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Historical Data

Disclaimer: HRECOS is a research project. No warranty--either express or implied--is made for any information presented by this site. All data are subject to revision. 

To view and download more recent data, visit the HRECOS Current Conditions page.

For custom batch requests or formats better suited for machine processing, please contact us

Important notes:

  • All files were regenerated on 7/28/2017 to update headers.
  • Water level and current data provided by USGS are verified annually beginning October 1st (water year). These data files will be updated once all calendar year 2016 data is verified. Please visit the USGS link in the file header for provisional data in water year 2016-2017.
Station (listed N to S)Station Type
Available downloads (CSV)
Mohawk River @ Ilion/Utica (NYS DEC)Water Quality
Station metadata----------20132014
2015
2016

Mohawk River @ Lock 8 (NYS DEC, USGS)

Water Quality
Station metadata--------201220132014
2015
20161
Weather
Station metadata--------2012201320142015
2016
Mohawk River @ Rexford Bridge (NYS DEC, USGS)Water Quality
Station metadata------------20142015
20161
Port of Albany (NYS DEC, USGS)Water Quality
Station metadata------20112012201320142015
20161
Weather
Station metadata----
--20112012201320142015
2016
Schodack Island (Cary Institute, NYS DEC)Water Quality
Station metadata20082009201020112012201320142015
2016
Weather
Station metadata20082009201020112012201320142015
2016
Tivoli Bays (HRNERR)
Water Quality
*
*
*
*
*
*
*
*
*
*
Norrie Point (HRNERR)Water Quality
Station metadata2008200920102011201220132014
2015
2016
Weather
Station metadata20082009201020112012201320142015
2016

Marist Pump Station (Cary Institute, USGS)

W.Q. (bottom)
Station metadata--------2012201320142015
20161
W.Q. (surface)
Station metadata------------20142015
2016
West Point (Cary Institute, USGS [2013-14])Water Quality
Station metadata----------20132014--
2016
Piermont Pier (LDEO)Water Quality
Station metadata20082009201020112012201320142015
2016
Weather
Station metadata20082009201020112012201320142015
2016
Beczak/Yonkers (CURB, LDEO)W.Q. & Wx (combined)
Station metadata------------2014
2015
2016
G. W. Bridge (Stevens Institute)Water Quality
Station metadata20082009201020112012------
--
Pier 84NYC (Hudson River Park)W.Q. & Wx (combined)
Station metadata--------2012201320142015
2016
Pier 26, NYC (Hudson River Park)
Water Quality
Station metadata
--
--
--
--
--
--
--
--
2016
Weather
Station metadata
--
--
--
--
--
--
--
--
2016
Castle Point, NJ (Stevens Institute)W.Q. (surface)
Station metadata2008
200920102011----20142015
2016
W.Q. (bottom)
Station metadata
--
--
--
--
--
--
--
--
2016
Passaic River (PVSC)Water Quality
Station metadata------------20142015
2016

*Historical data and metadata for Tivoli Bays stations (North, South, and weather) are maintained by the NOAA National Estuarine Research Reserve System's Centralized Data Management Office (NERRS CDMO). To access this data, please visit the NERRS CDMO webpage.


QAQC Flag Definitions (also noted in station metadata)

Provisional Data Flags

000000      Acceptable data

000005      Data that demonstrate a dramatic increase or decrease from the previous value

000006      Flat lined data

000030      Data outside three standard deviations of the seasonal mean

000040      Data outside four standard deviations of the seasonal mean

000100      Data outside the range of the instrument

Final Data Flags

000000      Data determined to be acceptable after a final review by the site manager

010000      Suspicious data according toa  final review by the site manager

020000      Corrected data

500000      Rejected data according to final review by the site manager

QAQC Comment Code Definitions

General Errors:

[GIM]      instrument malfunction

[GIT]       instrument recording error, recovered telemetry data

[GMC]     no instrument deployed due to maintenance/calibration

[GIC]       no instrument deployed due to ice

[GNF]      deployment tube clogged/no flow

[GPF]       power failure/low battery

[GQR]     rejected due to QAQC checks

[GSM]     see metadata

[GOW]    out of water event

Sensor Errors:

[SBO]      blocked optic

[STF]       catastrophic temperature sensor failure

[SCF]       conductivity sensor failure

[SDF]       depth port frozen

[SDP        DO membrane puncture

[SDO]      DO suspect

[SIC]        incorrect calibration/contaminated standard

[SNV]      negative value

[SPC]       post calibration out of range

[SSDN]    sensor drift, record not corrected

[SSDC]    sensor drift, record corrected

[SSM]      sensor malfunction

[SOW]     sensor out of water

[SSR]       sensor removed (not deployed

[STS]       turbidity spike

[SWM]     wiper malfunction/loss

Comments:

[CAF]      acceptable calibration/accuracy error of sensor

[CBF]      biofouling

[CCU]      cause unknown

[CDA]     DO hypoxia <28 percent saturation

[CDB]      disturbed bottom

[CDF]      data appear to fit conditions

[CFK]      fish kill

[CIP]        surface ice present at sample station

[CLT]       low tide

[CND]     new deployment begins

[CRE]      significant rain event

[CSM]      see metadata

[CTS]       turbidity spike

[CWD]     data collected at wrong depth

[CAP]      depth sensor in water, affected by atmospheric pressure

[CAB]      algal bloom

[CVT]      possible vandalism/tampering

[CMC]     in field maintenance/cleaning

[CMD]     mud in probe guard