National Weather Service United States Department of Commerce

Precipitation Departure Maps

New York/Pennsylvania New Jersey
Delaware/Maryland/Virginia/West Virginia MARFC Basins
All MARFC Counties Text Data
County Departure Bar Charts

Delaware

Maryland

New York

Virginia

District of Columbia

New Jersey

Pennsylvania

West Virginia

Archived Departure Data and Maps

Monthly Departure Maps

2017

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February

2016

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February
March March March March
April April April April
May May May May
June June June June
July July July July
August August August August
September September September September
October October October October
November November November November
December December December December

2015

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February
March March March March
April April April April
May May May May
June June June June
July July July July
August August August August
September September September September
October October October October
November November November November
December December December December

2014

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February
March March March March
April April April April
May May May May
June June June June
July July July July
August August August August
September September September September
October October October October
November November November November
December December December December

2013

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February
March March March March
April April April April
May May May May
June June June June
July July July July
August August August August
September September September September
October October October October
November November November November
December December December December

2012

New York & Pennsylvania New Jersey Delaware, Maryland, Virginia, West Virginia MARFC Basins
January January January January
February February February February
March March March March
April April April April
May May May May
June June June June
July July July July
August August August August
September September September September
October October October October
November November November November
December December December December

For data before 2012, please contact the webmaster

County departure maps date back to August 1995.  Basin departure maps date back to January 2007. 

Monthly Departure Text

2017

2016

2015

2014

2013

2012

For data before 2012, please contact the webmaster

Text data files begin February 1998

 
The county and basin "normal" precipitation values are derived from data generated by the PRISM (Parameter-elevation Regressions on Independent Slopes Model) Climate Group at Oregon State University.