condition	mean	min	max
4 h after light	678.3	678.3	678.3
8 h after light	707.3	549.5	865.1
12 h after light	763.8	683.9	843.7
4 h after dark	507.2	340.9	673.5
8 h after dark	455.6	402.0	509.2
12 h after dark	299.5	185.4	413.6