condition	mean	min	max
4 h after light	12.123899999999999	10.6263	13.6215
8 h after light	6.548690000000001	6.24417	6.85321
12 h after light	1.847585	1.7044	1.99077
4 h after dark	3.26123	3.14621	3.47551
8 h after dark	3.012446666666667	2.89508	3.14556
12 h after dark	6.08952	5.71982	6.71815