condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00771055 0.0 0.0154211 12 h after light 0.09397575 0.0749475 0.113004 4 h after dark 0.35702449999999997 0.279852 0.434197 8 h after dark 0.1026832 0.0981224 0.107244 12 h after dark 0.04102775 0.0 0.0820555