condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.05536133333333334 0.0 0.166084 9 h after light 0.108731 0.0 0.207388 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0