condition	mean	min	max
4 h after light	4.6	4.6	4.6
8 h after light	6.5	6.1	6.9
12 h after light	16.299999999999997	15.2	17.4
4 h after dark	10.0	8.2	11.8
8 h after dark	6.300000000000001	3.7	8.9
12 h after dark	4.0	3.6	4.4