condition mean min max 4 h after light 10.71472 9.10544 12.324 8 h after light 10.8158 10.7586 10.873 12 h after light 9.945435 9.70637 10.1845 4 h after dark 10.5771 10.2797 10.8521 8 h after dark 10.863299999999999 10.633 11.0694 12 h after dark 10.872133333333334 9.8737 11.522