condition	mean	min	max
4 h after light	78.96985000000001	78.6862	79.2535
8 h after light	55.2744	48.1983	62.3505
12 h after light	30.7703	22.6755	38.8651
4 h after dark	32.4945	30.847	35.154
8 h after dark	36.8642	32.8513	40.1087
12 h after dark	74.0193	69.9332	77.1442