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Divisional Rankings

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Pennsylvania, Climate Division 2

December 1969 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1969 1-Month	2.48	0.09	2.39	119th Driest	Driest since: 1968	1955
December 1969 1-Month	2.48	0.09	2.39	12th Wettest	Wettest since: 1957	1996
Nov–Dec 1969 2-Month	1.38	-0.09	1.47	118th Driest	Driest since: 1968	1931
Nov–Dec 1969 2-Month	1.38	-0.09	1.47	13th Wettest	Wettest since: 1952	1972
Oct–Dec 1969 3-Month	0.55	-0.02	0.57	83rd Driest	Driest since: 1968	1930
Oct–Dec 1969 3-Month	0.55	-0.02	0.57	48th Wettest	Wettest since: 1959	1996
Sep–Dec 1969 4-Month	0.32	0.00	0.32	74th Driest	Driest since: 1968	2024
Sep–Dec 1969 4-Month	0.32	0.00	0.32	57th Wettest	Wettest since: 1962	2018
Aug–Dec 1969 5-Month	0.36	0.02	0.34	74th Driest	Driest since: 1968	1930
Aug–Dec 1969 5-Month	0.36	0.02	0.34	57th Wettest	Wettest since: 1962	2011
Jul–Dec 1969 6-Month	1.01	0.01	1.00	110th Driest	Driest since: 1968	1930
Jul–Dec 1969 6-Month	1.01	0.01	1.00	21st Wettest	Wettest since: 1952	2018
Jun–Dec 1969 7-Month	0.90	0.02	0.88	109th Driest	Driest since: 1968	1930
Jun–Dec 1969 7-Month	0.90	0.02	0.88	22nd Wettest	Wettest since: 1951	2018
May–Dec 1969 8-Month	0.59	-0.02	0.61	100th Driest	Driest since: 1968	1964
	0.59	-0.02	0.61	31st Wettest	Wettest since: 1952	2018
	Ties: 1920
Apr–Dec 1969 9-Month	0.50	-0.01	0.51	96th Driest	Driest since: 1968	1930
Apr–Dec 1969 9-Month	0.50	-0.01	0.51	35th Wettest	Wettest since: 1956	2018
Mar–Dec 1969 10-Month	0.33	0.00	0.33	88th Driest	Driest since: 1968	1930
Mar–Dec 1969 10-Month	0.33	0.00	0.33	43rd Wettest	Wettest since: 1956	2011
Feb–Dec 1969 11-Month	0.11	0.02	0.09	72nd Driest	Driest since: 1968	1930
	0.11	0.02	0.09	59th Wettest	Wettest since: 1967	2018
	Ties: 1913, 1934, 1967
Jan–Dec 1969 12-Month	-0.06	0.03	-0.09	52nd Driest	Driest since: 1968	1930
Jan–Dec 1969 12-Month	-0.06	0.03	-0.09	79th Wettest	Wettest since: 1967	2018
Jul 1968–Dec 1969 18-Month	-0.33	0.02	-0.35	30th Driest	Driest since: 1967	1965
	-0.33	0.02	-0.35	100th Wettest	Wettest since: 1968	2019
	Ties: 1967
Jan 1968–Dec 1969 24-Month	-0.33	0.03	-0.36	23rd Driest	Driest since: 1968	1931
	-0.33	0.03	-0.36	107th Wettest	Wettest since: 1968	2019
	Ties: 1955, 1968
Jan 1967–Dec 1969 36-Month	-0.24	0.03	-0.27	23rd Driest	Driest since: 1968	1965
Jan 1967–Dec 1969 36-Month	-0.24	0.03	-0.27	106th Wettest	Wettest since: 1962	2020
Jan 1966–Dec 1969 48-Month	-0.41	0.03	-0.44	9th Driest	Driest since: 1968	1966
Jan 1966–Dec 1969 48-Month	-0.41	0.03	-0.44	119th Wettest	Wettest since: 1963	2021
Jan 1965–Dec 1969 60-Month	-0.59	0.03	-0.62	5th Driest	Driest since: 1968	1966
Jan 1965–Dec 1969 60-Month	-0.59	0.03	-0.62	122nd Wettest	Wettest since: 1964	1976, 1979, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 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 1969 Palmer Z-Index Rankings

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