condition mean min max 3 h after light 0.12814633333333333 0.0 0.384439 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.10919066666666666 0.0 0.327572 3 h after dark 0.08828066666666667 0.0 0.264842 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