condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0184876 0.0 0.0554628 9 h after light 0.053223433333333334 0.0 0.109881 12 h after light 0.08964615 0.0 0.154444 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0181727 0.0 0.0545181 9 h after dark 0.0154532 0.0 0.0463596 12 h after dark 0.0 0.0 0.0