condition	mean	min	max
0 h after light	12.81425	12.8028	12.8257
4 h after light	7.863275	7.66046	8.06609
8 h after light	7.86979	7.85931	7.88027
4 h after dark	9.260055000000001	7.58281	10.9373
8 h after dark	10.75565	10.1547	11.3566
12 h after dark	10.01177	9.76004	10.2635