WSL/SLF GitLab Repository

Initial commit authored by boehmd's avatar boehmd
This function will extract monthly temperature and precipitation data for a given `StudyArea`. In case the projection differs, the data is transformed to the projection of the `StudyArea` before extracting the data.
The precipitation/temperature file must be stored in the **netCDF** format with the years on the **Z** value.
### Input
| parameter | description | type |
| ------ | ------ | ------ |
| tempFileName | path to the temperature file | `String` |
| precFileName | path to the precipitation file | `String` |
| studyArea | A `StudyArea` object. Obtained with [getStudyArea()](getStudyArea()) | `StudyArea` |
| years | selected years | `numeric vector` |
### Output
Returns a `data.frame` with the columns `lon`, `lat`, `year`, `prec_1` ... `prec_12` and `temp_1`, ... `temp_12`
### Notes
* **monthly** precipitation [cm] and monthly temperature [°C] data is needed
* input data must be stored in the **netCDF** format with years on the **Z** value
### Used in
* [getBioclimate()](getBioclimate())
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