condition	mean	min	max
4 h after light	17.3824815	16.402504	18.362459
8 h after light	16.549722	16.211592	16.887852
12 h after light	21.021464	17.564749	24.478179
4 h after dark	22.936547	20.263428	25.609666
8 h after dark	24.437694	20.589972	28.285416
12 h after dark	27.386308	27.386308	27.386308