0 0 LESS THAN 1° OF LATITUDE
1 1 1° TO LESS THAN 2° OF LATITUDE
2 2 2° TO LESS THAN 3° OF LATITUDE
3 3 3° TO LESS THAN 4° OF LATITUDE
4 4 4° TO LESS THAN 5° OF LATITUDE
5 5 5° TO LESS THAN 6° OF LATITUDE
6 6 6° TO LESS THAN 7° OF LATITUDE
7 7 7° TO LESS THAN 8° OF LATITUDE
8 8 8° TO LESS THAN 9° OF LATITUDE
9 9 9° OF LATITUDE OR MORE
10 10 UNDETERMINED
15 15 MISSING VALUE
