METEOROLOaiCAL OBSERVATIONS MADE AT CHISWICK IN 1900. 359 
Diagram 2. — Here the most noteworthy feature is the unusual 
warmth of the weather in July and December during the daytime. In the 
latter month the nights were also as exceptionally warm. 
DIAGRAM 2 
Fig. 169. 
Diagram 3. — It will be seen that in the coldest month (February) the 
soil at 4 ft. deep was 4 degrees warmer than the air, at 2 ft. deep 
