condition	mean	min	max
4 h after light	0.002220085	0.0	0.00444017
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0027232000000000003	0.0	0.0081696
8 h after dark	0.0040941	0.0	0.0122823
12 h after dark	0.0	0.0	0.0