condition	mean	min	max
4 h after light	3.534395	3.33617	3.73262
8 h after light	1.862285	1.76232	1.96225
12 h after light	1.7905799999999998	1.72033	1.86083
4 h after dark	2.1841049999999997	2.17496	2.19325
8 h after dark	2.606335	2.56868	2.64399
12 h after dark	2.64508	2.51814	2.77202