condition mean min max 4 h after light 63.552434500000004 58.45911 68.645759 8 h after light 59.237519500000005 47.294273 71.180766 12 h after light 54.293169 49.123647 59.462691 4 h after dark 63.172278999999996 50.900892 75.443666 8 h after dark 82.960442 56.69717 109.223714 12 h after dark 47.328147 47.328147 47.328147