condition	mean	min	max
4 h after light	537.8	537.8	537.8
8 h after light	651.75	615.1	688.4
12 h after light	675.9	630.0	721.8
4 h after dark	613.25	590.6	635.9
8 h after dark	555.1	454.6	655.6
12 h after dark	468.0	447.2	488.8