condition	mean	min	max
4 h after light	4.34132	4.23133	4.45131
8 h after light	3.65187	2.98301	4.32073
12 h after light	3.732365	3.43663	4.0281
4 h after dark	4.85487	4.28792	5.4437
8 h after dark	4.994726666666667	4.24937	5.60805
12 h after dark	4.1642399999999995	3.85513	4.47392