CLIMATOLOGY. 



77 



have been made with one of Mr. Cook's thermometers, duly com- 

 pared with the Meteorological, Society's standard, and the results 

 obtained have been reported in Mr. Glaisher's tables since the 

 commencement of their issue. The following table gives the 

 result of both sets of observations and also the temperatures of 

 Greenwich, Exeter, Leeds and Edinburgh, the latter all taken 

 either direct or at second hand, through Mr. Eowe's tables in 

 Morton's Cyclopaedia of Agriculture, from Mr. Glaisher's reports. 



MEAN TEMPERATURES IN THE SHADE. 



Months. 



YORK. 

 J. Gray. 

 25 years. 



YORK. 



J. Ford. 

 20 years. • 



EDINBURGH. 



Horsburgh. 

 6 years. 



LEEDS. 



H. Denny. 

 10 years. 







EXETER. 



Mr. Ellis. 

 8 years. 



January 



34-8 

 37-3 

 407 

 47-6 

 54-5 

 59'2 

 62 'O 

 6ri 



55 7 

 48-2 

 40-9 

 36 "0 



36-5 

 37-1 

 40-2 



45-1 

 51-5 

 57-3 

 597 

 59-1 

 54-2 



47-9 



40"2 



37-2 



397 

 397 

 42-5 

 44 "6 

 51-5 

 57-5 

 59-8 

 59-6 

 55-4 

 49-6 

 427 

 40-4 



39-8 

 38-4 

 42-2 

 46-6 

 51-4 

 58-5 

 61 -5 

 60 -8 

 561 



50"2 



42 '6 

 40-4 



36-1 

 38-3 

 40-9 



45-8 

 52-5 

 58-1 

 61-4 

 607 

 56-4 



49-9 

 42-4 

 39-0 



41-3 

 41-0 



437 

 47-8 

 53-1 

 58-3 

 62-2 

 62-2 

 58-3 

 527 

 44-3 

 42-4 



February 



March 



April 



May 



June 



Tulv 



August 



September ... 



October 



November ... 

 December 



Mean of the 

 whole year. 



48-2 



47-2 



48-6 



49 "0 48-5 



1 



50-6 



January, it will be observed, is according to both the authorities 

 for York the coldest and July the warmest month of the year, 

 and between these termini there is a regular advance and retro- 

 gression. If we divide the year into seasons of three months 

 each, reckoning Dtcember, January and February to be the 

 months of winter, and for York take the mean of the two rows 

 of figures which have been given, we shall obtain the following 

 result. 



April 1888. 



