condition	mean	min	max
0 h after light	3.739515	3.51622	3.96281
4 h after light	4.9333	4.0446	5.822
8 h after light	3.45446	3.43016	3.47876
4 h after dark	2.883505	2.87782	2.88919
8 h after dark	3.26241	2.74157	3.78325
12 h after dark	3.32694	3.21887	3.43501