condition	mean	min	max
4 h after light	472.4	472.4	472.4
8 h after light	420.9	412.3	429.5
12 h after light	459.9	446.0	473.8
4 h after dark	483.7	353.5	613.9
8 h after dark	440.8	402.5	479.1
12 h after dark	349.8	343.3	356.3