condition mean min max 4 h after light 10.6686575 10.238718 11.098597 8 h after light 10.458670999999999 9.514687 11.402655 12 h after light 11.983684 11.939435 12.027933 4 h after dark 10.8969835 10.391312 11.402655 8 h after dark 13.020458 11.916841 14.124075 12 h after dark 12.11496 12.11496 12.11496