384 Dr BREWSTER on the Register of the Thermometer kept 



Even with the addition of the minimum, it appears that the 

 mean temperature of these hours errs in excess. 



IV. On the average Daily Range for each Month. 



In a climate so variable as that of Scotland, the daily range 

 of the thermometer is often very great, both in winter and in 

 summer ; but the average daily range which we propose now to 

 notice, is the measure of the daily change of temperature for 

 each month, and will of course bear some relation to the sun's; 

 declination, as appears from the following Table : 



TABLE, showing the average Daily Range of Temperature for each Month, anil 



for the whole Year. 



This column is computed from Table VI. and is not the mean of the two preceding columns. 



