condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.043616666666666665 0.0 0.13085 12 h after light 0.014333533333333334 0.0 0.0430006 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