condition	mean	min	max
4 h after light	7.343793333333333	4.49441	9.99123
8 h after light	7.44043	1.51751	13.2745
12 h after light	9.08936	5.89588	12.0655
4 h after dark	12.416633333333333	10.0344	14.0162
8 h after dark	11.53383	7.80689	14.3833
12 h after dark	11.402266666666668	10.9122	11.7505