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 2010 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 2010 1-Month	-0.28	0.21	-0.49	58th Driest	Driest since: 2009	1970
January 2010 1-Month	-0.28	0.21	-0.49	74th Wettest	Wettest since: 2007	1979
Dec 2009–Jan 2010 2-Month	0.88	0.14	0.74	98th Driest	Driest since: 2008	1981
Dec 2009–Jan 2010 2-Month	0.88	0.14	0.74	33rd Wettest	Wettest since: 2009	1978
Nov 2009–Jan 2010 3-Month	-0.24	0.00	-0.24	61st Driest	Driest since: 2002	1981
	-0.24	0.00	-0.24	70th Wettest	Wettest since: 2009	1978
	Ties: 1914
Oct 2009–Jan 2010 4-Month	0.52	0.03	0.49	89th Driest	Driest since: 2009	2025
Oct 2009–Jan 2010 4-Month	0.52	0.03	0.49	42nd Wettest	Wettest since: 2008	1978
Sep 2009–Jan 2010 5-Month	0.35	0.03	0.32	81st Driest	Driest since: 2008	2025
Sep 2009–Jan 2010 5-Month	0.35	0.03	0.32	50th Wettest	Wettest since: 2009	1978
Aug 2009–Jan 2010 6-Month	0.87	0.04	0.83	108th Driest	Driest since: 2009	1931
Aug 2009–Jan 2010 6-Month	0.87	0.04	0.83	23rd Wettest	Wettest since: 2005	2019
Jul 2009–Jan 2010 7-Month	0.94	0.02	0.92	112th Driest	Driest since: 2009	1931
Jul 2009–Jan 2010 7-Month	0.94	0.02	0.92	19th Wettest	Wettest since: 2005	2019
Jun 2009–Jan 2010 8-Month	1.15	0.03	1.12	114th Driest	Driest since: 2009	1931
Jun 2009–Jan 2010 8-Month	1.15	0.03	1.12	17th Wettest	Wettest since: 2007	2019
May 2009–Jan 2010 9-Month	1.14	-0.01	1.15	117th Driest	Driest since: 2009	1981
May 2009–Jan 2010 9-Month	1.14	-0.01	1.15	14th Wettest	Wettest since: 2007	2019
Apr 2009–Jan 2010 10-Month	0.93	0.00	0.93	117th Driest	Driest since: 2009	1931
	0.93	0.00	0.93	14th Wettest	Wettest since: 2007	2019
	Ties: 1939
Mar 2009–Jan 2010 11-Month	0.63	0.01	0.62	104th Driest	Driest since: 2009	1931
Mar 2009–Jan 2010 11-Month	0.63	0.01	0.62	27th Wettest	Wettest since: 2007	2019
Feb 2009–Jan 2010 12-Month	0.35	0.02	0.33	92nd Driest	Driest since: 2009	1931
	0.35	0.02	0.33	39th Wettest	Wettest since: 2009	2019
	Ties: 1990, 2009
Aug 2008–Jan 2010 18-Month	0.29	0.03	0.26	89th Driest	Driest since: 2009	1966
	0.29	0.03	0.26	41st Wettest	Wettest since: 2007	2019
	Ties: 1909, 1984
Feb 2008–Jan 2010 24-Month	0.35	0.03	0.32	95th Driest	Driest since: 2009	1966
	0.35	0.03	0.32	35th Wettest	Wettest since: 2006	2020
	Ties: 1949
Feb 2007–Jan 2010 36-Month	0.23	0.03	0.20	85th Driest	Driest since: 2008	1967
	0.23	0.03	0.20	44th Wettest	Wettest since: 2009	2021
	Ties: 1984
Feb 2006–Jan 2010 48-Month	0.31	0.03	0.28	99th Driest	Driest since: 2009	1967
	0.31	0.03	0.28	29th Wettest	Wettest since: 2008	1976, 2022
	Ties: 1949
Feb 2005–Jan 2010 60-Month	0.26	0.03	0.23	91st Driest	Driest since: 2004	1967
	0.26	0.03	0.23	36th Wettest	Wettest since: 2009	1976
	Ties: 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 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 2010 Palmer Z-Index Rankings

Citing This Page

Success

Error