condition mean min max 3 h after light 10.676963333333333 8.23036 14.364 6 h after light 12.988800000000001 11.0707 15.5439 9 h after light 11.812023333333332 8.82517 16.1145 12 h after light 15.95965 13.3012 18.7164 3 h after dark 95.84126666666667 87.3888 112.499 6 h after dark 85.6578 80.077 88.7513 9 h after dark 45.58246666666667 38.6009 51.6221 12 h after dark 20.673000000000002 17.8204 23.5256