condition mean min max 4 h after light 731.5294615 498.616672 964.442251 8 h after light 403.68953999999997 353.073316 454.305764 12 h after light 460.537897 395.462754 525.61304 4 h after dark 694.676956 407.964029 981.389883 8 h after dark 982.1515385 724.155134 1240.147943 12 h after dark 1047.385903 1047.385903 1047.385903