condition	mean	min	max
4 h after light	0.01736335	0.0160803	0.0186464
8 h after light	0.0	0.0	0.0
12 h after light	0.03958885	0.0	0.0791777
4 h after dark	0.0306964	0.0209598	0.035924
8 h after dark	0.0082889	0.0	0.0248667
12 h after dark	0.0	0.0	0.0