USGS 01415000 TREMPER KILL NEAR ANDES NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 42°07'12", long 74°49'07" referenced to North American Datum of 1983, Delaware County, NY, Hydrologic Unit 02040102, on right bank 500 ft upstream from bridge on County Highway 1, about 1,700 ft upstream from Pepacton Reservoir, and 5 mi south of Andes.
DRAINAGE AREA.--33.2 mi².
PERIOD OF RECORD.--February 1937 to current year. Published as "near Shavertown" 1937-67.
REVISIONS HISTORY.--WDR NY-82-1: Drainage area. Gage height for Nov. 1, 2019 and Aug. 4, 2020 was revised on Apr. 7, 2022, based on changes to the gage-height record. Discharge for the periods of Nov. 1, 2, 2019 and Aug. 4, 5, 2020 was revised on July 20, 2022, based on hydrologic comparison.
GAGE.--Water-stage recorder and crest-stage gage. Concrete control since November 1937. Datum of gage is 1,285.87 ft above NGVD of 1929 and 1,285.20 ft above NAVD of 1988. Prior to Aug. 5, 1937, nonrecording gage at site 500 ft downstream at different datum. Aug. 5 to Sept. 28, 1937, nonrecording gage at site 0.25 mi downstream at different datum.
REMARKS.--Water Years 2014-22: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 5,900 ft³/s, Oct. 1, 2010, gage height, 8.51 ft, from rating curve extended above 2,200 ft³/s on basis of runoff comparison of peak flow from contracted-opening measurement at gage height 7.69 ft at site 0.7 mi upstream; minimum discharge, 0.5 ft³/s, Sept. 17, 21, 22, 1964.
PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: October 2019 to current year. WATER TEMPERATURE: October 2019 to current year.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature and specific conductance provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF RECORD1.--SPECIFIC CONDUCTANCE: Maximum, 257 uS/cm at 25 °C, Feb. 16, 2021; minimum, 31 uS/cm at 25 °C, July 14, 15, 16, 2021. WATER TEMPERATURE: Maximum, 26.0 °C, July 27, 2020; minimum, -0.1 °C on many days during 2022 and 2023 winter periods.
1 Water-Quality Records
> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Available Period
  
2019-10-09  2024-03-28
1990-10-01  2024-03-28
2007-10-01  2024-03-28
2019-10-09  2024-03-28







 (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: 5.9 03-28-2024   15:45 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 95.7 03-28-2024   15:45 EST
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Daily discharge, cubic feet per second -- statistics for Mar 28 based on 87 water years of record more
Min
(1960)
25th
percen-
tile
Most Recent
Instantaneous
Value Mar 28
Median Mean 75th
percen-
tile
Max
(1950)
22.0 62 95.7 104 135 159 692


Gage height, feet

Most recent instantaneous value: 3.66 03-28-2024   15:45 EST
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