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USGS 01453000 Lehigh River at Bethlehem, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--01453000 LEHIGH RIVER AT BETHLEHEM, PA
LOCATION.--Lat 40`36'55", long 75`22'45", Lehigh County, Hydrologic Unit 02040106, on left bank 110 ft upstream from bridge on New Street at Bethlehem, and 1,800 ft upstream from Monocacy Creek. Records include flow of Monocacy Creek.
DRAINAGE AREA.--1,279 mi2 (includes that of Monocacy Creek). At site used prior to Oct. 1, 1928, 1,229 mi2.
PERIOD OF RECORD.--October 1902 to January 1905, May 1909 to current year. Monthly discharge only for some periods, published in WSP 1302. Published as "at South Bethlehem" prior to October 1913.
GAGE.--Water-stage recorder, crest-stage gage, and climatological sensor. Datum of gage is 210.94 ft above National Geodetic Vertical Datum of 1929. Prior to October 1928, non-recording gage at New Street bridge 120 ft downstream at same datum. Oct. 1, 1928, to Sept. 30, 1962, water-stage recorder at site 4,250 ft downstream at datum 2.49 ft lower. Oct. 1, 1963, to Dec. 14, 1975, water-stage recorder at site 40 ft downstream at same datum. Satellite and landline telemetry at station.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limt) - 25.7 ft; Data transmitter operational limit - 26.5 ft;
Supplied by NWS: Action stage-12 ft, at 14 ft, flooding begins upstream in Allentown; backwater affects Little Lehigh and Jordan Creeks; Flood stage-16 ft, Wilson Avenue takes on water; Moderate flood stage-20 ft; Major flood stage-22 ft, at 25 ft, levees in Bethlehem are topped.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Feb. 28, 1902 reached a stage of 24.9 ft, from floodmark, present site and datum, discharge, about 88,000 ft3/s.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Philadelphia District, the Pennsylvania Department of Environmental Resources, and the U.S. Geological Survey through the Cooperative Water Program.
REMARKS.--
The 15-minute precipitation data for this station are temporary and will only be displayed for 120 days. Time series of 1-hour or cumulative daily values will NOT be available for retrieval following the 120-day display period. Although the instrumentation is calibrated at least once a year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.
This station managed by the PAWSC New Cumberland Office.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-09-19
00065 Gage height 2014-05-22  2014-09-19
00045 Precipitation 2014-05-22  2014-09-19

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


Discharge, cubic feet per second

Most recent instantaneous value: 586   09-19-2014  23:30 EDT
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Daily discharge, cubic feet per second -- statistics for Sep 19 based on 73 years of record more
Min
(1963)
Most Recent
Instantaneous
Value Sep 19
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(2004)
419 586 639 991 1490 1850 21400


Gage height, feet

Most recent instantaneous value: 1.20   09-19-2014  23:30 EDT
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