condition	mean	min	max
4 h after light	19.2651675	18.524201	20.006134
8 h after light	21.4344635	20.696844	22.172083
12 h after light	21.4637515	17.415922	25.511581
4 h after dark	27.4139515	27.1525	27.675403
8 h after dark	27.8281275	26.529304	29.126951
12 h after dark	22.472447	22.472447	22.472447