condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.025293899999999998 0.0 0.0758817 12 h after light 0.0166244 0.0 0.0498732 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0