condition	mean	min	max
4 h after light	7.039566499999999	6.530301	7.548832
8 h after light	7.5091395	6.770019	8.24826
12 h after light	7.232946999999999	6.951511	7.514383
4 h after dark	7.514383	7.514383	7.514383
8 h after dark	8.6407515	8.446746	8.834757
12 h after dark	7.696916	7.696916	7.696916