Rivermatics

USGS Streamgage 06409000

Castle Creek above Deerfield Reservoir near Hill City, SD

Castle Creek above Deerfield Reservoir near Hill City, SD is USGS streamgage 06409000, monitoring river discharge in hydrologic subbasin 10120110. It drains a watershed of about 79 square miles. Discharge records at this site go back to 1948. Typical flow runs near 11.8 cfs in July and 15.5 cfs in April, with the higher of the two arriving in April.

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Gauge details

Drainage area
79 sq mi
Gauge elevation
5,927 ft
Subbasin (HUC-8)
10120110
Coordinates
44.01359, -103.83048
USGS site number
06409000
Records begin
1948-07-01 (78 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 78 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 5.3 9.1 16.2
February 5.8 9.2 16.6
March 6.3 11.3 19.7
April 9.8 15.5 27.5
May 10.1 16.2 32
June 8.4 13.7 32.3
July 7.1 11.8 25.5
August 6.6 10.9 21.2
September 6.7 10.8 19.8
October 6.7 10.9 19.5
November 6.3 10.2 17.9
December 5.8 9.2 17.5

All values in cubic feet per second (cfs).

Other gauges in this subbasin