condition	mean	min	max
4 h after light	2.755915	1.92625	3.58558
8 h after light	6.69198	6.67603	6.70793
12 h after light	8.28429	8.23667	8.33191
4 h after dark	5.904276666666666	4.8233	6.54781
8 h after dark	4.4593	3.84065	4.78172
12 h after dark	4.112376666666666	3.7487	4.51584