USGS Streamgage 11055800
City C near Highland, CA
City C near Highland, CA is USGS streamgage 11055800 in California, monitoring river discharge in hydrologic subbasin 18070203. It drains a watershed of about 20 square miles. Discharge records at this site go back to 1919. Typical flow runs near 0.1 cfs in July and 7.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 20 sq mi
- Gauge elevation
- 1,580 ft
- Subbasin (HUC-8)
- 18070203
- Coordinates
- 34.1439, -117.18864
- USGS site number
- 11055800
- Records begin
- 1919-10-01 (107 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 107 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 | 0.3 | 5.2 | 26.9 | |
| February | 1.1 | 7.5 | 53.6 | |
| March | 1.2 | 8.5 | 70.5 | |
| April | 0.6 | 7.1 | 44.6 | |
| May | 0.2 | 3.2 | 22.7 | |
| June | 0 | 1 | 11.4 | |
| July | 0 | 0.1 | 5.7 | |
| August | 0 | 0.1 | 2.8 | |
| September | 0 | 0.1 | 2.8 | |
| October | 0 | 0.3 | 3.7 | |
| November | 0 | 1.4 | 6.7 | |
| December | 0.2 | 3.4 | 15.6 |
All values in cubic feet per second (cfs).
Common questions
- When does City C near Highland, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 8.5 cfs, against 0.1 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for City C near Highland, CA?
- It depends on the month. In January, half of days historically fall near 5.2 cfs, with the middle 80% of days between 0.3 and 26.9 cfs. The month-by-month table on this page gives the full range.
- How long has City C near Highland, CA been measured?
- Discharge records at USGS site 11055800 begin in 1919, about 107 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 City C near Highland, CA?
- The gauge sits at 34.1439, -117.18864, in California, in hydrologic subbasin 18070203, at an elevation of about 1,580 feet, draining roughly 20 square miles.
- Can I use City C near Highland, 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
- San Timoteo C near Loma Linda, CA
- E Twin C near Arrowhead Springs, CA
- Waterman Canyon Creek near Arrowhead Springs, CA
- Santa Ana River A E St near San Bernardino, CA
- Warm C near San Bernardino, CA
- Sce Lytle C Conduit near Fontana, CA
- Lytle C near Fontana, CA
- Fontana Water Co Surface Diversion Weir 2 near Fontana, CA