METEOROLOGICAL OBSERVATIONS AT CHISWICK IN 1903. 549 



1826-69 (referred to in Vol. xxiii. page 391), was not available for this 

 purpose, as it gives no maxima or minima temperatures. The rainfall 



Diagram 2. — Variation from the A verage in the Mean Maxima and Mean 

 Minima Temperatures of the Air for each Month during the Year 1903. 



Fig. 161. 



averages used in diagram 1 are, however, those given by Mr. Glaisher for 

 the forty-four years ending 1869 at Chiswick. 



