condition mean min max 0 h after light 11.0093 10.6199 11.3987 4 h after light 11.057205 8.97481 13.1396 8 h after light 9.88637 9.26604 10.5067 4 h after dark 20.53915 14.9001 26.1782 8 h after dark 21.3896 19.4243 23.3549 12 h after dark 16.607100000000003 15.1509 18.0633