condition	mean	min	max
4 h after light	11.4	11.4	11.4
8 h after light	21.2	19.2	23.2
12 h after light	9.75	2.4	17.1
4 h after dark	14.45	12.0	16.9
8 h after dark	25.9	23.4	28.4
12 h after dark	22.799999999999997	20.9	24.7