USGS 01475510 Darby Creek near Darby, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage image STATION.--01475510 Darby Creek near Darby, PA
LOCATION.--Lat 39°55'44", Long 75°16'22", referenced to North American Datum of 1927 Delaware County, Hydrologic Unit 02040202, on left bank, 5 ft upstream from bridge on West Providence Rd, 2.3 mi upstream from Cobbs Creek, 8.4 mi above mouth.
DRAINAGE AREA.--37.4 square miles.
PERIOD OF RECORD.--Discharge: February 1964 to September 1990, and November 2018 to current year. Specific Conductance: October 2019 to current year. Water Temperature: July 2000 to September 2000, and November 2018 to current year.
GAGE.--Water-stage recorder, crest-stage gage, concrete control, and water-temperature sensor. Datum of gage is 18.1 ft above North American Vertical Datum of 1988 (NAVD88), from GPS survey. Prior to March 10, 2022, the datum was erroneously reported as 18.9 ft above NAVD88 and 19.41 ft above National Geodetic Vertical Datum of 1929.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Geological Survey -- Next Generation Water Observing System (NGWOS).
REMARKS.--
This station managed by the PAWSC Downingtown Field Office.

Available Parameters Available Period
  
2018-11-19  2024-03-29
2018-11-19  2024-03-29
2018-11-19  2024-03-29
2019-10-18  2024-03-29
2022-01-01  2024-03-29







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Temperature, water, degrees Celsius

Most recent instantaneous value: 9.2 03-29-2024   11:10 EDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 94.6 03-29-2024   11:10 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Mar 29 based on 3 water years of record more
Min
(2019)
25th
percen-
tile
Most Recent
Instantaneous
Value Mar 29
Mean Median 75th
percen-
tile
Max
(2020)
79.6 80 94.6 122 131 156 156


Gage height, feet

Most recent instantaneous value: 2.26 03-29-2024   11:10 EDT
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 502 03-29-2024   11:10 EDT
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Stream water level elevation above NAVD 1988, in feet, [Gage Height - NAVD88]

Most recent instantaneous value: 20.36 03-29-2024   11:10 EDT
Graph of  Stream water level elevation above NAVD 1988, in feet, [Gage Height - NAVD88]

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