No. 8.] 



METEOROLOGICAL RESULTS. 



481 



MISCELLANEOUS. 



Meteorological Results for the Year 1882. 



McGill College Observatory Montreal, Canada. C. H. McLeod, 

 Superintendent. Height above sea level, 187 feet. 



MOKTH. 



January 



February 



March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



Means for 18S2... 



Means for 8 years 

 ending with '82. 





79.8 

 74.0 

 69.7 

 68.7 

 56.6 

 65.5 

 75.7 

 72.7 

 75.2 

 71.5 

 77.0 

 86.4 



72.73 



73. 97 



Month. 



Wind. 



Mean velocity 

 in miles 4* hour 



January 



February 



March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



Means for 1SS2 



Means for 8 years, ending with 

 December 31st, 1881 



14.15 



13.17 



12.35 



11.88 



11.40 



10.55 



10.15 



7.62 



8.31 



10.02 



9.30 



11-04 



10.83 



11-054 



Mean. 



direction. 



Sky clouded 

 per cent. 



Percent- 

 age of 

 Possible 

 Sunshine 



W . by S. 



N. W. 



N. W.bvW, 



xV. W. byN. 



E. N. E. 



W. S. W. 



W- byS. 



N. W.by W. 



X. 



W. S. W. 



N. \V. 

 W. S. W. 



58.7 

 47.3 

 50.1 

 63.9 

 37.0 

 51.3 

 53.2 

 46.8 

 58.0 

 49.9 

 64.7 

 7S.7 



W. N. W 



56.63 



44.1 

 49.7 

 53.0 

 46.6 

 50.0 

 60.1 

 62.8 

 68.4 

 53 1 

 57.5 

 40 1 

 25.0 (?) 



50.87 



W. by S. 



61.41 



* Barometer reduced to 32^ Fah. and to sea level. 



t Inches of mercury. § Observed. 



j Relative satnrntioii being 1()0, 



The monthly means are derived from observations taken every fourth 

 hour beginning with 3.13 a.m. (The mean sunshme given for Decem- 

 ber is not from a record, but was estimated from the mean of clear 

 sky observed.) 



The greatest heat was 91.0 on xlu^ust 6th; the greatest cold 

 was 26.0 below zero on Januar}' 24tli ; extreme range of tem- 

 perature for the year IIT*^; greatest range of thermometer in 

 one day was 37. '^O on February 17th; least range of thermo- 

 meter in one day was 4.4 on November 20th ; the warmest day 



