condition mean min max 3 h after light 0.03127966666666667 0.0 0.093839 6 h after light 0.0 0.0 0.0 9 h after light 0.023800666666666664 0.0 0.071402 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.042810999999999995 0.0 0.128433