True if and only if the units are latitude units.
This is the case if and only if the units attribute is one of 'degrees_north', 'degree_north', 'degree_N', 'degrees_N', 'degreeN', and 'degreesN'.
Note that units of 'degrees' are not latitude units.
See also
isdimensionless, islongitude, ispressure, isreftime, istime
| Examples: |
|---|
>>> Units('degrees_north').islatitude
True
>>> Units('degrees').islatitude
False
>>> Units('degrees_east').islatitude
False
>>> Units('kg').islatitude
False
>>> Units().islatitude
False