condition	mean	min	max
4 h after light	6.648205000000001	6.47498	6.82143
8 h after light	7.93837	7.65554	8.2212
12 h after light	9.550245	9.21825	9.88224
4 h after dark	12.326766666666666	11.8729	12.7882
8 h after dark	10.553756666666667	8.59057	12.0477
12 h after dark	9.493336666666668	8.53245	10.2019