condition	mean	min	max
4 h after light	22.4	22.4	22.4
8 h after light	31.0	25.0	37.0
12 h after light	64.4	50.4	78.4
4 h after dark	42.5	38.1	46.9
8 h after dark	38.3	27.9	48.7
12 h after dark	39.1	24.8	53.4