USGS Streamgage 11453000
Yolo Bypass near Woodland, CA
Yolo Bypass near Woodland, CA is USGS streamgage 11453000 in California, monitoring river discharge in hydrologic subbasin 18020163. Discharge records at this site go back to 1939. Typical flow runs near 15.7 cfs in July and 375.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Gauge elevation
- -2 ft
- Subbasin (HUC-8)
- 18020163
- Coordinates
- 38.67766, -121.64409
- USGS site number
- 11453000
- Records begin
- 1939-10-01 (87 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 81 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 | 13.1 | 1,287.3 | 53,996.8 | |
| February | 25.2 | 2,222.8 | 61,213.8 | |
| March | 32.3 | 1,660.4 | 35,538.7 | |
| April | 8.5 | 375.6 | 16,523.7 | |
| May | 3.9 | 56.5 | 2,347.7 | |
| June | 1.8 | 34.8 | 754.9 | |
| July | 0 | 15.7 | 57.9 | |
| August | 0 | 19.8 | 71.7 | |
| September | 3.1 | 38.2 | 143.4 | |
| October | 2.2 | 13.3 | 48.5 | |
| November | 2.9 | 13.3 | 1,045.6 | |
| December | 6.2 | 144.4 | 16,514.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Yolo Bypass near Woodland, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 2,222.8 cfs, against 13.3 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Yolo Bypass near Woodland, CA?
- It depends on the month. In January, half of days historically fall near 1,287.3 cfs, with the middle 80% of days between 13.1 and 53,996.8 cfs. The month-by-month table on this page gives the full range.
- How long has Yolo Bypass near Woodland, CA been measured?
- Discharge records at USGS site 11453000 begin in 1939, about 87 years, covering roughly 5,045 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Yolo Bypass near Woodland, CA?
- The gauge sits at 38.67766, -121.64409, in California, in hydrologic subbasin 18020163, at an elevation of about -2 feet.
- Can I use Yolo Bypass near Woodland, CA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Other gauges in this subbasin
- Sacramento River A Rio Vista, CA
- Sacramento River below Walnut Grove Br A Walnut Grove, CA
- Nemeth Slough near Courtland, CA
- Green Slough near Courtland, CA
- Cache C Overflow Weir at N Abutment near Woodland, CA
- Laguna C near Elk Grove, CA
- Threemile Slough near Rio Vista, CA
- Sacramento River A Freeport, CA