Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Mountain Peak | State | Mountain Range | Location |
| --- | --- | --- | --- | --- |
| 1.0 | Mount McKinley ( Denali ) | Alaska | Alaska Range | 63.0690°N 151.0063°W |
| 2.0 | Mauna Kea | Hawaii | Island of Hawai ʻ i | 19.8207°N 155.4680°W |
| 3.0 | Mount Whitney | California | Sierra Nevada | 36.5786°N 118.2920°W |
| 4.0 | Mount Mitchell | North Carolina | Blue Ridge Mountains | 35.7650°N 82.2652°W |
| 5.0 | Mount Washington | New Hampshire | White Mountains | 44.2705°N 71.3032°W |
| 6.0 | Mount Rainier | Washington | Cascade Range | 46.8529°N 121.7604°W |
| 7.0 | Mount Elbert | Colorado | Sawatch Range | 39.1178°N 106.4454°W |
| 8.0 | Shishaldin Volcano | Alaska | Unimak Island | 54.7554°N 163.9709°W |
| 9.0 | Tanaga Volcano | Alaska | Tanaga Island | 51.8839°N 178.1414°W |
| 10.0 | Mount Chamberlin | Alaska | Brooks Range | 69.2775°N 144.9107°W |
| 11.0 | Magazine Mountain | Arkansas | Ouachita Mountains | 35.1671°N 93.6447°W |
| 12.0 | Mount Shasta | California | Cascade Range | 41.4092°N 122.1949°W |
| 13.0 | Gannett Peak | Wyoming | Wind River Range | 43.1842°N 109.6542°W |
| 14.0 | Mount Osborn | Alaska | Seward Peninsula | 64.9922°N 165.3294°W |
| 15.0 | Mount Igikpak | Alaska | Brooks Range | 67.4129°N 154.9656°W |
| 16.0 | Humphreys Peak | Arizona | San Francisco Peaks | 35.3464°N 111.6780°W |
| 17.0 | Wheeler Peak | Nevada | Snake Range | 38.9858°N 114.3139°W |
| 18.0 | Mount Vsevidof | Alaska | Umnak Island | 53.1256°N 168.6938°W |
| 19.0 | Mount Veniaminof | Alaska | Alaska Peninsula | 56.2194°N 159.2975°W |
| 20.0 | Kawaikini | Hawaii | Island of Kaua ʻ i | 22.0586°N 159.4973°W |
| 21.0 | Dillingham High Point | Alaska | Kuskokwim Mountains | 60.1159°N 159.3241°W |
| 22.0 | Hall Island High Point | Alaska | Hall Island | 60.6647°N 173.0887°W |
| 23.0 | Tooth Benchmark | Alaska | Saint Lawrence Island | 63.5920°N 170.3804°W |
| 24.0 | Spruce Knob | West Virginia | Allegheny Mountains | 38.6999°N 79.5328°W |
| 25.0 | Kings Peak (Utah) | Utah | Uinta Mountains | 40.7763°N 110.3729°W |
| 26.0 | Sierra Blanca Peak | New Mexico | Sacramento Mountains | 33.3743°N 105.8087°W |
| 27.0 | San Gorgonio Mountain | California | San Bernardino Mountains | 34.0992°N 116.8249°W |
| 28.0 | Katahdin | Maine | Longfellow Mountains | 45.9044°N 68.9213°W |
| 29.0 | Peak 4030 | Alaska | Nulato Hills | 64.4535°N 159.4152°W |
| 30.0 | Mount Baldy | Arizona | White Mountains | 33.9059°N 109.5626°W |
| 31.0 | Borah Peak | Idaho | Lost River Range | 44.1374°N 113.7811°W |
| 32.0 | Mount Roberts | Alaska | Nunivak Island | 60.0280°N 166.2627°W |
| 33.0 | Cloud Peak | Wyoming | Bighorn Mountains | 44.3821°N 107.1739°W |
| 34.0 | Harney Peak | South Dakota | Black Hills | 43.8658°N 103.5324°W |
| 35.0 | Slide Mountain | New York | Catskill Mountains | 41.9992°N 74.3859°W |
| 36.0 | Mount Griggs | Alaska | Alaska Peninsula | 58.3534°N 155.0958°W |
| 37.0 | Charleston Peak ( Mount Charleston ) | Nevada | Spring Mountains | 36.2716°N 115.6956°W |
| 38.0 | Junipero Serra Peak | California | Santa Lucia Range | 36.1457°N 121.4191°W |
| 39.0 | Mount Baker | Washington | Cascade Range | 48.7768°N 121.8145°W |
| 40.0 | Mount Marcy | New York | Adirondack Mountains | 44.1127°N 73.9237°W |
| 41.0 | Mount Hayes | Alaska | Alaska Range | 63.6203°N 146.7178°W |
| 42.0 | Mount Marcus Baker | Alaska | Chugach Mountains | 61.4374°N 147.7525°W |
| 43.0 | Sacajawea Peak | Oregon | Wallowa Mountains | 45.2450°N 117.2929°W |
| 44.0 | Steens Mountain | Oregon | Steens Mountain | 42.6364°N 118.5767°W |
| 45.0 | Mount Fairweather ( Fairweather Mountain ) | Alaska British Columbia | Saint Elias Mountains | 58.9064°N 137.5267°W |
| 46.0 | Delano Peak | Utah | Tushar Mountains | 38.3692°N 112.3714°W |
| 47.0 | Black Mountain | Alaska | Brooks Range | 68.5598°N 160.3281°W |
| 48.0 | Mount Tozi | Alaska | Ray Mountains | 65.6865°N 150.9498°W |
| 49.0 | Mount Olympus | Washington | Olympic Mountains | 47.8013°N 123.7108°W |
| 50.0 | Blanca Peak | Colorado | Sangre de Cristo Mountains | 37.5775°N 105.4856°W |
Question:
What is the average rank of a mountain range located in Maine?
Answer:
28.0