USGS Streamgage 11262900
Mud Slough near Gustine, CA
Mud Slough near Gustine, CA is USGS streamgage 11262900 in California, monitoring river discharge in hydrologic subbasin 18040001. Discharge records at this site go back to 1985. Typical flow runs near 23.6 cfs in July and 57.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Gauge elevation
- 61 ft
- Subbasin (HUC-8)
- 18040001
- Coordinates
- 37.26241, -120.90655
- USGS site number
- 11262900
- Records begin
- 1985-10-01 (41 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 41 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 | 43.9 | 125.5 | 402.1 | |
| February | 46.4 | 136 | 365.1 | |
| March | 39.2 | 153.5 | 364.2 | |
| April | 19.7 | 57.7 | 159.4 | |
| May | 5.3 | 38.2 | 107 | |
| June | 2.9 | 31.5 | 99.4 | |
| July | 2.9 | 23.6 | 92 | |
| August | 1.1 | 19.6 | 81 | |
| September | 1.3 | 26.6 | 66.9 | |
| October | 6.2 | 89 | 172.4 | |
| November | 13.4 | 102.2 | 189.2 | |
| December | 26.5 | 110 | 219 |
All values in cubic feet per second (cfs).
Common questions
- When does Mud Slough near Gustine, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 153.5 cfs, against 19.6 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Mud Slough near Gustine, CA?
- It depends on the month. In January, half of days historically fall near 125.5 cfs, with the middle 80% of days between 43.9 and 402.1 cfs. The month-by-month table on this page gives the full range.
- How long has Mud Slough near Gustine, CA been measured?
- Discharge records at USGS site 11262900 begin in 1985, about 41 years, covering roughly 9,125 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Mud Slough near Gustine, CA?
- The gauge sits at 37.26241, -120.90655, in California, in hydrologic subbasin 18040001, at an elevation of about 61 feet.
- Can I use Mud Slough near Gustine, 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 Joaquin River Ab Merced River near Newman, CA
- San Joaquin River below Friant, CA
- San Joaquin River below Hwy 41 near Pinedale, CA
- San Joaquin River A Skaggs Br near Ripperdan, CA
- San Joaquin River A Gravelly Ford Cn near Kerman, CA
- San Joaquin River below Chowchilla Cn Intake near Mendota
- San Joaquin River near Mendota, CA
- San Joaquin River near Stevinson, CA