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Hudson River Environmental Conditions Observing System

HRECOS sensors at Piermont Pier
This meteorological station at
Norrie Point Environmental Center
logs temperature, humidity, pressure,
wind speed, precipitation and solar
radiation at 15 minute intervals

The Hudson River Environmental Conditions Observing System (HRECOS) is a network of real-time monitoring stations on the Hudson River Estuary. The stations are geographically distributed from Schodack Island to the New York/New Jersey harbor and are monitoring river conditions every 15 minutes.

You can use the Links Leaving DEC's Website on the right side of the page to visit the official HRECOS page for:

  • Two Day Forecasts - Reliable predictions of water level, water temperature, salinity, wind speed and direction and other parameters.
  • Current River Conditions - Real-time reporting of hydrologic and meteorologic river conditions
  • The HRECOS Classroom - Lesson plans utilizing HRECOS collected from collaborating educators.
  • HRECOS Stories - Short descriptions of river phenomena learned from the HRECOS data set and written for the general public

HRECOS is operated by a consortium of partners from government and the research community:

Teachers can learn how to use HRECOS in classrooms at training workshops offered by the Hudson River Estuary Program. The system offers opportunities to build graphing and analytical skills among students young and old, exploring seasonal changes in temperature with elementary students or tidal cycles with earth science students, for example.


  • Links Leaving DEC's Website
  • PDF Help
  • For help with PDFs on this page, please call 845-256-3016.
  • Contact for this Page
  • The Hudson River Estuary Program
    NYSDEC Region 3
    21 S Putt Corners Rd
    New Paltz, NY 12561
    fax: (845) 255-3649
    845-256-3016
    Send us an email
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  • Page applies to Hudson River region