ABSTRACT FOR THE MONTH OF OCTOBER, 1898. 



Meteorological Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet, C. H. McLEOD, Superintendent. 



Sunday g 



THERMOMETER. 



73-8 



n-7 



62. 





49. 



50-7 

 56.6 



38. 



59.6 



47. 



•i».8 



34. 



4S.(. 



30. 





40 



57-7 





42.5 

 43.7 



33- 

 36. 



49.6 



36. 



48.7 



32. 





3". 





34. 



SI. 2 

 .'il.4 



% 







550 



44. 



li:\ 



44. 



58.9 



49. 



46.7 



11 



42 



3". 



44-9 



34. 



BAROMETER. 



485 



931 



937 

 90S 

 758 



295 



106 

 835 

 219 



080 

 998 

 429 

 440 

 253 



Me 

 velocity 

 in mil! 



13.29 

 29 



30 SUNDA 



ANALYSIS OF WIND RECORD. 



Duration in hr; 

 Mean velocity. , 



Greatest miloage i 



Resultant tuileago, 48. 

 Resultant direction, S. S 

 Total mileage, 9,842. 

 Average velocity 13.23 m, 



• Barometer readings reduced to sea-level and 

 temperature 32*' Fahrenheit. 



§ Observed. 



t Presaure of vapour in inches of mercury. 



X Humidity relative, saturation being 100. 



If 17 years only, a 12 years only. 



The greatest heat was 73.*'9 on the 4th ; the 

 greatest cold wai 28.°3 on the 2'Jth, giving a 

 range of temperature of 45.6 degrees. 



Warmest day was the 3rd Coldest day was 

 the 28th. Highest barometerreading was 30-485 on 

 the 28th. Lowest barometer was 29.219 on the 22nd, 

 giving a range of 1-266 inches. 



tive humidity ^ 



26th. Minimuc 



9th and 10th. 



Rain fell on 



Snow fell 01 



Rainorsno' 



nights. 



Hour frost i 



16 days. 



I 2 days. 



7 fell on 16 days. 



a on 1 night. Lunar halo; 



n 4 days. Fog on 10 days. 



