condition mean min max 4 h after light 11.341363333333334 11.21597 11.44176 8 h after light 11.1551 10.94789 11.264439999999999 12 h after light 11.043223333333334 10.98988 11.12003 4 h after dark 11.04295 10.906310000000001 11.20647 8 h after dark 11.07652 10.739939999999999 11.26491 12 h after dark 11.127396666666666 10.86656 11.32165