Lake Colac's ups and downs

Down 30 up 32 Lake Colac rose by approximately 32 mm as a result of heavy rain in the last few days .(rainfall 30mm) So runoff, even from the town's hardsurfacing was insignificant overall. Just shows you how important intensity and longetivity is in producing runoff. The still very wet geelong road area had about twice the rain and twice the hours .

Several very warm days in the week before dropped the level by 30mm