...
Here are plots of the 3 files at 1990-01-01 00:00 UTC:
API method (in °C):
GUI NetCDF format (in K):
GUI GRIB format (in K):
We use R raster::extract() to overlay the point location to the rasters (but we have the same results in QGIS).
Differences between the 2 NetCDF files:
Differences between NetCDF and GRIB files:
Is there any reason why we see small differences between the separate files? Max difference is in the order of 0.8°C 1°C (between API and GUI) over the month of January, but this is a little concerning for reproducibility's sake.
...