ABSTRACT FOR THE MONTH OF SEPTEMBER, 1902, 



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



THERMOMETER. 



66.53 



66.5 

 56 8 



55. 8 

 55° 

 54-« 



* BAROMETER. 



S.W. 



N.W. 



s.w. 



S.W. 

 N.W. 



S.W. 



s.w. 

 s.w. 







ANALYSIS 



OF WIND RECORD. 







Direction 



N 



N.E. 



E. 



S.E. 



s. | s.w. 



W. 



N.W. 



Calm. 



Miles 



43= 



6o5 



377 



■5" 



706 | 8 s9 



868 



778 





Duration in hrs.. 



53 



66 



64 



20 



■67 



216 



82 



5» 





Mean velocity.... 



8.1 



9.2 



5 9 



7-5 



4 = 



4-2 



10.6 



.5.0 





QroatoBt mileage 

 Greatest velocity 



noneh 

 in gusts 



was 30 t 



24 on the 

 n tho 2n 



2nd. 

 d. 





Res 



Itant in 

 Unnt di 



leage, 1 

 rection, 



148. 

 3 88" TV. 



Total mileage, 5,817. 



•Barometer readings reduced to sea-level and 

 temperature 32° Fahrenheit. 



t Mean of bi-hourly readings taken from 

 self-recording instruments. 



1 Humidity relative, saturation heing 100. 

 Mean of observations at 8, 15 and 20 hours. 



§16 years only. 



zero 



If 21 years t 



The greatest heat was 75.9 abo._ . 

 9th. The greatest cold was 38.8 above imru o, 

 25th, giving a raDge of temperature of 37.1°. 



the 



Warmest day was the 1st. Coldest day waB the 



Highest barometer reading was 30. 3G on the 

 lith ; lowest barometer was 29.52 on the 8th ; 

 giving a range of .84 inches. 



Hain fell on 14 days. 

 Rainbow on the 1st and 13th. 

 Thunder and lightning on the 23rd. 

 Lightning on the 7th- 



