condition	mean	min	max
4 h after light	2.07189	0.0	4.14378
8 h after light	1.69175	0.0	3.3835
12 h after light	2.06616	0.0	4.13232
4 h after dark	1.805925	0.0	3.61185
8 h after dark	0.0	0.0	0.0
12 h after dark	1.781935	0.0	3.56387