﻿ABSTRACT FOR THE MONTH OF JUNE, 1897. 



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



Sunday 13 



23 Years means 

 for and including 

 this month 



THERMOMETER. 



BAROMETER. 



29. 7880 

 29.7120 



29.8468 

 29.8445 

 29. 8848 



29.7047 

 29.7627 

 29.8073 

 29.7958 

 20.7057 

 ^9-9357 



29.991 

 29.824 

 29.932 



30.048 

 29.989 

 '9.753 



29.848 

 29 813 



29.748 

 29 784 

 29 84B 

 29.844 

 29.776 

 30.013 



39 046 

 30 107 



29.791 

 30.029 

 39-733 

 29.763 

 29.873 



3°->84 

 29 736 



29 754 

 29.604 

 20.776 

 29.775, 



29.671 

 29.741 

 29.769 



29^857 



tMesn 

 pressure 

 of vapor. 



■325 I 3877 



69.8 



N.W. 



W. 



N.E. 



W. 



s.w. 



N.W. 

 N W. 

 S.W. 

 N.W. 

 S.W. 



N.W. 



il 



6. .,.. Sunday 



nth. 



ANALYSIS OF WDID RECORD. 



Direction 



N. 



N.E. 



E. 



S E. 



S. 



S.W. 



w. 



N.W. 



Calm. 



Miles 



304 



709 



155 



889 



128 



38.2 



1469 



23.5 





Duration in hrs.. 



36 



73' 



22 



81 



>4 



»5i 



90 



'53 





Mean velocity.... 



845 



9.71 



7.05 



.0.98 





15.22 



16.32 



i5->3 





Greatest mileage in one hour was 3o, on the Resultant .nileage, 4638. 

 4th, 21st and 22nd. Resultant direction, S. 77= W. 



(ireatest velocity in gu.'its 3(> miles per hour on Total mileage, 9791. 



the 4th and 22nd. Average mileage per hour, 13.60. 



Barometer readings reduced to sea-level and 

 temperature 32° Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



t Humidity relative, saturation being 100. 



f 16 years only. » 11 years only. 



The greatest heat was 8l°C on the 23rd ; the 

 greatest cold was 41.° 5 on the 2nd, giving a range 

 of temperature of 40''1 degrees. 



Warmest day was the 24tb. Coldest day was 

 the 3rd. Highest barometer reading was 30. 215 on 

 the 8th. Lowest barometer was 29.604 on the 15th 

 giving arange of 0.611 inches. Maximum relative 



humidity was 99 on the 30fh. Minimum relative 

 humidity was 37 on the 18th. 



Rain fell on 20 days. 



Auroras were observed on 1 night, on tho 15th. 



Lunar halo on the lllh. 



Fog on 3 days— 4th, 11th and 30th. 



Thunderstorms on 13th, 24th and 28th. 



