278 RESULTS OF THE METEOROLOGICAL OBSERVATIONS TAKEN DURING 



west winds, which indicate a local anti-cyclone in winter such as would form over a 

 land surface. 



Mean Barometric Pressure of thk Different Winds at 32° and Sea Level. 



Hence the highest barometric pressure occurs with north winds, calms, and north- 

 west winds, and the lowest with north-east winds, west and south winds being also 

 characterised by low pressures. In cold mouths, such as May, June, and September, 

 the highest pressure is recorded with south-west winds, which seems to point to the 

 presence of land surfaces in that directiou. The diflference between north-east and 

 north winds is well marked, pressure being usually much lower with a north-east than 

 with a north wind. 



Mean Amount of Cloud for ihe Different Winds. Scale 0-10. 



It will be seen that the greatest amount of cloud is recorded with ocean winds from 

 the north-east and north, while the clearest skies occur with austral winds blowing over 

 extensive surfaces of ice. The actual lowest mean is observed with calms. 



