condition mean min max 4 h after light 312.96673899999996 308.624465 317.309013 8 h after light 303.98366899999996 290.847441 317.119897 12 h after light 286.173776 279.286775 293.060777 4 h after dark 290.249577 251.927306 328.571848 8 h after dark 309.337982 252.091964 366.584 12 h after dark 192.385903 192.385903 192.385903