﻿ABSTRACT FOR THE MONTH OF JANUARY, 1898. 



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



Sunday 9 



■THERMOMETER. 



:ars medDS i I 

 including > I 12.06 

 nlh S\ 



BARO.METER. 



30.2388 

 3003'5 

 29 8987 

 29.8205 

 29 4763 



29.6405 

 29.87,0 



30.0,57 



30.288 

 30 383 

 30.099 



29 933 

 29.784 



30 464 

 30 481 

 30.513 



30.231 

 2S 7!9 

 29 979 

 M n8 



29 976 



29.665 

 29.246 



29.739 

 29.676 

 29 524 



29.989 

 »9 973 



29.776 

 29.8136 







ANALYSIS OF WU!JD RECORD. 







Direction 



N. 



N.E. 



E. 



SE. 



s. s.w. 



W. 



N.W. 



Calm. 



Miles 



3B20 



309 



28 



2. 



'815 4!93 



529 



844 





Duration inhrs.. 



250 



18 



=> 



« 



136 



251 



33 



48 



4 



Mean velocity.... 



.3.23 



17.17 



14.00 



10.50 



13 35 



17 5D 



16.03 



17.58 





Greatest mileage in one hour was 47, on ti 

 Greatest velocity in gusts 54 miles per hour c 



Resultant mileage, 40")5. 

 Resultant direction, S. 76i W. 

 Total mileage, 11,259. 

 Average velocity 15.13 m. p. h. 



H.i 



WIN 

 General 



S.W. 

 S.W. 



N. 



9 04 

 17.88 



^'i 



S24 Years me: 

 and incjudin 

 month. 



• Barometer readings reduced to sea-level and 

 temperature 32° Fahrenheit. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



t Humidity relative, saturation being IDO. 



f 17 years only. « 12 years only. 



The greatest heat was Zl-i" on the 8th ; the 

 greatest cold was —20.9= on the 30th, giving a 

 range of tempera!ure of 5S.2 degrees. 



Warmest day was the 6th. Coldest day was 

 the 30th. Highest barometer reading was 30.513 on 

 the 19tli. Lowest barometer was 29.246 on the 8th, 

 giving a range of 1.207 inches. Maiimum relative 



humidity was 100 on the 30th. Minimum relative 

 humidity was b8 on the 8th. 



Rain fell on 4 days. 



Snow fell on 21 days. 



Rain or snow fell on 22 days. 



Lunar halo on 4 nights. Lunar] c 

 nights. 



Fog on 4 days. 



Mock moons on the 8th. 



