condition	mean	min	max
4 h after light	18.21445	17.4563	18.9726
8 h after light	19.74945	19.5371	19.9618
12 h after light	19.5563	19.3485	19.7641
4 h after dark	24.881999999999998	24.7897	24.9743
8 h after dark	25.1659	24.1664	26.1654
12 h after dark	22.47455	22.4035	22.5456