condition	mean	min	max
4 h after light	872.5	872.5	872.5
8 h after light	621.25	429.0	813.5
12 h after light	422.85	418.4	427.3
4 h after dark	293.85	219.4	368.3
8 h after dark	250.8	245.8	255.8
12 h after dark	555.1	339.5	770.7