condition	mean	min	max
4 h after light	22.34755	19.2402	25.4549
8 h after light	13.651499999999999	12.3408	14.9622
12 h after light	12.60775	12.2059	13.0096
4 h after dark	17.036099999999998	16.5997	17.4725
8 h after dark	22.758699999999997	22.0983	23.4191
12 h after dark	22.55655	22.3031	22.81