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 6

December 1997 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
December 1997 1-Month	0.31	-0.08	0.39	74th Driest	Driest since: 1995	1930
December 1997 1-Month	0.31	-0.08	0.39	57th Wettest	Wettest since: 1996	1901
Nov–Dec 1997 2-Month	1.11	-0.15	1.26	104th Driest	Driest since: 1995	1930
	1.11	-0.15	1.26	27th Wettest	Wettest since: 1996	1972
	Ties: 1926, 1993
Oct–Dec 1997 3-Month	0.09	-0.09	0.18	62nd Driest	Driest since: 1994	1930
	0.09	-0.09	0.18	69th Wettest	Wettest since: 1996	1996
	Ties: 1902
Sep–Dec 1997 4-Month	0.14	-0.04	0.18	67th Driest	Driest since: 1994	1964
Sep–Dec 1997 4-Month	0.14	-0.04	0.18	64th Wettest	Wettest since: 1996	2011
Aug–Dec 1997 5-Month	0.34	-0.01	0.35	75th Driest	Driest since: 1991	1964
	0.34	-0.01	0.35	56th Wettest	Wettest since: 1996	2018
	Ties: 1934
Jul–Dec 1997 6-Month	0.03	0.01	0.02	60th Driest	Driest since: 1991	1964
Jul–Dec 1997 6-Month	0.03	0.01	0.02	71st Wettest	Wettest since: 1996	2018
Jun–Dec 1997 7-Month	-0.09	0.03	-0.12	48th Driest	Driest since: 1995	1964
	-0.09	0.03	-0.12	83rd Wettest	Wettest since: 1996	2018
	Ties: 1968
May–Dec 1997 8-Month	-0.13	0.01	-0.14	49th Driest	Driest since: 1995	1964
May–Dec 1997 8-Month	-0.13	0.01	-0.14	82nd Wettest	Wettest since: 1996	2018
Apr–Dec 1997 9-Month	-0.34	0.03	-0.37	39th Driest	Driest since: 1995	1964
	-0.34	0.03	-0.37	92nd Wettest	Wettest since: 1996	2018
	Ties: 1934, 1995
Mar–Dec 1997 10-Month	-0.27	0.02	-0.29	39th Driest	Driest since: 1995	1964
	-0.27	0.02	-0.29	92nd Wettest	Wettest since: 1996	2011
	Ties: 1934
Feb–Dec 1997 11-Month	-0.32	0.01	-0.33	34th Driest	Driest since: 1995	1964
	-0.32	0.01	-0.33	97th Wettest	Wettest since: 1996	2011
	Ties: 1936, 1987
Jan–Dec 1997 12-Month	-0.39	0.03	-0.42	31st Driest	Driest since: 1995	1991
Jan–Dec 1997 12-Month	-0.39	0.03	-0.42	100th Wettest	Wettest since: 1996	2011, 2018
Jul 1996–Dec 1997 18-Month	0.43	0.02	0.41	89th Driest	Driest since: 1995	1965
Jul 1996–Dec 1997 18-Month	0.43	0.02	0.41	41st Wettest	Wettest since: 1996	2019
Jan 1996–Dec 1997 24-Month	0.65	0.03	0.62	112th Driest	Driest since: 1996	1964
Jan 1996–Dec 1997 24-Month	0.65	0.03	0.62	18th Wettest	Wettest since: 1994	2019
Jan 1995–Dec 1997 36-Month	0.27	0.03	0.24	79th Driest	Driest since: 1993	1965
Jan 1995–Dec 1997 36-Month	0.27	0.03	0.24	50th Wettest	Wettest since: 1996	2019
Jan 1994–Dec 1997 48-Month	0.54	0.03	0.51	105th Driest	Driest since: 1995	1966
Jan 1994–Dec 1997 48-Month	0.54	0.03	0.51	23rd Wettest	Wettest since: 1996	2006
Jan 1993–Dec 1997 60-Month	0.52	0.03	0.49	105th Driest	Driest since: 1995	1966
Jan 1993–Dec 1997 60-Month	0.52	0.03	0.49	22nd Wettest	Wettest since: 1996	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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

December 1997 Palmer Z-Index Rankings

Citing This Page

Success

Error