condition mean min max 4 h after light 0.61231 0.0 1.83693 8 h after light 0.0 0.0 0.0 12 h after light 0.23286666666666667 0.0 0.6986 4 h after dark 0.2625113333333333 0.0 0.787534 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0