ABSTRACT FOR THE MONTH OF APRIL, 1890. 



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



iiikk;,i<;.iii:j'j;i;. 



Mean. Mas. Min. 



>-17 



37. 





48. 





48 



J. 88 



30. 





45- 







.So 









.87 





j. 17 



58. 



=5 



57- 



• 87 







46 



•*7 





■"S 



49. 





54- 



•47 





■ 77 



tu- 





rn < 





54' 





49' 



7i 



53- = 





4°-. 



■ ss 



54. c 



■^7 

 •43 



59-< 

 49- 



*BAROHETER. 



'5-94 I 20.9435 



29.S74 

 30-158 

 30. 284 

 30-123 



§Range. i vapour. 



ANALYSIS OF WIND RECORD. 



N.E. I 



liiTitfL-sf velocity in gusts 4!» 



the 10th. 



Ke-Ltlt;mt mileage, 5,760. 



Resultant direction. S. 6l°5 W. 

 Total mileage, 12.901. 



Average, mileage per hour 16.94. 



reduced to sea-level and 



9 Observed. 



t Pressure of vapour 



I Humidity relative, 



was 66-9 on the 23rd ; thi 

 Sl.l on the 2nd, giving ; 

 of 45. S aV--ree*-. \V';inn[., 

 as theaJnl. Coldest day w;is thelsili. i]i,,-| (t 



n the 4th 

 n the 15th. 

 Knin fell <: 



Minimum relative huiuidity 



12 days. 



'fell on 13 days. 

 Auroras were observed on 3 n 

 Lunar halo on 1 night. 

 Fogs on 2 days. 



Rain c 



elative humidity 



