SUMMER the temperatures range from 4 degrees C (39 degrees F) at the bottom to 22 degrees C (72 degrees F). In the thermocline the temperature of the water changes rapidly. During the spring and the fall the bottom and top layers mix due to winds. This makes the water range from 4 degrees C(39 degrees F).
WINTER the water ranges from 4 degrees C at the bottom (39 degrees F) and at the top 0 degrees C at the top ( 32 degrees F).