condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	29.6	27.3	31.9
12 h after light	26.45	8.9	44.0
4 h after dark	39.6	24.5	54.7
8 h after dark	10.4	5.5	15.3
12 h after dark	11.2	2.4	20.0