These data are mean values for 1979-1994, interpolated and gridded into 1° x 1° squares for the entire Baltic drainage basin. The variables are Atmospheric pressure, winds, temperature, relative humidity in %, cloudiness in %, and precipitation.

Besides that, we use to get information on weather observations for some sampling cruises where the following variables are included: Wind direction, Wind speed, Air Temp. (dry bulb), Air Temp. (wet bulb), Weather, Light, Cloud, State of the sea, Ice, Secchi.