ABSTRACT FOR THE MONTH OF APRIL, 1904. 



Meteorological Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 1S7 feet. C. H. McLEOD, Superintendent. 



I HI-.K.MUMLTI.R. 



39.37 

 40-79 



* BAROMETER. 



S.W. 

 S.W. 

 S.W. 



S.W. 

 N.E. 

 N.W. 

 S.W. 



N.E. 

 N.E. 

 N.W. 



(for and including 



ANALYSIS OF WIND RECORD. 



Direction 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 



c.,«. 





967 



1893 



5" 



375 



300 



3333 



3237 



843 









Duration in hrs. . 



78 



l» 



■15 



»4 



.1 



.48 



166 



65 



3 



Mean velocity. ... 



».4 



■5.5 



«« 



15.6 



■4 3 



aa. s 



■9 5 



.3.0 





Uroateit mileage in ono hour was 45 on tho 5th 

 UroaloHt Tolooity in gusts was 72 on tho 5th- 

 UBiultnntmilonno, 4,075. 



1 Humidity relative, saturation being 100. 



Mean of observations at H, 15 and 20 hours. 



V 23 years only. \ 17 years only. 



h For 28 days only. 



The greatest heat was 61.8 above zero on the 

 24th. The greatest cold was 19.5 above zero on 

 the 20th, giving a range of temperature of 423°. 



Warmest day was the 24th. Coldest day \ 



Highest barometer reading wai 

 22nd ; lowest barometer was 29.43 c 

 ing a range of 1.07 inches. 



1 relative humidity observed, 



1 ground at end of month. 



