condition	mean	min	max
4 h after light	4.724805	4.31885	5.13076
8 h after light	3.23181	2.95667	3.50695
12 h after light	2.14264	1.30557	2.97971
4 h after dark	5.537063333333333	4.76596	6.10168
8 h after dark	4.82697	2.67565	6.76234
12 h after dark	3.7689133333333333	3.0236	4.25167