﻿ABSTRACT FOR THE MONTH OF APRIL, 



Meteoroloeica) Observations McGill Collepe Observatory, Montreal, Canada. Height above sea level, 187 feet. 



1896. 



C. H. McLEOD, Super inimdmi. 



THERMOMETER. 



tMean 

 pressure 

 of vapor. 



CMeau 

 relativ< 

 tiamid- 



M< 



Tolooity 

 ia miles 

 porh 



5! 



31.28 

 32.0s 



33 -3' 

 33-3' 

 36.65 

 40.65 



35 7 



40.97 

 44 66 

 55 08 



57-43 

 50.63 

 48.18 

 47-42 



29.6493 

 "9-47S3 

 29.7987 



39 9408 

 29.8761 

 29.9588 

 30 0965 



29.374 

 39.58, 



30.086 

 30-143 

 30 540 

 30.267 

 30 215 

 30.187 



.087 

 -7.87 

 31 50 



29 9'>5 



29.963 



39.930 



I 29,9,. 



; 29.918 



29.849 



29 74i 

 29 796 

 3' 035 

 50.T23 



S. E. 

 N.E. 

 N. 

 N,E 

 S.E 

 S,W. 

 N.E. 



S. W. 

 S. W 



N. E. 

 S. W. 



s. w. 



E. 

 N.E. 

 S. W. 

 N.E. 

 S E. 



50.58 

 48.59 



30 . 0685 

 29.3576 



!32 Veai> meausfoi 

 aad iactudiag this 

 month. 



ANALYSIS OF WIND RECORD. 



Direction 



Miles 



Duration in hrs 



Mean velooitv 



N.E. 

 2405 

 T67 



Greatest mileage in one hour was 40 on tl 

 3r(J. 



<4reatest velocity in gusts, 48 miles ner hour 1 

 the 3rd. 



Resultant mileage, 2045. 



Resultant direction, S. 44' W. 



Total mileage. 11,128. 



Average velocity, 15.45 miles per hour. 



* Barometer readings reduced to sea-level and 

 temperature of 32° Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



I Humidity relative, saturation being 100. 



T 15 years only ' Ten years only. 



The greatest heat was 77.0° on the 19th : the 

 greatest cold was 17.6° on the 4th, giving a 

 range of temperature of 5y.4 degrees. 



Warmest day was the 19th. Coldest day was 

 the I't. Highest barometer reading was 30.o8d 

 on the 8th. Lowest barometer was 29-419 on the 



3rd, giving * raige of 1.167 inches. Maximum 

 relative humidity was y9 on the Ist, 3rd, 6th, 

 17th and IHth, Minimum relative humidity was 

 30 on the 2>rdand»0th. 



Rain fell on 12 days. 



Snow fell on 6 days. 



Rain or snow fell on 16 days. 



Auroras were observed on 2 nights, 23rd &. 24th 



Lunar halo on 1 night, 24th. 



Hail fell on 17th and 21st. 



Rainbow on 19th. 



