ABSTRACT FOR THE MONTH OF JANUARY.1891. 



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



THERMi i.UKTKK. 



• BAROMETER. 



29.9117 

 29.4538 



29-7587 

 29.7828 



30.6578 



30.0992 

 =9-9555 

 29-5047 



-9-755= 



30.2748 



29.9770 



30.197 

 29.725 

 30. 329 



N.K. 

 Jf.W. 



« W. 



N.E. 

 .S.W. 

 S.W. 



N.E. 



E. 

 N.E. 



1 1.7 



lis.o 



12.7 



ANALYSIS OF WIND RECORD. 



Duration in hrs . 

 Moan velocity. . . 



gusts, 60 miles 

 J for 28 days, 2140. 



* Barometer readings reduced to sea-level and 

 tempii-attire <>1 3l'° Far. 



§ Observed. 



t Pressure of vapour in inches of mercury. 



t Humidity relative, saturation being 100. 



IT Ten years only. 



The greatest heat was 38.5 on the 2nd ; the 

 greatest cold was 15.0 below zero on the l"th, 

 giving a range of temperature of 53 5 degrees. 

 Warmest day was the 24th. Coldest day was the 

 16th. Highest barometer reading was 30.719 on 

 the 16th ; lowest barometer was 28.874 on the 12th, 



giving a ram 



humidity wa 



humidity wr. 



Riiin fell o 



I fell ( 



of 1.845 inche 



days 



52 on the 26th. 



6 days. 



23 days. 



fell on 24 days. 



Ruin inn! snow- tell 



Hoar frost on 1 day 



Lunar balo 1 night. 



Fog on 3 days. 



Note.— Figures ami letters, under wind, in bold 

 face tvpe, ;ne bom tin.- Oily Hull record, the mile- 

 age of which liiis been multiplied by 1.25 in order 

 to reduce it to the iii-.iiiit:nn .iiiomometor. 



