METEOROLOGICAL OBSERVATIONS AT CHISWICK IN 1902. 107 9 



Diagram 2. — Here (fig. 257) the most noteworthy feature as affecting 

 vegetation was the unusual coldness of the days in May, as compared 



DIAGRAM 2 . Va/mtwrt from, the average in the mean ma^oama & 

 mean, minima temperatures of (he air for each rrwrah during the Year 1902. 



Fig. 257. 



with the nights — which were, as a rule, only moderately cold. In January 

 and February the departures from the average in temperature were the 



