condition	mean	min	max
4 h after light	18.6	18.6	18.6
8 h after light	10.75	9.3	12.2
12 h after light	11.7	3.9	19.5
4 h after dark	12.899999999999999	3.9	21.9
8 h after dark	20.3	4.5	36.1
12 h after dark	17.1	8.5	25.7