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 0.0184946 0.0 0.0554838 12 h after light 0.011751575 0.0 0.0470063 3 h after dark 0.024160333333333336 0.0 0.072481 6 h after dark 0.05496533333333333 0.0 0.164896 9 h after dark 0.024829166666666666 0.0 0.0744875 12 h after dark 0.0 0.0 0.0