USGS Streamgage 11416000
Bowman-Spaulding Cn Intake near Graniteville, CA
Bowman-Spaulding Cn Intake near Graniteville, CA is USGS streamgage 11416000 in California, monitoring river discharge in hydrologic subbasin 18020125. Discharge records at this site go back to 1927. Typical flow runs near 232.8 cfs in July and 83.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Subbasin (HUC-8)
- 18020125
- Coordinates
- 39.44046, -120.65938
- USGS site number
- 11416000
- Records begin
- 1927-10-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 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 | 42.7 | 138.6 | 228.6 | |
| February | 17.8 | 122.8 | 231.7 | |
| March | 13.3 | 134.8 | 228.9 | |
| April | 0.2 | 83.1 | 217.3 | |
| May | 0.1 | 86.2 | 216.2 | |
| June | 0.2 | 91.5 | 269.3 | |
| July | 50 | 232.8 | 289.4 | |
| August | 196.1 | 241.5 | 300.4 | |
| September | 176.9 | 239.3 | 297.8 | |
| October | 68.8 | 221.5 | 282.3 | |
| November | 52.6 | 202.6 | 266.5 | |
| December | 47.7 | 170 | 242.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Bowman-Spaulding Cn Intake near Graniteville, CA normally run highest?
- August, on the long-term record. The median daily flow that month is about 241.5 cfs, against 83.1 cfs in April, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Bowman-Spaulding Cn Intake near Graniteville, CA?
- It depends on the month. In January, half of days historically fall near 138.6 cfs, with the middle 80% of days between 42.7 and 228.6 cfs. The month-by-month table on this page gives the full range.
- How long has Bowman-Spaulding Cn Intake near Graniteville, CA been measured?
- Discharge records at USGS site 11416000 begin in 1927, about 99 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Bowman-Spaulding Cn Intake near Graniteville, CA?
- The gauge sits at 39.44046, -120.65938, in California, in hydrologic subbasin 18020125.
- Can I use Bowman-Spaulding Cn Intake near Graniteville, 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
- Bowman Spaulding Cn A Jordan C Siphon, CA
- Canyon C below Bowman Lake, CA
- Texas C below Lo Rock Lake near Graniteville, CA
- Texas C Tributary below Culbertson Lake near Granitvle, CA
- Lindsey C below Lo Lindsey Lake near Graniteville, CA
- Yuba River below Englebright Dam near Smartsville, CA
- Deer C near Smartsville, CA
- Yuba River near Marysville, CA