USGS Streamgage 10257720
Chino Cyn C below Tramway near Palm Springs, CA
Chino Cyn C below Tramway near Palm Springs, CA is USGS streamgage 10257720 in California, monitoring river discharge in hydrologic subbasin 18100201. It drains a watershed of about 5 square miles. Discharge records at this site go back to 1986. Typical flow runs near 0 cfs in July and 0.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 5 sq mi
- Gauge elevation
- 2,092 ft
- Subbasin (HUC-8)
- 18100201
- Coordinates
- 33.84385, -116.60581
- USGS site number
- 10257720
- Records begin
- 1986-10-01 (40 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 40 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 | 0 | 0.2 | 3.3 | |
| February | 0 | 0.5 | 3.9 | |
| March | 0 | 0.5 | 4.3 | |
| April | 0 | 0.3 | 3.3 | |
| May | 0 | 0.1 | 1.6 | |
| June | 0 | 0 | 0.4 | |
| July | 0 | 0 | 0.2 | |
| August | 0 | 0 | 0.2 | |
| September | 0 | 0 | 0.7 | |
| October | 0 | 0 | 0.7 | |
| November | 0 | 0 | 0.9 | |
| December | 0 | 0.1 | 1.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Chino Cyn C below Tramway near Palm Springs, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 0.5 cfs, against 0 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Chino Cyn C below Tramway near Palm Springs, CA?
- It depends on the month. In January, half of days historically fall near 0.2 cfs, with the middle 80% of days between 0 and 3.3 cfs. The month-by-month table on this page gives the full range.
- How long has Chino Cyn C below Tramway near Palm Springs, CA been measured?
- Discharge records at USGS site 10257720 begin in 1986, about 40 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Chino Cyn C below Tramway near Palm Springs, CA?
- The gauge sits at 33.84385, -116.60581, in California, in hydrologic subbasin 18100201, at an elevation of about 2,092 feet, draining roughly 5 square miles.
- Can I use Chino Cyn C below Tramway near Palm Springs, 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.