San Mateo C: water temperature now
San Mateo C, current water temperature: 14.4 °C, measured 46 min ago (USGS). With measurement time, trend and source.
Measured, with trend
What the number means
San Mateo C: river in the United States. One official station reports the water temperature here: Lo Crystal Sp Reservoir near San Mateo, California, operated by USGS.
The value comes from a thermometer in the water and is updated continuously; the measurement time is shown with every value. Compared with yesterday: plus 0.1 degrees.
Below 15 degrees the body answers with the cold-shock reflex: an involuntary gasp, racing pulse. Enter slowly, breathe out calmly, never swim alone. The app gives a per-sport verdict and warns when your favourite water drops below your own threshold.
How warm is the water in San Mateo C today?
14.4 °C at station Lo Crystal Sp Reservoir near San Mateo, California, measured 46 min ago.
Where is it measured?
At station Lo Crystal Sp Reservoir near San Mateo, California (USGS). The BrrChecker app shows location, trend and source for every station.
How current are the values?
The station reports continuously, we read it every three hours and show the measurement time with every value.