condition	mean	min	max
4 h after light	65.0	65.0	65.0
8 h after light	75.3	55.5	95.1
12 h after light	31.15	19.2	43.1
4 h after dark	49.2	21.6	76.8
8 h after dark	57.9	52.4	63.4
12 h after dark	55.05	40.5	69.6