condition	mean	min	max
4 h after light	6.165595	5.4411	6.89009
8 h after light	6.16535	5.92027	6.41043
12 h after light	6.255555	6.08692	6.42419
4 h after dark	7.5487	7.37801	7.82309
8 h after dark	7.684736666666667	7.20017	8.20399
12 h after dark	5.863293333333333	4.7847	6.56095