Precipitation Departure Maps
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New York/Pennsylvania |
New Jersey |
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Delaware/Maryland/Virginia/West Virginia |
MARFC Basins |
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All MARFC Counties |
Text Data |
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- year to date
- month to date
- mid-month
- last 7 days
- last 30 days
- last 60 days
- last 90 days
- last 180 days
- last 365 days
- Combined data file (csv file containing past 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, and 365 day departures)
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Archived Departure Data and Maps
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Monthly Departure Maps |
2023
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2022
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For data before 2022, please contact the webmaster.
MARFC's county departure maps date back to August 1995, and our basin departure maps date back to January 2007.
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Monthly Departure Text |
2024
2023
2022
For data before 2022, please contact the webmaster.
Text data files begin February 1998
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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. |