condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.46764 0.0 1.40292 9 h after light 0.4395166666666667 0.0 1.31855 12 h after light 0.6040633333333333 0.0 1.81219 3 h after dark 0.6425666666666666 0.0 1.9277 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