condition	mean	min	max
4 h after light	0.01083125	0.0	0.0216625
8 h after light	0.01200365	0.0	0.0240073
12 h after light	0.01522935	0.0	0.0304587
4 h after dark	0.0110551	0.0	0.0331653
8 h after dark	0.0507206	0.0	0.0819817
12 h after dark	0.0063781	0.0	0.0191343