condition	mean	min	max
4 h after light	8.323205	8.18062	8.46579
8 h after light	1.45241	1.11804	1.78678
12 h after light	8.033865	6.94743	9.1203
4 h after dark	10.279953333333333	7.35644	15.7607
8 h after dark	10.536669999999999	4.36386	19.6102
12 h after dark	10.074466666666666	0.0	16.7559