condition mean min max 4 h after light 331.456087 281.742469 381.169705 8 h after light 446.1365785 408.247824 484.025333 12 h after light 525.9543835 434.55569 617.353077 4 h after dark 686.1355169999999 601.678167 770.592867 8 h after dark 631.9006325 472.766347 791.034918 12 h after dark 369.385903 369.385903 369.385903