condition	mean	min	max
4 h after light	3.9418866666666665	2.17242	5.67848
8 h after light	3.330207	0.965761	5.58556
12 h after light	5.737996666666667	3.88662	8.07967
4 h after dark	7.88455	5.66437	9.07488
8 h after dark	8.230879999999999	5.20789	10.2002
12 h after dark	7.118503333333333	6.30019	8.02622