condition	mean	min	max
4 h after light	16.4	16.4	16.4
8 h after light	61.25	47.6	74.9
12 h after light	12.5	2.9	22.1
4 h after dark	26.75	12.0	41.5
8 h after dark	31.299999999999997	22.8	39.8
12 h after dark	12.7	4.6	20.8