condition	mean	min	max
4 h after light	3.575	3.07791	4.07209
8 h after light	1.944515	1.66248	2.22655
12 h after light	0.507605	0.0	1.01521
4 h after dark	1.350255	0.0	2.70051
8 h after dark	1.99319	1.76302	2.22336
12 h after dark	1.612725	1.47434	1.75111