ON THE SEASONAL VARIATIONS OF TEMPERATTJEE. 473 



Observations of Temjierature at Driffield, Torkshire, 1891. 



C. Observations regularly made for the Committee. 



The remainder of the observations have been specially taken from the 

 commencement for the Committee, and are recorded in the manner 

 already explained. The curves expressing -weekly means are inserted in 

 the text, except Curves XX. and XXIII., which are shown on Plate XVI. 

 In a few instances the monthly means have been calculated from the 

 daily readings by the observers, and discussed more or less comjDletely. 



Rochdale Reseevoies. 



Full particulars of the situation of the reservoirs are given in Mr. 

 Ashworth's report of the work done on them, and the corresponding 

 curves of weekly means are given as No. I. and II. ; the true monthly 

 means, calculated from daily observations, are entered below : — 



Discussion of Temperature Observations of Air and Water at Cowm and 

 Spring Mill Reservoirs. By Mr. J. Reginald Ashworth. 



In furtherance of the work of the Committee, and under the auspices 

 of the Rochdale Literary and Scientific Society, observations are being 



