626 LIV. 



ENGLAND. GREENWICH. Lat. 51 29' N. Long. 0'. 



Corrections to be applied to the Means of the Hours of Observation to obtain the fru< 

 Mean Temperatures of the respective Days, Months, and of the Year. GLAISHER. 



Degrees of Fahrenheit. 



F 



The numbers without sign must be added ; those with the sign must be subtracted. 



62 



