Precipitation codes
The parameters acc_precip, max_precip_past24h, acc_precip_past12h, acc_precip_past24h and max_precip_30m return the amount of precipitation within the given period in mm with the exception of the codes listed below.
| Code | Value |
|---|
| -0.1 | traces of precipitation, less than 0.1 kg/m2 |
Wind direction codes
The parameters mean_wind_dir & mean_wind_dir_min0 return the direction from which the wind blows in degrees, where north is given as 360.
Cloud cover codes
The parameter mean_cloud_cover is reported in oktas (eights) and is the fraction of the sky covered by cloud of any type or height above the ground.
Code | Value |
|---|
| 0 | 0 oktas - no clouds |
| 10 | 1 okta or less, but not zero |
| 25 | 2 oktas |
| 40 | 3 oktas |
| 50 | 4 oktas |
| 60 | 5 oktas |
| 75 | 6 oktas |
| 90 | 7 oktas or more, but not 8 oktas |
| 100 | 8 oktas - full cloud cover with no breaks |
| 112 | Sky obscured by fog and/or other meteorological phenomena |