Cumulus Support

Hello,

i have a problem the dewpoint of my station is most off the time in -, a friend of my 100 meters away has complet other degrees, also the weatherstation Ede. What can be wrong in my setting ?
Staion is a fine offset his station is the same.

My station
http://dutch.wunderground.com/weatherst ... GELDERL114

Station Ede.
http://dutch.wunderground.com/weatherst ... IGELDERL88

Do you mean that it is negative (below zero)? That's because your relative humidity is low. Stations near you are showing much higher RH readings, so assuming that you don't have any calibration settings for RH in Cumulus, the most likely explanation is that your RH sensor is faulty.