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 4

November 1968 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 1968 1-Month	0.36	-0.21	0.57	83rd Driest	Driest since: 1967	1930
November 1968 1-Month	0.36	-0.21	0.57	48th Wettest	Wettest since: 1963	2018
Oct–Nov 1968 2-Month	-0.24	-0.12	-0.12	64th Driest	Driest since: 1965	1930
Oct–Nov 1968 2-Month	-0.24	-0.12	-0.12	67th Wettest	Wettest since: 1967	1932
Sep–Nov 1968 3-Month	0.16	-0.02	0.18	71st Driest	Driest since: 1967	1930
Sep–Nov 1968 3-Month	0.16	-0.02	0.18	60th Wettest	Wettest since: 1966	2018
Aug–Nov 1968 4-Month	-0.25	0.03	-0.28	53rd Driest	Driest since: 1965	1930
Aug–Nov 1968 4-Month	-0.25	0.03	-0.28	78th Wettest	Wettest since: 1967	2018
Jul–Nov 1968 5-Month	-0.62	0.07	-0.69	38th Driest	Driest since: 1966	1930
Jul–Nov 1968 5-Month	-0.62	0.07	-0.69	93rd Wettest	Wettest since: 1967	2018
Jun–Nov 1968 6-Month	-0.53	0.09	-0.62	40th Driest	Driest since: 1966	1930
Jun–Nov 1968 6-Month	-0.53	0.09	-0.62	91st Wettest	Wettest since: 1967	2018
May–Nov 1968 7-Month	-0.08	0.04	-0.12	58th Driest	Driest since: 1966	1930
May–Nov 1968 7-Month	-0.08	0.04	-0.12	73rd Wettest	Wettest since: 1967	2018
Apr–Nov 1968 8-Month	-0.35	0.04	-0.39	44th Driest	Driest since: 1966	1930
Apr–Nov 1968 8-Month	-0.35	0.04	-0.39	87th Wettest	Wettest since: 1967	2018
Mar–Nov 1968 9-Month	-0.31	0.03	-0.34	51st Driest	Driest since: 1966	1930
Mar–Nov 1968 9-Month	-0.31	0.03	-0.34	80th Wettest	Wettest since: 1967	2018
Feb–Nov 1968 10-Month	-0.55	0.04	-0.59	32nd Driest	Driest since: 1966	1930
Feb–Nov 1968 10-Month	-0.55	0.04	-0.59	99th Wettest	Wettest since: 1967	2018
Jan–Nov 1968 11-Month	-0.56	0.06	-0.62	28th Driest	Driest since: 1966	1930
	-0.56	0.06	-0.62	103rd Wettest	Wettest since: 1967	2018
	Ties: 1896
Dec 1967–Nov 1968 12-Month	-0.35	0.05	-0.40	39th Driest	Driest since: 1966	1930
	-0.35	0.05	-0.40	91st Wettest	Wettest since: 1967	2018
	Ties: 1914
Jun 1967–Nov 1968 18-Month	-0.07	0.06	-0.13	53rd Driest	Driest since: 1967	1931
Jun 1967–Nov 1968 18-Month	-0.07	0.06	-0.13	77th Wettest	Wettest since: 1961	2019
Dec 1966–Nov 1968 24-Month	-0.07	0.05	-0.12	53rd Driest	Driest since: 1967	1931
Dec 1966–Nov 1968 24-Month	-0.07	0.05	-0.12	76th Wettest	Wettest since: 1961	2019
Dec 1965–Nov 1968 36-Month	-0.42	0.05	-0.47	18th Driest	Driest since: 1967	1966
Dec 1965–Nov 1968 36-Month	-0.42	0.05	-0.47	110th Wettest	Wettest since: 1962	2019
Dec 1964–Nov 1968 48-Month	-0.57	0.05	-0.62	8th Driest	Driest since: 1967	1966
Dec 1964–Nov 1968 48-Month	-0.57	0.05	-0.62	119th Wettest	Wettest since: 1963	1996
Dec 1963–Nov 1968 60-Month	-0.62	0.06	-0.68	4th Driest	Driest since: 1967	1966
Dec 1963–Nov 1968 60-Month	-0.62	0.06	-0.68	122nd Wettest	Wettest since: 1964	1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 30, 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 4

November 1968 Palmer Z-Index Rankings

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