condition	mean	min	max
4 h after light	9.79857	8.72424	10.8729
8 h after light	9.848220000000001	9.61564	10.0808
12 h after light	7.84805	7.80744	7.88866
4 h after dark	11.613566666666667	10.8822	13.0127
8 h after dark	14.067400000000001	13.0608	15.7614
12 h after dark	10.829303333333334	9.26611	12.4792