condition	mean	min	max
4 h after light	7.499855	7.20883	7.79088
8 h after light	9.330545	8.99709	9.664
12 h after light	9.483735	8.72017	10.2473
4 h after dark	11.49545	11.113	11.8779
8 h after dark	9.729795	9.41189	10.0477
12 h after dark	8.965595	8.4298	9.50139