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 0.008977766666666666 0.0 0.0269333 12 h after light 0.0 0.0 0.0 3 h after dark 0.0129716 0.0 0.0389148 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