condition	mean	min	max
4 h after light	6.76373	6.6958	6.8095
8 h after light	6.11023	5.93727	6.42291
12 h after light	6.044106666666667	5.76201	6.34157
4 h after dark	6.226693333333333	6.07875	6.3393
8 h after dark	7.068649999999999	6.956689999999999	7.178669999999999
12 h after dark	7.501916666666666	7.3173	7.60606