322 



FORESTRY INVESTIGATIONS I T . S. DEPARTMENT OF AGRICULTURE. 



Air ttmjtnatures in faesU and open fiehh 

 Minimum Maximum 



Fntzen, 



Kurwien, 



Carlsberg, 



Eberswalde, - 

 Sdnmedefeld, - 

 Friedrichsrocle 

 Sonneriberg, - 

 Marfenthal 

 Lint 7 eL - - 



Haderslebeiu - 



Srfioo, 



Lahnhof, 



Hollerafh, 



St Johann 



Eagenau, 



Neumath, 



Melkerei, 



Average, 









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Fig 53— Forest air tempeiature difierenoes (W—O) German stations Mean annual (cross 

 bar), maxima (below zero lme), minima (above zero line), and ringe (length of lines) 



