condition	mean	min	max
4 h after light	463.1	463.1	463.1
8 h after light	430.45	428.7	432.2
12 h after light	610.7	483.7	737.7
4 h after dark	610.05	596.8	623.3
8 h after dark	739.0	657.9	820.1
12 h after dark	545.15	512.3	578.0