condition	mean	min	max
4 h after light	3.77644	1.70063	5.85225
8 h after light	1.89762	1.38401	2.41123
12 h after light	0.6997125	0.558033	0.841392
4 h after dark	2.557845	2.54173	2.57396
8 h after dark	4.005555	3.31684	4.69427
12 h after dark	3.074085	2.17695	3.97122