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 0.029183266666666666 0.0 0.0875498 12 h after light 0.04418033333333333 0.0 0.132541 3 h after dark 0.0 0.0 0.0 6 h after dark 0.066931 0.0 0.200793 9 h after dark 0.0 0.0 0.0 12 h after dark 0.052493000000000005 0.0 0.157479