Synop (DWD)
external parameters
- winddirection
 - windspeed
 - temperature
 - meltingpoint
 - pressure
 - rainfall_1
 - rainfall_3
 - rainfall_6
 - rainfall_12
 - rainfall_24
 - rainfallduration
 - sunduration
 - snowheight
 - newsnowheight
 - global radiation
 - sunshine duration(last hour)
 
Note that rainfall amounts are given in a unit of 0.1 mm and can be converted to mm per timestep by using Unit+Conversions.