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

November 2016 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 2016 1-Month	-2.34	-0.22	-2.12	14th Driest	Driest since: 1998	1931
November 2016 1-Month	-2.34	-0.22	-2.12	117th Wettest	Wettest since: 2015	1972
Oct–Nov 2016 2-Month	0.38	-0.09	0.47	81st Driest	Driest since: 2015	1964
Oct–Nov 2016 2-Month	0.38	-0.09	0.47	50th Wettest	Wettest since: 2011	1927
Sep–Nov 2016 3-Month	-0.46	-0.03	-0.43	44th Driest	Driest since: 2015	1964
Sep–Nov 2016 3-Month	-0.46	-0.03	-0.43	87th Wettest	Wettest since: 2013	2011
Aug–Nov 2016 4-Month	-0.30	0.01	-0.31	42nd Driest	Driest since: 2015	1964
Aug–Nov 2016 4-Month	-0.30	0.01	-0.31	89th Wettest	Wettest since: 2013	2018
Jul–Nov 2016 5-Month	-0.55	0.03	-0.58	34th Driest	Driest since: 2000	1964
Jul–Nov 2016 5-Month	-0.55	0.03	-0.58	97th Wettest	Wettest since: 2015	2018
Jun–Nov 2016 6-Month	-0.73	0.05	-0.78	31st Driest	Driest since: 1998	1964
Jun–Nov 2016 6-Month	-0.73	0.05	-0.78	100th Wettest	Wettest since: 2015	2018
May–Nov 2016 7-Month	-0.81	0.02	-0.83	26th Driest	Driest since: 1991	1964
May–Nov 2016 7-Month	-0.81	0.02	-0.83	105th Wettest	Wettest since: 2015	2018
Apr–Nov 2016 8-Month	-0.80	0.04	-0.84	21st Driest	Driest since: 1991	1964
Apr–Nov 2016 8-Month	-0.80	0.04	-0.84	110th Wettest	Wettest since: 2015	2018
Mar–Nov 2016 9-Month	-1.05	0.03	-1.08	15th Driest	Driest since: 1991	1991
Mar–Nov 2016 9-Month	-1.05	0.03	-1.08	116th Wettest	Wettest since: 2015	2011
Feb–Nov 2016 10-Month	-0.64	0.02	-0.66	21st Driest	Driest since: 1991	1991
Feb–Nov 2016 10-Month	-0.64	0.02	-0.66	110th Wettest	Wettest since: 2015	2011
Jan–Nov 2016 11-Month	-0.66	0.04	-0.70	20th Driest	Driest since: 1991	1991
Jan–Nov 2016 11-Month	-0.66	0.04	-0.70	111th Wettest	Wettest since: 2015	2011, 2018
Dec 2015–Nov 2016 12-Month	-0.60	0.03	-0.63	19th Driest	Driest since: 1991	1964
	-0.60	0.03	-0.63	111th Wettest	Wettest since: 2015	2011
	Ties: 1957
Jun 2015–Nov 2016 18-Month	-0.34	0.03	-0.37	29th Driest	Driest since: 1999	1965
	-0.34	0.03	-0.37	101st Wettest	Wettest since: 2015	2019
	Ties: 1896
Dec 2014–Nov 2016 24-Month	-0.43	0.03	-0.46	22nd Driest	Driest since: 1991	1964
Dec 2014–Nov 2016 24-Month	-0.43	0.03	-0.46	107th Wettest	Wettest since: 2015	2019
Dec 2013–Nov 2016 36-Month	-0.30	0.03	-0.33	18th Driest	Driest since: 1991	1965
	-0.30	0.03	-0.33	110th Wettest	Wettest since: 2015	2019
	Ties: 1954, 1991
Dec 2012–Nov 2016 48-Month	-0.15	0.03	-0.18	34th Driest	Driest since: 1991	1966
	-0.15	0.03	-0.18	93rd Wettest	Wettest since: 2015	2006
	Ties: 1990
Dec 2011–Nov 2016 60-Month	-0.15	0.03	-0.18	33rd Driest	Driest since: 1992	1966
Dec 2011–Nov 2016 60-Month	-0.15	0.03	-0.18	93rd Wettest	Wettest since: 2015	2021

Citing This Page

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

November 2016 Palmer Z-Index Rankings

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