USGS Streamgage 12117500
Cedar River near Landsburg, WA
Cedar River near Landsburg, WA is USGS streamgage 12117500 in Washington, monitoring river discharge in hydrologic subbasin 17110012. It drains a watershed of about 121 square miles. Discharge records at this site go back to 1895. Typical flow runs near 408.4 cfs in July and 727.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 121 sq mi
- Gauge elevation
- 571 ft
- Subbasin (HUC-8)
- 17110012
- Coordinates
- 47.39369, -121.95454
- USGS site number
- 12117500
- Records begin
- 1895-08-01 (131 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 131 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 | 454.5 | 900.6 | 1,681.9 | |
| February | 462 | 795.8 | 1,449 | |
| March | 449.2 | 714.6 | 1,220.3 | |
| April | 439.2 | 727.3 | 1,178.7 | |
| May | 427.1 | 753.2 | 1,176.1 | |
| June | 392.7 | 638.3 | 1,183.1 | |
| July | 314.2 | 408.4 | 717.9 | |
| August | 237.1 | 316.4 | 472.8 | |
| September | 225.1 | 300.2 | 430.7 | |
| October | 227.4 | 384 | 604.9 | |
| November | 289.6 | 582.4 | 1,295 | |
| December | 425 | 779.2 | 1,539.7 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Cedar River below Diversion near Landsburg, WA
- Rock Creek below Walsh Lake near Landsburg, WA
- Rock Creek at Highway 516 near Ravensdale, WA
- Cedar River at Renton, WA
- Issaquah Creek near Hobart, WA
- Issaquah Creek near Mouth near Issaquah, WA
- Cottage Lake Creek Ab Bear Creek near Redmond, WA
- Cedar River below Bear Creek near Cedar Falls, WA