condition mean min max 2 h after light 0.05146066666666666 0.0 0.308764 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.08563383333333334 0.0 0.513803 2 h after dark 0.0 0.0 0.0