condition mean min max 4 h after light 291.228163 239.608885 342.847441 8 h after light 199.6597025 196.354194 202.965211 12 h after light 192.485572 143.905313 241.065831 4 h after dark 134.17943400000001 133.78312 134.575748 8 h after dark 152.691787 109.536133 195.847441 12 h after dark 141.998382 141.998382 141.998382