﻿ABSTRACT FOR THE MONTH OF OCTOBER, 1897. 



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



Sunday 24 



for and including 

 this month 



THERMOMETER. 



3»-44 

 38.55 



BAROMETER. 



29.9418 

 29-7345 



30.086 

 30 270 

 30-383 



30.193 

 29.756 

 29-631 

 29,891 

 29.763 

 29.705 



30.191 

 30-053 

 30.063 



29.972 

 29.525 



29.884 



tMean I JMean 

 pressure "relative 

 of vapor, humid - 



'69° I 7'. 7 

 2438 76- 



S.W. 

 S.W. 



S.W. 



S.W. 



N. 

 N. 



1263 

 18.96 

 15. 53 

 ■ 7 67 

 8.58 

 8.83 



^-d 



ANALYSIS OF WIND RECORD. 



Direction 



N. 



N.E. 



E. 



SE. 



S. i S.W, 



W. 



N.W. 



CA.M 



Miles 



,846 



4., 



103 



438 



■536 1 4991 



ro. j 29t 



772 

 50 



829 





Duration in hrs.. 



'53 



30 



.2 



36 



7' 





Mean velocity.... 



12.07 



14.30 



8.58 



12.17 



15.21 17. >5 



15-44 



11.56 





Greatest mileage in one hour was 38, on the Resultant mileage, 4495. 



16th. Resultant direction, S. 5403 W. 



Greatest velocity in gusts 42 miles per hour on 

 the 16th. 



Total mileage, 10,94i. 



* Barometer readings reduced to sea-level aod 

 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 77''8 on the 15th ; the 

 greatest cold was 26= .0 on the 10th, giving a range 

 of temperature of 51.8 degrees. 



Warmest day wa-- the 15tb. Coldest day was 

 the 30th. Highest barometer rending was 30.644 on 

 the 3rd. Lowest barometer was 29.525 on the 28th 

 givingarange of 1.119 inches. Ma-ximum relative 



humidity was 98 on the 16th. Minimum relative 

 humidity was 39 nn the 18th. 



Rain fell on 9 days. 



Aurora was observed on one night. 



Lunar Coroniis on the 4ta, 5th, 9th, 10th, 12th, 

 and 13th. 



f oron 5 days. 



