condition	mean	min	max
4 h after light	6.64081	5.55913	7.72249
8 h after light	5.573729999999999	2.7024	8.44506
12 h after light	4.939375	4.37794	5.50081
4 h after dark	5.81822	4.80797	6.82847
8 h after dark	9.341529999999999	6.26446	12.4186
12 h after dark	8.588425	7.59058	9.58627