﻿ABSTRACT FOR THE MONTH OF JANUARY, 1897. 



Meteorological Observations, McGill College Observatory. Montreal, Canada. Heigtit above aea level, 187 feet. C H. M.cLK^n . Suonrinf 



23 Years mea 

 for and includii 

 this month.... 



THERMOMETER. 



Mean. Max. Min. Range. 



tu 



30.4260 



29-9473 

 29.6320 

 29.6835 

 30.2722 

 30.4897 



29.7670 

 30.0430 

 30.3537 

 30.3300 

 30.2750 

 30.1363 



29.6915 

 30.4172 

 30-3635 



29.6690 



29.6043 

 29.6455 



29-5378 

 29.8952 

 29.6640 



29.9742 

 30-5243 



Max. 



30. 126 



29732 

 29-774 

 30.456 

 30.558 

 30.486 



29.789 

 30.257 

 30.405 

 30-375 

 30-377 

 30.178 



30.'5i 

 30.493 

 30.511 

 29.983 

 29.687 

 29.844 



29.845 

 30.250 

 30. 688 



29.736 

 29.575 

 30.017 

 30.397 

 29-756 



29.751 

 29.834 

 30.28J 



30.287 

 30. 150 

 29.5:4 

 29,446 

 29.479 



29.363 

 29 394 

 29.836 

 29 572 

 29-693 

 30-338 



tMean 

 pressure 

 of vapor. 



f Meau 

 relative 

 humid- 



s.w. 



8 68 



N.E. 



5.55 





10.92 





12.54 



S. 



23.50 





36.82 



S.W. 



s.w. 

 s.w. 

 w. 

 s.w. 

 s w. 

 s.w. 



Mean 

 velocity 

 in mi" 

 perhoui 



il 



S22 Years meaasfor 

 and includiag this 

 month. 



ANALYSIS OF WIND RECORD. 



Direction. 



Miles 



Duration in hrs. . 

 Mean velocity — 



N. 



N.E. 



E. 



S.E. 



1467 



S.W. 



w. 



N.W. 



■537 



775 



203 



225 



5448 



2331 



■■99 



107 



59 



27 



25 



96 

 .5.28 



238 



~8~ 



120 



5' 



14.36 



13.14 



7-52 



9.00 



■9-43 



Greatest mileage in one hoi 

 Greatest velocity in gusts, ' 

 the 26th. 

 Resultant mileage, 6620. 



- was 66 on the 26th. Resultant direction, S. 67.1 

 i miles per hour on Total mileage, 13185. 



Average velocity, 17.72 m. 1 



§ Observed. 



t Pressure of vapour in inches of mercary. 



t Humidity relative, saturation being 100. 



IT 16 years only. 



8 11 years only. 



The greatest heat was 47° 5 on the 4th; the 



greatest? cold was 23. = 5 below zero on the 25th 



giving a range of temperature of 71. °0 degrees. 



Warmest day was the 4th. Coldest day was 



ISth.gii'mg a range of 1,399 inches. Maximum 

 relative hum idity was 98 on the Jth, 8th and 9th. 

 Minimu n relative humidity wa3 41 on the 7th. 



fiain fat. en 4 days. 



Snow fell on 15 days. 



Rain or snow fell on 18 days. 



Lunar halos on 1 night. 



Lunar oorona on 2 nights. 



on the 1st. Lowest barometer was 29,321 1 



