condition	mean	min	max
4 h after light	8.9	8.9	8.9
8 h after light	24.25	19.6	28.9
12 h after light	14.5	3.3	25.7
4 h after dark	22.25	9.8	34.7
8 h after dark	17.15	10.7	23.6
12 h after dark	26.4	16.7	36.1