54 



Meteorological Observations. 



V. Meteorological Observations for 1883. 

 The following is an abstract of the observations made in 1883 at the 

 McGill College Observatory, at Montreal, situated 187 feet above 

 sea-level : C. H. McLeod, superintendent. 



MOXTH. 



January 



February.... 



Marcli 



April 



May 



June , 



July 



August 



September . 



October 



November . . 

 December . 



Means f orl883 

 Means for 

 nine years 

 ending with 

 Deceinb e r, 

 31st, 1883.. 



Therm ometee. 



Mean 



Max, 



5.67 

 13.61 

 16.68 

 37.22 

 50.13 

 65.82 

 67.33 

 66.37 

 56.30 

 43.78 

 33.91 

 16.61 



- 



42.162 



39.0 

 44.1 

 43.0 

 62.8 

 81.5 

 84.0 

 82.8 

 85.8 

 78.9 



48.1 



Min. 



-20.4 

 -12.1 

 - 9.8 

 11.1 

 32.8 

 46.0 

 47.8 

 45.5 

 35.8 

 24.3 

 4.9 

 -19.4 



Mean 

 daily 

 aver- 

 age. 



18.52 

 16.78 

 19.65 

 14.82 

 16.72 

 16.85 

 16.93 

 16.68 

 17.40 

 13.43 

 12.96 

 17 24 



16.498 



*Baeometer. 



Mean. 



30.0265 



29.9757 



Max. 



30.649 

 30.755 

 30.439 

 30 449 

 30.301 

 30.448 

 30.161 

 30.343 

 30.461 

 30.730 

 30.566 

 30.789 



Min. 



Mean 



daily 

 range 



.3473 

 .3638 

 3215 

 .1992 

 .2008 

 .1512 

 .1121 

 .1263 

 .2186 

 .1974 

 .2995 

 .2961 



0545 

 0710 

 0762 

 1453 

 2428 

 4640 

 4860 

 4564 

 3448 

 2233 

 1608 

 0910 



S3 



83.01 

 77.90 

 72.64 

 64.40 

 70.85 

 72.89 

 72.35 

 70.30 

 72.70 

 74.21 

 75.88 

 83.32 



23384 74.162 



25244 



73.991 



MOXTH. 



January . . 

 February.. 

 March -... 



April 



May 



June. . . .,. 



July 



August . . . 

 September 

 October. . . 

 November. 

 December. 



Means for 

 1883 



Totals 



Means for 



nine years 



ending 



witb Dec. 



31st, 1883. . . 



Wend. 



Mean 

 direction. 



S.W. bv S. 



W. by S. 



W.S.W. 

 W. 



W.N.W. 

 S.W. by W 



W.S.W. 

 S.W. by W 



W.S.W. 



N.W. by N 



S.W. by W. 



S.W. 



W.S.W. 



Mean 

 veloc- 

 ity in 

 miles 

 per 

 hour 



11.63 

 12.61 



12.72 

 11.18 

 12.02 

 9.82 

 7.91 

 9.45 

 8.34 

 8.53 

 11.90 

 12.69 



x 



54.7 

 54.4 

 49.6 

 60.9 

 73.3 

 52.3 

 46.9 

 44.7 

 48.6 

 61.0 

 71.6 

 68.0 



42.5 

 48.0 

 52.0 

 60.6 

 45.0 

 54.0 

 62.2 

 61.4 



41.5 



24.7 

 27.3 



57.17 48 31 



W. byS. 111.01 



60.94 



0.34 

 051 

 0.04 

 0.84 

 6 94 

 3.45 

 4.72 

 1.60 

 3.57 

 2.49 

 2.05 

 1.03 



27.58 



II 

 1% 



27.10 137.1 114.1 



* o 



6° 



20.0 



17.2 



35.5 



6.7 



Inapp. 



0.0 



0.0 



0.0 



0.0 



0.0 



12.1 



25.5 



117.0 



0£ 





2.31 

 2^80 

 3.30 

 1.48 

 6.94 

 3.45 

 4.72 

 1.60 

 3.57 

 2.49 

 3.17 

 3.64 



c .2 £ 

 5 ? 7. 



2 



2 



2 



2 

 

 

 

 

 

 



1 



39.47 



84.8 3* .59 15.6 205. 7 



111 



3 S S3 



17 

 18 

 15 

 15 

 22 

 19 

 18 

 13 

 15 

 14 

 21 

 20 



270 



•^Barometer readings reduced to 32 ° F. and to sea level, t Inches of mercury. % Re- 

 lative, saturation being 100. The monthly means are derived from observations taken 

 every four houis, beginning with 3.13 a.m. 



