condition	mean	min	max
4 h after light	10.439045	9.90709	10.971
8 h after light	5.61182	5.31423	5.90941
12 h after light	3.152475	2.60575	3.6992
4 h after dark	3.81856	3.5838	3.9966
8 h after dark	8.97052	8.30514	9.38773
12 h after dark	10.844886666666666	9.85266	11.4935