condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.17137 0.0 0.51411 12 h after light 0.074378 0.0 0.223134 4 h after dark 0.08304166666666667 0.0 0.249125 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0