ABSTRACT FOR THE MONTH OF FEBRUARY, 1891. 



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



THERMOMETER. 



Mean. Max. 



20 



°7 

 68 



— 4 



5" 

 62 



'7 



68 



*7 



78 





32 



9 



3" 

 78 



~° 



97 

 48 



35 



S" 



'■/ 



Si 





su 





oa 





47 



M 



uo 



12 



°5 



■+> 



4^ 



4 1 



43 



:■:„ 



lb 

 iS 



85 







20! 



; 



33 







24- 











12. 



6 



5 

 4 



23' 



9 



9 

 9 

 9 

 5 



8 

 3 

 8 



5 



32. 

 16. 

 16. 



8.' 

 22. 



=S- 

 18. 

 =7. 

 7- 



18! 



Mean. § Mas. 



30-174 

 30.569 

 30.553 



20 

 29 



3° 

 29 



332 

 681 

 103 

 924 

 018 



29 

 29 

 3° 

 3° 

 30 

 30 



S4S 

 485 

 ■S3 



061 



29 

 29 

 29 

 3" 

 29 

 29 



5=5 

 647 

 358 

 308 

 977 

 531 



3" 

 29 

 29 

 29 

 29 

 30 



194 

 686 



496 

 633 

 "33 



N.E. 

 S.W. 

 S. W. 



'•9t 



S Sunday 



3-07 



ANALYSIS OF WIND RECORD. 



Duration in hrs . 



Greatest mileage in one hour was 45 on the 18th 

 Greatest velocity in gusts, 58 miles per hour or 

 the 18th. > 



]Ii'su)l;itit miletipe, 4750. 

 Resultant direction. S. 32° W. 

 Total mileage, 11,626. 



" :age, in miles per hour, 17.3. 



§ Observed. 



t Pressure of vapour in inches of mercury. 

 I t Humidity relative, saturation being 100. 



IT Ten years only. 



The greatest heat was 45.2 on the 25th; the 

 greatest cold was 13.0 below zero on the 5th, 

 giving a range of temperature of 58 2 degrees. 

 Warmest day was the 25th. Coldest day was the 

 4th. Highest barometer reading was 30.725 on 

 the 14th ; iowest barometer was 29.225 on the 25th, 



giving a range of 1.500 inches. 

 humidity was 100 on the 4th. 



48 on the 14th. 



8 days. 

 15 days. 



F fell on IS days. 



■e observed on 3 : 



Rain fell c 



Lunar halo on c 



tight, 

 e night, 



