condition mean min max 4 h after light 156.6308955 113.308123 199.953668 8 h after light 192.6820475 174.147006 211.217089 12 h after light 167.4560795 135.934011 198.978148 4 h after dark 143.897601 133.409299 154.385903 8 h after dark 139.5071055 115.22334 163.790871 12 h after dark 113.719685 113.719685 113.719685