condition	mean	min	max
4 h after light	2.45566	2.03848	2.87284
8 h after light	2.20405	1.89519	2.51291
12 h after light	2.636695	2.37528	2.89811
4 h after dark	3.0531333333333333	1.21351	5.42238
8 h after dark	2.8079733333333334	1.46595	4.69082
12 h after dark	2.902950274	8.22e-07	5.29544