condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.036565 0.0 0.109695 9 h after light 0.031199233333333336 0.0 0.0935977 12 h after light 0.0 0.0 0.0 3 h after dark 0.04675566666666667 0.0 0.140267 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0