Rivermatics

USGS Streamgage 13132500

Big Lost River near Arco, ID

Big Lost River near Arco, ID is USGS streamgage 13132500 in Idaho, monitoring river discharge in hydrologic subbasin 17040218. It drains a watershed of about 1,410 square miles. Discharge records at this site go back to 1946. Typical flow runs near 11.3 cfs in July and 20.8 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
Idaho
Drainage area
1,410 sq mi
Subbasin (HUC-8)
17040218
Coordinates
43.58222, -113.27056
USGS site number
13132500
Records begin
1946-09-01 (80 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 80 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 0 9.7 118.5
February 0 11.1 122.6
March 0 16.9 158.1
April 0 20.8 210.6
May 0 11.7 411.2
June 0 23.4 776.2
July 0 11.3 404.4
August 0 3.2 103
September 0 4.8 180.5
October 0 15.1 187
November 0 16.9 158.9
December 0 12.7 135.7

All values in cubic feet per second (cfs).

Other gauges in this subbasin