15 - use case: map climate data to Landkreise

Shapefile of Landkreis districts:
https://public.opendatasoft.com/explore/dataset/landkreise-in-germany/export/ (file size 4 MB, unzipped 10 MB)

15.2 Average data per district

Running analysis for a few selected districts only to reduce computation time.
Monthly rainfall average per Landkreis.

## Warning: No rainfall data available for Landkreis 300: Offenbach
MESS_DATUM Hohenlohekreis Bodenseekreis Offenbach Berlin
2017-12-15 90.8 94.4 39.9 
2018-01-15 125   115   67.8 
2018-02-15 24.8 53.3 3.18
2018-03-15 46.8 51.1 47.7 
2018-04-15 37.8 11.7 35.6 
2018-05-15 60.1 62.2 20.3