condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.20641333333333334 0.0 0.45716 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.3476376666666667 0.0 0.745123 12 h after dark 0.0 0.0 0.0