USGS Streamgage 12201500
Samish River near Burlington, WA
Samish River near Burlington, WA is USGS streamgage 12201500 in Washington, monitoring river discharge in hydrologic subbasin 17110002. It drains a watershed of about 88 square miles. Discharge records at this site go back to 1943. Typical flow runs near 45.9 cfs in July and 252.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 88 sq mi
- Gauge elevation
- 43 ft
- Subbasin (HUC-8)
- 17110002
- Coordinates
- 48.54594, -122.33822
- USGS site number
- 12201500
- Records begin
- 1943-08-01 (83 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 83 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 189.5 | 399.9 | 965.7 | |
| February | 178.1 | 325.9 | 813.1 | |
| March | 166.1 | 318.8 | 594 | |
| April | 150.7 | 252.4 | 476.1 | |
| May | 79.4 | 158.1 | 302 | |
| June | 44.1 | 88 | 201.5 | |
| July | 26 | 45.9 | 96 | |
| August | 21.2 | 30.9 | 56 | |
| September | 21.2 | 31.6 | 82.7 | |
| October | 33 | 86.7 | 288.4 | |
| November | 98.2 | 269.6 | 698.9 | |
| December | 150.5 | 346.6 | 838 |
All values in cubic feet per second (cfs).