condition	mean	min	max
4 h after light	7.7	7.7	7.7
8 h after light	5.05	4.3	5.8
12 h after light	12.299999999999999	2.7	21.9
4 h after dark	4.4	4.4	4.4
8 h after dark	16.0	6.5	25.5
12 h after dark	7.5	5.3	9.7