condition mean min max 4 h after light 12.037469999999999 9.33544 14.7395 8 h after light 11.82115 11.6976 11.9447 12 h after light 14.3443 12.6771 16.0115 4 h after dark 15.294166666666667 14.2887 15.9997 8 h after dark 14.945033333333333 14.5098 15.1896 12 h after dark 17.2376 15.5013 18.9453