16G 



THE CLIMATE OF ST. MARYS COUNTY 



Tables XVIII and XIX give the means of the maximum and mini- 

 mum temperatures at Charlotte Hall. The mean maximum temperature 



Fig. 9. — Temperature curves for Charlotte Hall, (a) mean maximum, (b) 

 average, (c) mean minimum. 



is found to be 66.-1°, the mean minimum, 41.7° ; tliereforc the mean 

 daily range of temperature is 21.7°. The mean mnximum temperature 

 occasionally exceeds 90° and readied tlie rather liiali fioure 95.1° in 



