condition	mean	min	max
4 h after light	0.0068117	0.0	0.0136234
8 h after light	0.0055619	0.0	0.0111238
12 h after light	0.0090104	0.0	0.0180208
4 h after dark	0.05377875	0.0481848	0.0593727
8 h after dark	0.03272865	0.0	0.0654573
12 h after dark	0.01079086	0.00986492	0.0117168