condition mean min max 4 h after light 185.131157 181.795379 188.466935 8 h after light 178.2269875 164.419861 192.034114 12 h after light 195.90149 159.563788 232.239192 4 h after dark 230.006941 187.463163 272.550719 8 h after dark 214.890021 208.932601 220.847441 12 h after dark 225.847441 225.847441 225.847441