condition	mean	min	max
4 h after light	17.683612500000002	16.376346	18.990879
8 h after light	17.5446515	17.514466	17.574837
12 h after light	16.0061575	15.919398	16.092917
4 h after dark	15.5547815	14.192085	16.917478
8 h after dark	13.787904000000001	12.967268	14.60854
12 h after dark	16.678515	16.678515	16.678515