condition mean min max 4 h after light 281.6823945 271.513439 291.85135 8 h after light 235.896475 216.693595 255.099355 12 h after light 248.709404 221.338527 276.080281 4 h after dark 190.7720525 181.413446 200.130659 8 h after dark 192.590513 143.462209 241.718817 12 h after dark 260.038821 260.038821 260.038821