condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.07493766666666667 0.0 0.224813 9 h after light 0.0 0.0 0.0 12 h after light 0.03226643333333334 0.0 0.0967993 3 h after dark 0.0 0.0 0.0 6 h after dark 0.081804 0.0 0.245412 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0