condition	mean	min	max
4 h after light	17.1	16.6326	17.5674
8 h after light	13.53	13.4111	13.6489
12 h after light	13.4259	13.4198	13.432
4 h after dark	15.7991	14.3346	17.1736
8 h after dark	16.439766666666667	14.6654	19.1922
12 h after dark	17.246366666666667	16.2661	17.9869