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 2

January 1987 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
January 1987 1-Month	0.49	0.21	0.28	87th Driest	Driest since: 1985	1970
January 1987 1-Month	0.49	0.21	0.28	45th Wettest	Wettest since: 1986	1979
Dec 1986–Jan 1987 2-Month	0.72	0.14	0.58	92nd Driest	Driest since: 1986	1981
Dec 1986–Jan 1987 2-Month	0.72	0.14	0.58	39th Wettest	Wettest since: 1984	1978
Nov 1986–Jan 1987 3-Month	1.22	0.00	1.22	113th Driest	Driest since: 1986	1981
Nov 1986–Jan 1987 3-Month	1.22	0.00	1.22	18th Wettest	Wettest since: 1984	1978
Oct 1986–Jan 1987 4-Month	0.61	0.03	0.58	94th Driest	Driest since: 1986	2025
Oct 1986–Jan 1987 4-Month	0.61	0.03	0.58	37th Wettest	Wettest since: 1984	1978
Sep 1986–Jan 1987 5-Month	0.32	0.03	0.29	79th Driest	Driest since: 1985	2025
Sep 1986–Jan 1987 5-Month	0.32	0.03	0.29	52nd Wettest	Wettest since: 1986	1978
Aug 1986–Jan 1987 6-Month	0.39	0.04	0.35	78th Driest	Driest since: 1985	1931
Aug 1986–Jan 1987 6-Month	0.39	0.04	0.35	53rd Wettest	Wettest since: 1986	2019
Jul 1986–Jan 1987 7-Month	0.37	0.02	0.35	80th Driest	Driest since: 1985	1931
Jul 1986–Jan 1987 7-Month	0.37	0.02	0.35	51st Wettest	Wettest since: 1986	2019
Jun 1986–Jan 1987 8-Month	0.27	0.03	0.24	76th Driest	Driest since: 1985	1931
	0.27	0.03	0.24	55th Wettest	Wettest since: 1986	2019
	Ties: 1948
May 1986–Jan 1987 9-Month	0.01	-0.01	0.02	61st Driest	Driest since: 1985	1981
May 1986–Jan 1987 9-Month	0.01	-0.01	0.02	70th Wettest	Wettest since: 1986	2019
Apr 1986–Jan 1987 10-Month	0.08	0.00	0.08	71st Driest	Driest since: 1986	1931
	0.08	0.00	0.08	60th Wettest	Wettest since: 1984	2019
	Ties: 1972
Mar 1986–Jan 1987 11-Month	-0.02	0.01	-0.03	63rd Driest	Driest since: 1986	1931
Mar 1986–Jan 1987 11-Month	-0.02	0.01	-0.03	68th Wettest	Wettest since: 1985	2019
Feb 1986–Jan 1987 12-Month	0.09	0.02	0.07	70th Driest	Driest since: 1986	1931
Feb 1986–Jan 1987 12-Month	0.09	0.02	0.07	61st Wettest	Wettest since: 1985	2019
Aug 1985–Jan 1987 18-Month	0.22	0.03	0.19	82nd Driest	Driest since: 1986	1966
Aug 1985–Jan 1987 18-Month	0.22	0.03	0.19	48th Wettest	Wettest since: 1985	2019
Feb 1985–Jan 1987 24-Month	-0.07	0.03	-0.10	52nd Driest	Driest since: 1982	1966
Feb 1985–Jan 1987 24-Month	-0.07	0.03	-0.10	78th Wettest	Wettest since: 1986	2020
Feb 1984–Jan 1987 36-Month	0.04	0.03	0.01	60th Driest	Driest since: 1983	1967
Feb 1984–Jan 1987 36-Month	0.04	0.03	0.01	69th Wettest	Wettest since: 1986	2021
Feb 1983–Jan 1987 48-Month	0.23	0.03	0.20	89th Driest	Driest since: 1986	1967
	0.23	0.03	0.20	39th Wettest	Wettest since: 1985	1976, 2022
	Ties: 1939, 1985
Feb 1982–Jan 1987 60-Month	0.16	0.03	0.13	83rd Driest	Driest since: 1986	1967
	0.16	0.03	0.13	44th Wettest	Wettest since: 1980	1976
	Ties: 1903, 1916

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 25, 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 2

January 1987 Palmer Z-Index Rankings

Citing This Page

Success

Error