﻿IVIeteorological Abstract for the Year 1896. 



Observations made at McGill College Observatory, Montreal, Canada. — Height above sea level 187 ft. Latitude N. 45° 30' 17". Longitude 4'' 54" 18-6*7' W. 



C. H. McLEOD, Superintendent. 



IT Devia- 

 ion from 

 21 years 



January 



MarX".:;:::::: 



12.36 







May .::::: ::::: 



June 



July.^.., 



57.fiB 

 64.59 

 68.. S7 



September .... 



October 



November 



December 



5li.81 



34 79 

 17.78 



Dee. 



1896 



i 





s 



S 



,ss..s 



-21.2 



41.5 



-23.4 



45 6 



- 3.2 



77 



17.6 



S8.7 



36.(1 



86.4 



44.2 



89 8 



51.3 



89 7 



47.8 



a,r8 



34.3 



.S8.3 



21.6 



10.83 

 14.76 

 14.96 

 16.92 

 20.10 

 17.73 

 16. 03 

 16.32 

 14.55 

 12.24 

 13. 85 

 13.26 



29 9323 

 29.9841 

 29.9.923 

 30.0033 

 30. 1077 

 30.1605 



20° W. 



mi' W. 



5ll° W. 



11.5 

 12.4 

 12.0 

 15.6 



14. 68 

 16.13 



47.41 

 §45.75 



Inap. 

 59 

 10.8 



|w 





17 



2.11 



17 



3.34 



18 



6.97 



6 



















5.35 





3.11 



3 



2.48 



12 



fi« 



January . . 

 February. , 

 March..., 



April 



May 



Jun 



July 



August 



September. 

 October .. 

 November . 

 December. 



Means for 22) 

 years ending? 

 Dec :<1. I89rt.> 



» Barometer readings reduced to ?2° Fah. and to sea level, t Inches of mercury, t Saturation 100. § For 15 years only, 

 average lor 22 years inclusive of 1896. The monthly means are derived from readings taken every 4th hour, beginning with 3 

 Royal, 57 feet above the ground and 810 feet iibove the sea level, a For 10 years only. , 



The greatest heat was 89.7° on August 11: the greatest cold was 23.4° below zero on February 18. The extreme range of temperature was therefore 113.1. Greatest range of the thermometer in one day was 39.6' on 

 November 19; least range was 2.8° on February 6. The warmest day was Augu.«t 11, when the mean temperature was 81.15°. The coldest day was February 17, when the mean temperature was 16.02° below zero. The highest 

 barometer reading was 30.936 on December 27, Lowest barometer reading wa? 28.786 on February 7, giving a range of 2.149 inches for the year. The lowest relative humidity was 28 on May 1. The greatest mileage of wind 

 recorded in one hour was 66 miles per hour on February 11, and the greatest velocity in gusts was at the rate of 90 miles per hour on February II. The total mileage of wind was 126,550. The resultant direction of the 

 wind for the year is N. 843° W., ana the resultant mileage was 41.780. Auroras were observed on 17 nights. Fogs on 8 days. Thunder storms on 15 days. Lunar halos on 8 nights. Lunar coronas on 9 nights. Solaroorona 

 on 1 day. Mock suns on 1 day. The sleighing of the winter commenced in the city on November 23. The first appreciable snowfall of the autumn was on November 15. 



Note.— The yearly means of the above, are the averages of the monthly means, except for the velocity of the wind. 



