condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.03254895 0.0 0.125746 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.03360133333333334 0.0 0.201608 2 h after dark 0.02314366666666667 0.0 0.138862