condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.005515733333333334 0.0 0.0165472 8 h after dark 0.0 0.0 0.0 12 h after dark 0.016930633333333334 0.0 0.0507919