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 5

October 1969 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1969 1-Month	-0.98	0.02	-1.00	44th Driest	Driest since: 1966	1963
October 1969 1-Month	-0.98	0.02	-1.00	87th Wettest	Wettest since: 1968	1976
Sep–Oct 1969 2-Month	-1.13	0.09	-1.22	28th Driest	Driest since: 1964	1930
Sep–Oct 1969 2-Month	-1.13	0.09	-1.22	103rd Wettest	Wettest since: 1968	2011
Aug–Oct 1969 3-Month	-0.67	0.10	-0.77	39th Driest	Driest since: 1966	1930
Aug–Oct 1969 3-Month	-0.67	0.10	-0.77	92nd Wettest	Wettest since: 1968	2011
Jul–Oct 1969 4-Month	0.23	0.08	0.15	71st Driest	Driest since: 1968	1930
Jul–Oct 1969 4-Month	0.23	0.08	0.15	60th Wettest	Wettest since: 1967	2018
Jun–Oct 1969 5-Month	0.18	0.10	0.08	68th Driest	Driest since: 1968	1930
Jun–Oct 1969 5-Month	0.18	0.10	0.08	63rd Wettest	Wettest since: 1967	2018
May–Oct 1969 6-Month	-0.11	0.04	-0.15	61st Driest	Driest since: 1968	1991
May–Oct 1969 6-Month	-0.11	0.04	-0.15	70th Wettest	Wettest since: 1967	2018
Apr–Oct 1969 7-Month	-0.20	0.07	-0.27	47th Driest	Driest since: 1968	1991
Apr–Oct 1969 7-Month	-0.20	0.07	-0.27	84th Wettest	Wettest since: 1967	2011
Mar–Oct 1969 8-Month	-0.44	0.07	-0.51	40th Driest	Driest since: 1968	1991
Mar–Oct 1969 8-Month	-0.44	0.07	-0.51	91st Wettest	Wettest since: 1967	2011
Feb–Oct 1969 9-Month	-0.64	0.07	-0.71	26th Driest	Driest since: 1968	1991
Feb–Oct 1969 9-Month	-0.64	0.07	-0.71	105th Wettest	Wettest since: 1967	2011
Jan–Oct 1969 10-Month	-0.78	0.09	-0.87	18th Driest	Driest since: 1968	1991
Jan–Oct 1969 10-Month	-0.78	0.09	-0.87	113th Wettest	Wettest since: 1968	2011
Dec 1968–Oct 1969 11-Month	-0.75	0.09	-0.84	16th Driest	Driest since: 1966	1930
Dec 1968–Oct 1969 11-Month	-0.75	0.09	-0.84	114th Wettest	Wettest since: 1968	2011
Nov 1968–Oct 1969 12-Month	-0.62	0.06	-0.68	19th Driest	Driest since: 1966	1931
Nov 1968–Oct 1969 12-Month	-0.62	0.06	-0.68	111th Wettest	Wettest since: 1968	2011
May 1968–Oct 1969 18-Month	-0.46	0.05	-0.51	23rd Driest	Driest since: 1966	1931
May 1968–Oct 1969 18-Month	-0.46	0.05	-0.51	107th Wettest	Wettest since: 1968	2019
Nov 1967–Oct 1969 24-Month	-0.61	0.05	-0.66	10th Driest	Driest since: 1966	1931
Nov 1967–Oct 1969 24-Month	-0.61	0.05	-0.66	119th Wettest	Wettest since: 1968	2019
Nov 1966–Oct 1969 36-Month	-0.32	0.05	-0.37	16th Driest	Driest since: 1968	1932
Nov 1966–Oct 1969 36-Month	-0.32	0.05	-0.37	112th Wettest	Wettest since: 1962	2019
Nov 1965–Oct 1969 48-Month	-0.54	0.05	-0.59	8th Driest	Driest since: 1968	1966
	-0.54	0.05	-0.59	119th Wettest	Wettest since: 1963	2006
	Ties: 1931
Nov 1964–Oct 1969 60-Month	-0.67	0.05	-0.72	5th Driest	Driest since: 1968	1966
Nov 1964–Oct 1969 60-Month	-0.67	0.05	-0.72	121st Wettest	Wettest since: 1964	1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 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 5

October 1969 Palmer Z-Index Rankings

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