Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

Parameter:

Year:

Month:

State:

Division:

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 1974 Palmer Z-Index Rankings

View Period (Months):

All

Download:

CSV JSON XML

Record Driest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1974 1-Month	-1.51	0.09	-1.60	26th Driest	Driest since: 1964	1963
October 1974 1-Month	-1.51	0.09	-1.60	105th Wettest	Wettest since: 1973	2005
Sep–Oct 1974 2-Month	0.66	0.07	0.59	82nd Driest	Driest since: 1973	1964
	0.66	0.07	0.59	49th Wettest	Wettest since: 1962	2011
	Ties: 1905, 1962
Aug–Oct 1974 3-Month	0.96	0.04	0.92	97th Driest	Driest since: 1973	1964
Aug–Oct 1974 3-Month	0.96	0.04	0.92	34th Wettest	Wettest since: 1960	2011
Jul–Oct 1974 4-Month	0.77	0.01	0.76	94th Driest	Driest since: 1973	1964
	0.77	0.01	0.76	37th Wettest	Wettest since: 1960	2011
	Ties: 1934
Jun–Oct 1974 5-Month	0.71	0.03	0.68	95th Driest	Driest since: 1973	1964
Jun–Oct 1974 5-Month	0.71	0.03	0.68	36th Wettest	Wettest since: 1960	2011
May–Oct 1974 6-Month	0.57	-0.02	0.59	94th Driest	Driest since: 1972	1964
	0.57	-0.02	0.59	37th Wettest	Wettest since: 1973	2011
	Ties: 1915
Apr–Oct 1974 7-Month	0.26	-0.02	0.28	78th Driest	Driest since: 1971	1964
Apr–Oct 1974 7-Month	0.26	-0.02	0.28	53rd Wettest	Wettest since: 1973	2011
Mar–Oct 1974 8-Month	0.51	-0.01	0.52	95th Driest	Driest since: 1971	1964
Mar–Oct 1974 8-Month	0.51	-0.01	0.52	36th Wettest	Wettest since: 1973	2011
Feb–Oct 1974 9-Month	0.37	0.00	0.37	91st Driest	Driest since: 1971	1964
Feb–Oct 1974 9-Month	0.37	0.00	0.37	40th Wettest	Wettest since: 1973	2011
Jan–Oct 1974 10-Month	0.41	0.01	0.40	93rd Driest	Driest since: 1971	1991
Jan–Oct 1974 10-Month	0.41	0.01	0.40	38th Wettest	Wettest since: 1973	2011
Dec 1973–Oct 1974 11-Month	0.85	0.01	0.84	113th Driest	Driest since: 1973	1964, 1980
Dec 1973–Oct 1974 11-Month	0.85	0.01	0.84	17th Wettest	Wettest since: 1958	2011
Nov 1973–Oct 1974 12-Month	0.64	-0.01	0.65	104th Driest	Driest since: 1972	1965
Nov 1973–Oct 1974 12-Month	0.64	-0.01	0.65	26th Wettest	Wettest since: 1973	2011
May 1973–Oct 1974 18-Month	0.71	-0.02	0.73	112th Driest	Driest since: 1972	1965
	0.71	-0.02	0.73	18th Wettest	Wettest since: 1973	2019
	Ties: 1904, 1952
Nov 1972–Oct 1974 24-Month	0.87	-0.02	0.89	121st Driest	Driest since: 1973	1965
Nov 1972–Oct 1974 24-Month	0.87	-0.02	0.89	8th Wettest	Wettest since: 1952	2019
Nov 1971–Oct 1974 36-Month	0.77	-0.01	0.78	120th Driest	Driest since: 1973	1965
Nov 1971–Oct 1974 36-Month	0.77	-0.01	0.78	8th Wettest	Wettest since: 1904	1975
Nov 1970–Oct 1974 48-Month	0.60	-0.01	0.61	120th Driest	Driest since: 1973	1966
Nov 1970–Oct 1974 48-Month	0.60	-0.01	0.61	7th Wettest	Wettest to Date	1976
Nov 1969–Oct 1974 60-Month	0.44	-0.01	0.45	111th Driest	Driest since: 1973	1966
	0.44	-0.01	0.45	15th Wettest	Wettest since: 1955	1976
	Ties: 1955

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 1974 Palmer Z-Index Rankings

Citing This Page

Success

Error