ABSTRACT FOR THE MONTH OF MARCH, 1899. 



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



THERMOMETER. 



Mean. Max. Min. Range, 



BAROMETER. 



30.583 

 30.538 

 30.283 

 30. 456 



76.64 



S.W. 

 N.E. 

 N.E. 



23.41= 



■ 7.66 



ANALYSIS OF WIND RECOED. 



N. 



N.E. 



E. 



S.E. 



S. 1 S.W. 



w. 



N.W. 



Calm. 



2.03 



1263 



634 



■455 



491 24,0 



224i 



995 





'3.39 



49 



.02 



58 107 



loa 



5> 



■7 



12.50 



"94 



.4.26 



8.64 23.08 



21.97 



19.51 





QwatDat Telooity in gustB 66 miles per hour o 



ResultaQt mileage, 2215 

 Resultant direotion, N. 753° W 

 Total mileage, 11,652. 

 Average velocity, 15.C6 m.p.h. 



* Barometer readings reduced to eea-Ievel and 

 temperature 32° Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



I Humidity relative, saturation being 100. 



If 18 years only, s 13 years only. 



The greatest heat wiw 42^.5 on the 5th ; the 

 greatest cold wai — S.^O on the 17th A 18th, 

 giving a range of temperature of 47.5 degrees. 



Warmest day was the 5th- Coldest day was 

 the 17th. Highest barometer reading was 30.583 on 

 the 14th. Lowest barometer was 28.9!i3 on the 29th, 

 giving a range of 1.585 inches. Maximum rela- 



tive humidity was 99 on the 15th and lUlh- Mini- 

 mum relative humidity was 52 on the Ist and 16th. 



Rain fell on 8 days. 



Snow fell on 20 days. 



(■fell 



3 obi 



21 days. 



edOD 1 night. 

 3 nights, 

 on 4 nights. 



