condition	mean	min	max
4 h after light	3.326635	2.77624	3.87703
8 h after light	2.839905	2.33261	3.3472
12 h after light	2.4345299999999996	2.0349	2.83416
4 h after dark	3.180155	3.11255	3.24776
8 h after dark	7.460675	5.91916	9.00219
12 h after dark	6.1346799999999995	3.7732	8.49616