condition	mean	min	max
4 h after light	13.2111	13.1679	13.2543
8 h after light	8.50367	6.30814	10.6992
12 h after light	9.4499	9.1128	9.787
4 h after dark	11.326993333333334	8.53968	14.4287
8 h after dark	11.376100000000001	10.5044	12.8611
12 h after dark	10.292573333333333	7.98302	12.879