293 Meteorological Observations at San Fernando, Cuba. 



Art. XL — Meteorological Observations, made at the Mines of 

 San Fernando, situated in the Partido de la Manicaraqua, 

 Island of Cuba, Lat. 22° 20' 14" N., Lon. 73° 5F 27" W. 

 of Cadiz, at an elevation 554 feet above the sea ; by John H. 

 Blake, of Boston, Mass. 



Barom, Average for the'month, 29.208 

 Maximum altitude, 29.28 



Minimum altitude, 29.10 



Hygrom. Average for the month, 19.1 

 Extreme dryness, 29. 



Extreme moisture, 8.3 



Temp. Mean for the month, 74.9° 

 Maximum in shade, 78. 



Minimum in shade, 60. 



Mean in sun's rays, 92.6 



Maximum in sun's rays, 123. 

 Minimum in sun's rays, 80. 



Rain, &c. 



Total of water deposited during the 

 month, 2.74 inches. 



Greatest quantity that fell in one show- 

 er, 1.20 inches. 



Number of showers, 4. 



Showers with lightning, 1. 



Prevailing wind during the month, eas- 

 terly. 



Prevailing clouds, cumulus. 



