condition	mean	min	max
4 h after light	15.2368	13.9402	16.5334
8 h after light	5.667365	5.57775	5.75698
12 h after light	7.695765	7.67637	7.71516
4 h after dark	13.468566666666668	12.0149	15.3179
8 h after dark	27.050766666666668	25.8224	28.0146
12 h after dark	25.1627	22.7217	27.5941