condition	mean	min	max
4 h after light	7.0	7.0	7.0
8 h after light	13.0	6.4	19.6
12 h after light	16.25	2.7	29.8
4 h after dark	15.149999999999999	4.1	26.2
8 h after dark	6.3500000000000005	2.9	9.8
12 h after dark	6.15	3.7	8.6