condition	mean	min	max
4 h after light	15.0	15.0	15.0
8 h after light	22.0	17.2	26.8
12 h after light	37.1	23.3	50.9
4 h after dark	31.25	22.4	40.1
8 h after dark	20.55	12.4	28.7
12 h after dark	23.900000000000002	13.1	34.7