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 1934 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1934 1-Month	-1.21	0.02	-1.23	36th Driest	Driest since: 1931	1963
October 1934 1-Month	-1.21	0.02	-1.23	95th Wettest	Wettest since: 1933	1976
Sep–Oct 1934 2-Month	2.21	0.09	2.12	116th Driest	Driest since: 1933	1930
Sep–Oct 1934 2-Month	2.21	0.09	2.12	15th Wettest	Wettest since: 1917	2011
Aug–Oct 1934 3-Month	1.45	0.10	1.35	107th Driest	Driest since: 1932	1930
Aug–Oct 1934 3-Month	1.45	0.10	1.35	24th Wettest	Wettest since: 1933	2011
Jul–Oct 1934 4-Month	0.86	0.08	0.78	96th Driest	Driest since: 1932	1930
	0.86	0.08	0.78	35th Wettest	Wettest since: 1933	2018
	Ties: 1926
Jun–Oct 1934 5-Month	0.42	0.10	0.32	81st Driest	Driest since: 1932	1930
Jun–Oct 1934 5-Month	0.42	0.10	0.32	50th Wettest	Wettest since: 1933	2018
May–Oct 1934 6-Month	0.03	0.04	-0.01	64th Driest	Driest since: 1932	1991
May–Oct 1934 6-Month	0.03	0.04	-0.01	67th Wettest	Wettest since: 1933	2018
Apr–Oct 1934 7-Month	0.03	0.07	-0.04	60th Driest	Driest since: 1932	1991
Apr–Oct 1934 7-Month	0.03	0.07	-0.04	71st Wettest	Wettest since: 1933	2011
Mar–Oct 1934 8-Month	0.00	0.07	-0.07	60th Driest	Driest since: 1932	1991
Mar–Oct 1934 8-Month	0.00	0.07	-0.07	71st Wettest	Wettest since: 1933	2011
Feb–Oct 1934 9-Month	-0.23	0.07	-0.30	46th Driest	Driest since: 1932	1991
Feb–Oct 1934 9-Month	-0.23	0.07	-0.30	85th Wettest	Wettest since: 1933	2011
Jan–Oct 1934 10-Month	-0.26	0.09	-0.35	39th Driest	Driest since: 1932	1991
Jan–Oct 1934 10-Month	-0.26	0.09	-0.35	92nd Wettest	Wettest since: 1933	2011
Dec 1933–Oct 1934 11-Month	-0.31	0.09	-0.40	37th Driest	Driest since: 1932	1930
Dec 1933–Oct 1934 11-Month	-0.31	0.09	-0.40	93rd Wettest	Wettest since: 1933	2011
Nov 1933–Oct 1934 12-Month	-0.45	0.06	-0.51	32nd Driest	Driest since: 1932	1931
Nov 1933–Oct 1934 12-Month	-0.45	0.06	-0.51	98th Wettest	Wettest since: 1933	2011
May 1933–Oct 1934 18-Month	0.33	0.05	0.28	87th Driest	Driest since: 1932	1931
May 1933–Oct 1934 18-Month	0.33	0.05	0.28	43rd Wettest	Wettest since: 1933	2019
Nov 1932–Oct 1934 24-Month	0.38	0.05	0.33	94th Driest	Driest since: 1933	1931
	0.38	0.05	0.33	35th Wettest	Wettest since: 1928	2019
	Ties: 1908
Nov 1931–Oct 1934 36-Month	-0.06	0.05	-0.11	46th Driest	Driest since: 1933	1932
Nov 1931–Oct 1934 36-Month	-0.06	0.05	-0.11	82nd Wettest	Wettest since: 1929	2019
Nov 1930–Oct 1934 48-Month	-0.40	0.05	-0.45	12th Driest	Driest since: 1933	1966
Nov 1930–Oct 1934 48-Month	-0.40	0.05	-0.45	115th Wettest	Wettest since: 1930	2006
Nov 1929–Oct 1934 60-Month	-0.58	0.05	-0.63	7th Driest	Driest since: 1932	1966
Nov 1929–Oct 1934 60-Month	-0.58	0.05	-0.63	119th Wettest	Wettest since: 1933	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 1934 Palmer Z-Index Rankings

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