condition mean min max 4 h after light 12.3419 12.2055 12.4783 8 h after light 10.644034999999999 9.96777 11.3203 12 h after light 9.311630000000001 8.8061 9.81716 4 h after dark 11.1668 10.9704 11.4072 8 h after dark 12.024433333333334 11.2322 12.6911 12 h after dark 11.041933333333333 10.1449 11.9855