ABSTRACT FOR THE MONTH OF JANUARY, 1900. 



Meteorological Observations, JIcGill College Observatory, Montreal, Canada. Height above sea level, 187 feet. C. H. JMcLEOD, Superintmdent. 



THEKMOMF.TER. 



tBAEOMElER. 



29 93 

 30. J3 

 30-3* 



»9-19 



30.05 

 '9-7' 

 39.70 



N.E. 

 S.W. 

 N.W. 







ANALYSIS 



OF WIND RECORD. 







nireciion 



N 



N.E. 

 38 



E. 



b E. 



S. 



S.W. \v. 



N.W 



Calm. 



Mile 



3.6 



■454 



978 



4399 1 "450 



500 





"iiriiiioii in lirs,. 



88 



»6 



93 



80 



33< 1 83 



5S 



eo 



Menu velocity.... 



10.3 



9.0 



"' 





"■= 



.9.0 : 17.8 



16.4 





Ureatest tnilo 

 21«t and 23rd 



ilrsutcft volo 

 oiitlio2Jth. 



[IRQ il< <1 

 city in 



hour 



usta, 38 



vim 36. 



on tiio 

 or hour 



ll6 



Re 

 To 



ultaiit uiileiigo, 

 ultant direction 

 ul mileage, 10,68 



5,001). 

 S. 4T 5 



w. 



' Barometer rea-Iingg reduced to seft-Ieve 

 teuit'eniture32'* Fiihrenheit. 



t Menn of bi hourly readings takeD from 

 self recording instrumenta. 



t Humidity relative ; meau from observati 

 at 8, IS, and 2iJ hours. 



H 19 years only, a 14 years only. 



The greatest heiit wa.'' 42" .n on the 23rd: 

 Kreiitcstcold wjis-7-.8 on the 24th, givioga raoge 

 of temperature of 49.8 degrees. 



Warmest day via.-' the 20th. Coldest day was 

 the 21th. Highest barometer reading was 3[).73on 

 the 17th. Lowest biirometer vtas 29.2ti on the 20tb, 

 giving a range of 1.47 inches. 



64, 



Minimum relative humidity obeei 

 on the 3l8t- 



Rain fell on 5 days. 



Snow fell on 17 days. 



Rain or snow fell on 20 days. 



Lunar halo on 9ih. 



Lunar coronas on the 6th, 9th, 13th, 15tb, 

 16th and 17lh. 



Fog on 4 days. 



