condition	mean	min	max
4 h after light	28.8	28.8	28.8
8 h after light	30.15	17.5	42.8
12 h after light	4.95	2.7	7.2
4 h after dark	3.75	2.9	4.6
8 h after dark	18.8	15.9	21.7
12 h after dark	12.45	9.9	15.0