ABSTRACT FOR THE MONTH OF MAY, 1904. 



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



1 HM'.llUMf.TLK. 



* BAROMETER. 



-■ 



3 



30 

 3° 

 30 





30 

 30 



- 



30 

 '9 



5 

 5 

 ■ 8 



39 



2 



3° 



6 



30 







39 



■9 



'9 



■ 4 



29 





29 





29 



9 



29 

 29 



.6 



39 



■ 4 



29 





'9 



9 



29 





29 





"o 



■7 



29 







»9 



4 



29 



30 



s.w. 



B.W. 



s.w. 



S.E. 

 S.W. 



S.W. 

 S.W. 

 N.E. 

 S.E. 



S.W. 

 N.E. 

 N.E. 

 N.E. 







ANALYSIS 



OF WIND RECORD. 







Direction 



N. 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 



Calm. 





»74 



1596 



»9=. 



.046 



49' 



4480 



2796 



650 





Duration In tin.. 



"4 



'33 



29 



80 



4' 



240 1 '55 



40 



2 



Mean velocity.... 



.,., 



■ 2.0 



.0.0 



■3.. 



.2.0 



18.7 I 1S.0 



.6.3 





UrontOBt uiilonuo 

 Qroatosl reloolts 

 KoMiltniit iiiUouk 



mil 



0, 4,902. 



««« CO 



11 on tli 

 It tbo 10 



10th. 

 th. 





ToU 



lltnnt Ji 

 liuilens 



rection. 

 0,11,623 



S.59°,V. 



Barometer readings reduced to sea-level and 

 temperature 32° Fahrenheit. 



t Mean of bi-hourly readings taken from 

 self-recording instruments. 



J Humidity relative, saturation being 1U0. 

 Mean of observations at 8, 15 and 20 hours. 



% 23 years only. 1 17 years only. 



The greatest heat was 78.9 above zero on the 

 7th. The greatest cold was 3!).8 above zero on 

 the 12th, giving a range of temperature of 39-1°. 



5 the 9th. Coldest day waa the 



Highest barometer reading w. 

 3rd ; lowest barometer was 29.42 

 ing a range of .88 inches- 



Rain fell on 11 days; 

 Thunder on the 15th and 25th. 



