USGS Streamgage 11065000
Lytle C A Colton, CA
Lytle C A Colton, CA is USGS streamgage 11065000 in California, monitoring river discharge in hydrologic subbasin 18070203. It drains a watershed of about 186 square miles. Discharge records at this site go back to 1957. Typical flow runs near 0 cfs in July and 0 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 186 sq mi
- Gauge elevation
- 977 ft
- Subbasin (HUC-8)
- 18070203
- Coordinates
- 34.0789, -117.3056
- USGS site number
- 11065000
- Records begin
- 1957-10-01 (69 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 69 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 | 12.7 | |
| February | 0 | 0 | 20.9 | |
| March | 0 | 0 | 18.1 | |
| April | 0 | 0 | 7.8 | |
| May | 0 | 0 | 2.2 | |
| June | 0 | 0 | 1.5 | |
| July | 0 | 0 | 1.9 | |
| August | 0 | 0 | 2.4 | |
| September | 0 | 0 | 1.5 | |
| October | 0 | 0 | 0.9 | |
| November | 0 | 0 | 2.7 | |
| December | 0 | 0 | 6 |
All values in cubic feet per second (cfs).
Common questions
- When does Lytle C A Colton, CA normally run highest?
- January, on the long-term record. The median daily flow that month is about 0 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Lytle C A Colton, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 12.7 cfs. The month-by-month table on this page gives the full range.
- How long has Lytle C A Colton, CA been measured?
- Discharge records at USGS site 11065000 begin in 1957, about 69 years, covering roughly 9,116 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Lytle C A Colton, CA?
- The gauge sits at 34.0789, -117.3056, in California, in hydrologic subbasin 18070203, at an elevation of about 977 feet, draining roughly 186 square miles.
- Can I use Lytle C A Colton, 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.
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- Santa Ana River A Mwd Crossing, CA
- Coldwater Canyon C near Corona, CA
- Temescal C A Corona Lake near Corona, CA
- Temescal C Ab Main St A Corona, CA
- San Antonio C A Riverside Drive near Chino, CA
- Chino C A Schaefer Avenue near Chino, CA
- Cucamonga C near Upland, CA