	-0.38	117th Wettest	Wettest since: 1943	2021
Jan 1940–Dec 1944 60-Month	-0.17	0.03	-0.20	22nd Driest	Driest since: 1943	1966
Jan 1940–Dec 1944 60-Month	-0.17	0.03	-0.20	105th Wettest	Wettest since: 1942	1976, 1979, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 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 1944 Palmer Z-Index Rankings

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