condition	mean	min	max
4 h after light	12.43095	12.1036	12.7583
8 h after light	9.180175	8.98166	9.37869
12 h after light	9.40929	8.9038	9.91478
4 h after dark	10.05166	9.39192	10.7114
8 h after dark	14.15625	13.2612	15.0513
12 h after dark	14.8488	13.8174	15.8802