condition mean min max 4 h after light 10.997626666666667 10.92329 11.06157 8 h after light 10.980756666666666 10.83367 11.09538 12 h after light 11.16941 11.000639999999999 11.347719999999999 4 h after dark 10.985053333333333 10.74258 11.185310000000001 8 h after dark 10.981676666666667 10.86347 11.188460000000001 12 h after dark 10.67477 10.52165 10.799000000000001