Pick a year and a range, then move your mouse or finger over the chart. "Compare years" places different summers' water temperatures on one axis to line them up.
Over the last 45 measurements the water temperature at Türi tehisjärv has fallen: from 23 °C to 22 °C (lowest 20 °C, highest 23 °C).
Rent SUP boards from a Suppy self-service locker, open 24/7. Nearest rental points:
Rent a SUPGreen. The water is calm, conditions are good and the water is above 18 °C. Safe for swimming.
Yellow. Water 16–18 °C, or strong wind, high waves or unstable weather at the same time.
Red. Water below 16 °C, strong wind or high waves. Swimming is not advised.
Red-yellow. The area between the flags is supervised by a lifeguard.
Purple. Water pollution. With a purple flag, swimming is not advised.