condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.03288153333333333 0.0 0.0986446 6 h after dark 0.0 0.0 0.0 9 h after dark 0.019203233333333333 0.0 0.0576097 12 h after dark 0.0 0.0 0.0