condition mean min max 0 h after light 15.04485 14.7714 15.3183 2 h after light 14.4331 13.1686 15.6976 4 h after light 12.3002 11.4407 13.1597 8 h after light 14.9452 14.2053 15.6851 12 h after light 20.424599999999998 19.9457 20.9035 2 h after dark 17.87275 16.5341 19.2114 4 h after dark 15.81045 14.3275 17.2934 8 h after dark 20.0367 19.0533 21.0201 12 h after dark 19.913400000000003 19.1672 20.6596