condition	mean	min	max
4 h after light	575.8	575.8	575.8
8 h after light	584.3	522.1	646.5
12 h after light	592.9	581.3	604.5
4 h after dark	626.65	532.0	721.3
8 h after dark	643.8	633.4	654.2
12 h after dark	658.45	612.9	704.0