USGS Streamgage 10260950
WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA
WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA is USGS streamgage 10260950 in California, monitoring river discharge in hydrologic subbasin 18090208. It sits on the Wf Mojave River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 70 square miles. Discharge records at this site go back to 1974. Typical flow runs near 0 cfs in July and 10.7 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- California
- Drainage area
- 70 sq mi
- Gauge elevation
- 3,025 ft
- Subbasin (HUC-8)
- 18090208
- Coordinates
- 34.33889, -117.25782
- USGS site number
- 10260950
- Records begin
- 1974-10-01 (52 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 52 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 | 3.8 | 181.1 | |
| February | 0 | 10.1 | 282.2 | |
| March | 0 | 15.7 | 320.4 | |
| April | 0 | 10.7 | 133.1 | |
| May | 0 | 3.4 | 66.3 | |
| June | 0 | 0 | 33.7 | |
| July | 0 | 0 | 6.9 | |
| August | 0 | 0 | 1.5 | |
| September | 0 | 0 | 1.3 | |
| October | 0 | 0 | 38.4 | |
| November | 0 | 0 | 78.2 | |
| December | 0 | 0.6 | 89.1 |
All values in cubic feet per second (cfs).
Common questions
- When does WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 15.7 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 WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA?
- It depends on the month. In January, half of days historically fall near 3.8 cfs, with the middle 80% of days between 0 and 181.1 cfs. The month-by-month table on this page gives the full range.
- How long has WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA been measured?
- Discharge records at USGS site 10260950 begin in 1974, about 52 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA?
- The gauge sits at 34.33889, -117.25782, in California, in hydrologic subbasin 18090208, at an elevation of about 3,025 feet, draining roughly 70 square miles.
- Can I use WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, 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.
Upstream and downstream on the Wf Mojave River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Wf Mojave River in full.
- WF Mojave River Ab Silverwood Lake near Hesperia, CA 3 sq mi
- WF Mojave River Ab Mojave River Forks Reservoir near Hesperia, CA this page