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 1

October 1954 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1954 1-Month	-1.55	0.09	-1.64	25th Driest	Driest since: 1949	1963
October 1954 1-Month	-1.55	0.09	-1.64	106th Wettest	Wettest since: 1953	2005
Sep–Oct 1954 2-Month	-0.89	0.07	-0.96	34th Driest	Driest since: 1950	1964
Sep–Oct 1954 2-Month	-0.89	0.07	-0.96	97th Wettest	Wettest since: 1953	2011
Aug–Oct 1954 3-Month	-0.28	0.04	-0.32	53rd Driest	Driest since: 1953	1964
Aug–Oct 1954 3-Month	-0.28	0.04	-0.32	78th Wettest	Wettest since: 1952	2011
Jul–Oct 1954 4-Month	-0.86	0.01	-0.87	25th Driest	Driest since: 1953	1964
Jul–Oct 1954 4-Month	-0.86	0.01	-0.87	106th Wettest	Wettest since: 1952	2011
Jun–Oct 1954 5-Month	-1.14	0.03	-1.17	16th Driest	Driest since: 1953	1964
Jun–Oct 1954 5-Month	-1.14	0.03	-1.17	115th Wettest	Wettest since: 1952	2011
May–Oct 1954 6-Month	-0.86	-0.02	-0.84	23rd Driest	Driest since: 1953	1964
May–Oct 1954 6-Month	-0.86	-0.02	-0.84	108th Wettest	Wettest since: 1952	2011
Apr–Oct 1954 7-Month	-0.71	-0.02	-0.69	27th Driest	Driest since: 1953	1964
	-0.71	-0.02	-0.69	104th Wettest	Wettest since: 1953	2011
	Ties: 1953
Mar–Oct 1954 8-Month	-0.60	-0.01	-0.59	24th Driest	Driest since: 1949	1964
Mar–Oct 1954 8-Month	-0.60	-0.01	-0.59	107th Wettest	Wettest since: 1953	2011
Feb–Oct 1954 9-Month	-0.56	0.00	-0.56	25th Driest	Driest since: 1949	1964
Feb–Oct 1954 9-Month	-0.56	0.00	-0.56	106th Wettest	Wettest since: 1953	2011
Jan–Oct 1954 10-Month	-0.62	0.01	-0.63	22nd Driest	Driest since: 1949	1991
	-0.62	0.01	-0.63	109th Wettest	Wettest since: 1953	2011
	Ties: 1910
Dec 1953–Oct 1954 11-Month	-0.46	0.01	-0.47	24th Driest	Driest since: 1949	1964, 1980
Dec 1953–Oct 1954 11-Month	-0.46	0.01	-0.47	106th Wettest	Wettest since: 1953	2011
Nov 1953–Oct 1954 12-Month	-0.56	-0.01	-0.55	22nd Driest	Driest since: 1944	1965
Nov 1953–Oct 1954 12-Month	-0.56	-0.01	-0.55	108th Wettest	Wettest since: 1953	2011
May 1953–Oct 1954 18-Month	-0.75	-0.02	-0.73	9th Driest	Driest since: 1931	1965
May 1953–Oct 1954 18-Month	-0.75	-0.02	-0.73	121st Wettest	Wettest since: 1953	2019
Nov 1952–Oct 1954 24-Month	-0.18	-0.02	-0.16	42nd Driest	Driest since: 1950	1965
Nov 1952–Oct 1954 24-Month	-0.18	-0.02	-0.16	87th Wettest	Wettest since: 1953	2019
Nov 1951–Oct 1954 36-Month	0.27	-0.01	0.28	94th Driest	Driest since: 1951	1965
Nov 1951–Oct 1954 36-Month	0.27	-0.01	0.28	34th Wettest	Wettest since: 1953	1975
Nov 1950–Oct 1954 48-Month	0.39	-0.01	0.40	102nd Driest	Driest since: 1952	1966
Nov 1950–Oct 1954 48-Month	0.39	-0.01	0.40	25th Wettest	Wettest since: 1953	1976
Nov 1949–Oct 1954 60-Month	0.31	-0.01	0.32	100th Driest	Driest since: 1952	1966
Nov 1949–Oct 1954 60-Month	0.31	-0.01	0.32	26th Wettest	Wettest since: 1953	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 1

October 1954 Palmer Z-Index Rankings

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