condition	mean	min	max
4 h after light	40.0	40.0	40.0
8 h after light	48.25	45.2	51.3
12 h after light	37.45	30.8	44.1
4 h after dark	43.2	37.1	49.3
8 h after dark	34.45	34.4	34.5
12 h after dark	21.65	7.0	36.3