Ca Reservoir Levels 2025. Major reservoirs across california are performing above or near their historical average, but a dry summer has contributed to falling water levels. From this page you may access additional data pages providing information on precipitation and temperature at statewide and regional scales and on reservoir (daily), streamflow (daily),.
Major reservoirs across california are performing above or near their historical average, but a dry summer has contributed to falling water levels. Water year 2025 statewide mean temperature is shown in dark blue as of october 31, 2024 (left) and displayed for the month of october 2024 (right).