condition	mean	min	max
4 h after light	869.8	869.8	869.8
8 h after light	674.3	660.4	688.2
12 h after light	647.4	643.8	651.0
4 h after dark	775.85	672.5	879.2
8 h after dark	782.2	756.9	807.5
12 h after dark	774.9	755.0	794.8