ABSTRACT 



Meteorological Observations, McGill 



FOR THE MONTH OF SEPTEMBER, 1894. 



College Observatory, Montreal, Canada. Height above sea level. 187 feet. C. H. McLEOD, Superintendent. 



Sunday 23 



THERMOMETER. 



58 r 7 



55 5 2 



58 .'95 



5430 

 58.60 

 63. 82 



59 65 

 58.52 



74 5 



Hi 

 65.8 



68.40 

 66.64 



BAROMETER. 



3°°9S5 

 30.0467 

 29 8913 



30.3582 

 30-4943 

 30.0783 



30 0S95 



30.0608 



5.83 30.0187 



.•9.910 

 29.917 

 30.040 

 29.948 

 29.762 



29.923 

 29 560 

 29.769 



t Mean 



pres- 

 sure of 

 vapour. 



[ Mean 



relative 

 hutni 



75 4 



s.w. 

 s.w. 



N. E, 



N. E. 



N. E. 

 S.W. 

 S.W. 



S.W. 

 N.W. 



S.E. 



s. w. 



S.E. 



Mean 

 velocity 

 iti mi" 

 perhour 



5 I 



* 5; J 



T.'Z 



[nap 



10 SuHDAI 



23 SlNUAV 



20 Years r 



and include 

 month. 



ANALYSIS OF WIND RECORD. 



Duration in hrs 

 Mean velocity. 



Greatest mileage in one hour was 32 on the 2nd. 

 Greatett velocity in gusts 48 miles per hour, on 

 the 23rd. 



Resultant mileage, 4251. 

 Resultant directions. 31J° W. 

 Total mileage, 9131. 



♦ Barometer readings reduced to sea-level anu 

 temperature ut 32° Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



{ Humidity relative, saturation being 10U. 



It 13 years only 



The greatest heat was 78.5 C on the B2nd; I be 

 greatesi cold was 35.0° on the 26th, giving a 

 range of temperature of 43.5 degrees. 



Warmest dav was the 5th. Coldest dav was the 

 26th. Highest barometer reading was 30 



ISthl lowest barometer was 2(1.532 on the ll'th, 

 giving a range of 1.19J inches. Maximum relative 

 humidity was 99 on the 1 ">t b, 2"ih .V 2.st. Mini 

 mum relative humidity ma 47 on the 1st. 



Rain fell on 1J days. 



Auroras were observed on 1 night 



Fog on 1 days. 



Lightning Oil S days. 



Seveie thunderstorms on the *th and 20th. 



Heavy thunder 01 



Extremely smoky atmosphere on the 2nd. 



