condition	mean	min	max
4 h after light	3.0808850000000003	2.98434	3.17743
8 h after light	2.90052	2.88073	2.92031
12 h after light	2.7527049999999997	2.65556	2.84985
4 h after dark	2.4032566666666666	2.08641	2.88079
8 h after dark	3.5327533333333334	2.56945	4.06959
12 h after dark	2.9375733333333334	2.1797	3.32328