condition	mean	min	max
4 h after light	3.092895	3.08087	3.10492
8 h after light	3.24152	3.22104	3.262
12 h after light	3.74851	3.51126	3.98576
4 h after dark	5.364465	5.32866	5.40027
8 h after dark	4.327525	4.1111	4.54395
12 h after dark	4.15808	4.09409	4.22207