condition	mean	min	max
4 h after light	552.6	552.6	552.6
8 h after light	527.25	496.8	557.7
12 h after light	522.15	509.9	534.4
4 h after dark	548.65	532.8	564.5
8 h after dark	604.3	570.6	638.0
12 h after dark	564.6	529.1	600.1