condition	mean	min	max
0 h after light	0.274699	0.0	0.549398
4 h after light	0.0	0.0	0.0
8 h after light	0.1356445	0.0	0.271289
4 h after dark	0.1346545	0.0	0.269309
8 h after dark	0.1361695	0.0	0.272339
12 h after dark	0.0	0.0	0.0