ABSTRACT FOR THE MONTH OF MARCH, 1891. 



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



THERMOMETER. 



Mean. Mas. 



' BAROMETER. 



3° 



.,788 



V 



.3410 





.9103 



3° 





30 



2003 



*1 



9150 







3< 



i.ibo 



30 



0898 



*, 



50O5 



29 



1273 



29.743 



2 9-;94 



30.145 



0.19 





ANALYSIS OF WIND RtCORD. 





Direction 



N. | N.E. 



E. ■ 



S.E. 



S. 



S.W. 



W. 



N.W. 



Calm 





1412 | =142 



694 



671 



.087 



2546 



25S5 



495 

 3°" 



3' 





Duration in hrs . . 



97 

 14.6 



179 



53 



52 



57 

 19. 1 



"9 



.20 



Meanvelooity 



13. • 



12.9 



21.4 



21.3 



'3-7 





Greatest mileag 

 Greatest veloci 

 the 14th. 



y in gu 



hour wa 

 ts, 66 m 



s 52 on 

 les per 



he 14th. 



Resul 

 Total 



ant milt 



;int 'lire 

 mileage, 



ii-e, -mi 

 ■tioii. S. 

 11,602. 



.1 

 87°.5 W 





■* Barometer readings reduced to i 

 temperature of 32° Far. 



§ Observed. 



t Pressure of vapour in inches of i . 



% Humidity relative, saturation being 100. 



IT Ten yeara only. 



The greatest heat was 49.0 on the 29th; 

 greatest cold was 2.1 below zero on the \ 

 giving a range of temperature of 51-1 degi 

 Warmest day was the 29th. Coldest day was 

 2nd. Highest barometer reading was 30.659 

 the 2nd ; lowest barometer was 29.118 on the ] 



giving a rang( 



humidity wa. 1 



humidity was 



Rain fell on 



Snow fell oi 



Auroras we: 

 Hoar frost < 

 Solar halo c 

 Lunar halo 

 Fog on 2 da 



of 1.511 inches. Maximum relative 

 99 on the 4th. Minimum relative 

 36 on the 29th. 



