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