condition mean min max 3 h after light 0.4874523333333334 0.0 1.25259 6 h after light 0.15635066666666667 0.0 0.469052 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.09714133333333334 0.0 0.291424 12 h after dark 0.09954833333333334 0.0 0.298645