condition	mean	min	max
4 h after light	0.00840715	0.0	0.0168143
8 h after light	0.0	0.0	0.0
12 h after light	0.0237993	0.0	0.0475986
4 h after dark	0.010582066666666667	0.0	0.0317462
8 h after dark	0.026145133333333334	0.0	0.0448468
12 h after dark	0.03597463333333333	0.0	0.0922695