condition	mean	min	max
0 h after light	16.21515	15.9069	16.5234
4 h after light	17.529249999999998	17.4832	17.5753
8 h after light	14.606850000000001	14.0348	15.1789
4 h after dark	16.69075	15.8323	17.5492
8 h after dark	15.58155	14.8896	16.2735
12 h after dark	17.815849999999998	15.6693	19.9624