condition mean min max 4 h after light 13.9239 13.0131 14.8347 8 h after light 28.28395 27.1734 29.3945 12 h after light 29.54185 24.8326 34.2511 4 h after dark 30.894550000000002 29.9926 31.7965 8 h after dark 16.82965 15.0023 18.657 12 h after dark 15.338000000000001 15.2284 15.4476