condition	mean	min	max
4 h after light	8.3	8.3	8.3
8 h after light	16.2	3.5	28.9
12 h after light	21.65	21.5	21.8
4 h after dark	16.35	13.9	18.8
8 h after dark	15.799999999999999	3.2	28.4
12 h after dark	31.15	16.9	45.4