condition	mean	min	max
4 h after light	8.88637	7.25574	10.517
8 h after light	4.656195	4.32392	4.98847
12 h after light	5.26532	4.92649	5.60415
4 h after dark	4.182603333333334	3.69483	4.58964
8 h after dark	5.937443333333333	5.49942	6.6827
12 h after dark	5.571456666666666	4.71495	6.6525