﻿Nleteorological Abstract for the Year 1895. 



Observations made at McGrill College Observatory, Montreal, Canada. — Height above sea level 187 ft. Latitude N. 45° 30' 17", Longitude 4'' 54"' 1855' W. 



C. H. McLEOD, Superintendent. 





■ 



FebruJ?j' 



March 



MS 



E== 



11 











November ■.'.;■.'.: 



llU.SO 

 U.2ii 

 31 U 

 22.46 



Heans for 



Ssars endings 41. 8i 

 ec. 31. 1895. 



Thesmoueteb. 



. IT Devia- 

 I tiOD from 



+ 2.96 

 -1.64 



— 2.16 

 + 1.17 

 + 3.66 

 + 4.51 

 -_1.54 



- I».87 

 + 1.70 

 -4.13 

 + 1.92 

 + 3.51 



15.31 

 14.26 

 15.29 

 16.06 

 19.96 

 17.14 

 16.84 

 15. lU 

 16.88 

 15.09 

 12.19 

 12.73 



29.9783 



30.671 

 30.594 

 30.772 



29.429 

 29.603 

 29.471 

 29.5S9 





.247 

 .222 

 .155 

 .148 



74.7 



S. 70° W. 

 S. 64° W. 

 S. 67° W. 

 N 34° W. 

 ri. 59° W. 

 S. 51° W. 

 S. 56" W. 

 S. 54° W. 

 S. 44° W. 

 S. 25° W. 

 S. 45° W. 

 S. 33° \V. 



Mean 

 velocity 

 in miles 

 per hour. 



15.18 



61.0 



§45.6 



as.s 



3 m f8 



118.1 



78 



1:1 



2 



39.67 





16 





Ten YEiBS (1885-94) Means op bi-hourlt tempeeatuees at Montreal. 



11.34 

 1-2.2] 

 22.39 

 36.78 

 50.66 

 6J.69 

 64.25 

 61.44 

 51.48 

 43.00 

 31.95 

 18.64 



49.12 

 5j).4i) 

 61 Si 



9 76 

 10.49 

 20.09 

 34.14 

 47.73 

 .58.64 

 62.11 

 59 44 

 62 77 

 41 65 

 31.03 

 1?..'57 



20.36 

 36.38 

 51.08 

 6i.26 



9h llh 13h 15h 17h 19h 21h 



10.41 



2^08 

 39.86 

 55 2J 

 65.82 

 69.65 

 66.22 

 58.25 

 44 98 

 32 44 

 17 73 



12 88 

 14.6') 

 25.98 

 43.32 



69.13 

 73.17 

 69.75 

 61 91 

 48.20 

 31.64 

 19.71 



14.37 

 16.24 

 27.76 

 45.47 

 61.41 

 71.21 



49.72 

 35.64 

 20.73 



75.75 

 72.09 

 64.29 

 49.94 

 35.56 

 21.02 



13.92 

 15.85 

 27.55 

 45.65 

 61.22 

 70.31 

 74.02 

 70.39 

 62.53 

 48.10 

 34.28 

 19 96 



14.86 

 25.83 

 42.31 



45.77 

 33.37 

 19.61 



12.69 

 14.16 

 24.68 

 40.25 

 64.77 

 63.89 

 67.42 



56.93 

 44.43 

 32.54 

 W.12 



12.13 

 13.45 

 23 81 



65.8J 

 62.53 

 55.62 

 43.00 



12.17 

 13.51 

 24.28 

 40.39 

 55.23 

 65 19 



January . 

 February. 

 March . . . . 

 April ■ 



June 



July 



August 



September. 

 October... 

 November. 

 December. 



S;ars ending) 

 ec. 31. 1895.) 



• Barometer readings reduced to :-2° Fah. and to sea level, t Inches of mercury, t Saturation 100. § For 14 years only. IT "+" indicates that the temperature has been higher : "—" that it has been lower than the average-for 21 years inclusive of 1895. The monthly means are derived from readings taken every 4th hour, 

 beginning with 3 h. m. Eastern Standard time. The anemometer and wind vane are on the summit of Mount Royal, 57 feet above the ground and 810 feet above the sea level, a For 9 years only. 



Thegreatest heat was 87.5° on July 8: the greatest cold was 19.8° below zero on February 6. The extreme range of temperature was therefore 107.3. Greatest range of the thermometer in one day w.is HI. 8" on Januuary4; least range was 2.8° on November 13. The warmest day was July 8, when the mean temperature was 78.65°. 

 The coldest day was February 6, when the mean temperature was 13.33° below zero. The liighe<t barometer reading was 30.772 on December 17, Lowest barometer reading wa« 28.832 on February 8, giving a range of 1.940 tor the year. The lowest relative humidity was 29 on May 18. The greatest mileage of wind recorded in one 

 hour was 67 on December 31, and the greatest velocity in gusts was at the rate of 80 miles p. h. on December 3l. The total mileage of wind was 129,326. The resultant direction of the wind for the year is S.52° W., and the resultant mileage was 62 850. Auroras were observed on 15 nights. Fogs on 11 days. Thunder storms 

 on9days. Lunar bales on 14 nights. Lunar coronas on 7 nights. Solar halos on 20 days, ifiarthquakes were felt on 2 days, April 17th and December 9th. The sleighing of the winter commenced in the city on November 21. The first appreciable snowfall of the autumn was on October 2U. 



Note.- The yearly means of the above, are the averages of the monthly means, except for the velocity of the wind. 



