ABSTRACT FOR THE MONTH OF APRIL, 1906. 



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



THIJ'MOMhTt.l'. 



• BAROMETER. 



50.14 



30. 2B 



29.75 





29.75 





29.42 





»9o9 



39.64 





29.72 



29.72 



29-74 



29.62 





29.67 



29.74 



29.7a 



29.85 



29.70 



29.84 



29-75 



29.80 



=9-75 





29.52 



29 66 



29.52 



29.70 



30. 28 



30-33 



30.10 



30.32 



n 93 



30.07 





29.74 





29-77 





29.87 



29.59 



29.70 



N.W. 

 N.W. 

 N.W. 







'■34 







2.28 



3 for and including 



ANALYSIS OF WIND RECORD. 



Uroatcst mileage i 

 tlroatcst velocity ... „. 

 Iloivltitnt milcHKo K,:isr, 



Kesultaut direction, N.7»°\V. 

 Total mileage, 12,683. 



t Mt 



of bi-hourly readings taken from 



self-recording instruments. 



1 Humidity relative, saturation being 1 

 Mean of observations at 8, 15 and 20 hours. 



\ 24 years only. il9years only. 



The greatest heat was 68.2' above zero on 1 

 28th. , Tho greatest cold was 21.0" above zero 

 tho 2nd, giving a range of temperature 



Wart 

 the 2nd. 





i the 28th. Coldest day i 



Highest barometer reading won 

 2nd; lowest barometer was 29.27 

 giving a range of 1 . 12 inches. 



Minimum relative humidity obsi 

 on the 28th. 



Rain fell on 12 days. 



Snow fell on 3 days. 



Thunder on the 20th. 



Auroras on 3 nights. 



Halos en 3 nights. 



