

ABSTRACT FOR THE MONTH OF OCTOBER, 1890. 







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









THERMOMETER. 'BAROMETER. 



iMean 



1 Mean I 



WIND. 



SkvCloddkd 

 In Tenths. 



= .„ 



•S« 



.a . 



| 





















DAY 





Mean. 



Max. 



Min. 



RangeJ Mean. 



§Max. 



§Min. 



Range. 



sure of 



relative! Dew 

 bumid-fl point, 

 ity- 1 



General 

 direction. 



vel.ir.-U\ 



2 



1 



— 



76 





J" 



.a a 

 1 



DAY. 











48.3 



21.6 | 30.2375 



30.284 



30.202 



.082 





8,.o I 53.5 



S.W. 



4-8 



4-3 



10 







. 











61 72 





51.6 





30 



247 



30.123 







■ 4185 



77-3 1 54-o 



S.W. 













8s 



















63.6 





6 9 1 29 9985 



30 











• 4535 



88.5 1 56.2 



S.E. 



























4 



58.92 



642 



55-2 



9.0 j 29.7553 



29 



874 



29.654 





220 



■4632 



92.8 I 56.8 



S.W. 





• 





10 



4 





0.08 





0.08 



4 











59- 2 



H'o 



■7.6 





i 







29.845 





061 



.i860 





N.W. 



N. 



•3 



6 



4-0 





■p 



7^ 















6 



29.884 



29 



906 



| 













12.7 1 i 



29 



9IO 











85.2 B 36.2 



E, 



























8 





46.0 



42.1 



3.9 



30.0450 



30 









373 





94-o I 42.3 



W. 



S 



















8 



















3" 



337 



30.237 







.26.7 



88,o 41.5 



S.W. 













06 

























30.0008 



30 





29.873 





345 



.2948 



9'-3 





S. 



























■• 



46.98 



53-8 



42.0 



11. 8 



29.9025 



29 



936 









.2528 



78.2 



40.2 



w. 





6 



6.7 



10 







16 



Inapp. 







•' 





SUNDAV. . 







49-9 



36-5 

 36 2 



■3-4 

 15-8 





i 







29.912 





202 



2265 



78 .'5 





N.W. 

 N.E. 



7 



5 









77 











.SUNDAV 





30.024 



30 



114 

















29.6847 



29 





29-593 





227 





93-3 



42.8 



S.E. 







8.3 









0.-80 





0.80 











48.63 







.2.9 



29.8198 



29 



943 







20, 



2555 



75 5 



40.5 



S.W. 







3-o 







89 















16 



54.18 



60.5 



48.3 







30 





29.783 







2825 



67.7 



43-5 



S.W. 



9 





8.3 







7» 









16 

















29.6152 



29 



725 



29.527 





198 



3297 



93-3 | 47-5 



S.E. 



























iS 



44-73 



47.8 



41.9 



5-9 



29.8703 



29 



891 



29.837 





054 



2892 



97-3 | 43-8 



N. 



- • 



5 



10.0 



10 



IO I 00 









18 











50.0 



43-6 

 380 























•4 

 •9 











0.03 





0.03 









20 







29.S473 



29 



982 



29.732 





250 



2413 



80.7 I 39.0 



N.E. 





8.3 



10 



1 01 





20 

















30.1623 



30 











1835 



75.2 1 32.3 



N.E. 



3 







9 























32.2 



16 8 



30-3357 



30 



396 



30 303 





093 





74-5 H 3 2 -5 





























42.68 



52.8 







30.2303 



3" 



343 



30.123 







•935 



72.2 



33 7 





S 



1 



7.0 





1 58 























6.7 



29,9983 



30 





29 918 





165 



1948 



70.8 



33-8 



N.E. 



7 



'. 





















25 



43-17 



48.0 



37-6 





29.82S7 



29 



916 



29.730 







•753 



63-7 



3>-3 



N.E. 



14 6 



10.0 



10 



10 1 02 









25 











49-8 



37.6 



6^7 





3 







29.451 





228 



•745 



7o-5 



31 



N.E. 

 N. 



12 7 

 16.6 



io'o' 



io 



" I 37 



Inapp. 





000 



27 



.Sunday 









29-571 



29 



679 





28 



38.80 





36.O 











29-347 







•585 



67.2 







16 9 























38. >5 



46.0 









20 



467 



29 378 





089 



• •952 



843 



33-7 



E. 



6-3 



8.3 





5 25 







0.08 











38.65 





35-6 





29 



759 



29.381 





378 



1940 



83-0 33-7 







8-3 







0.07 





0.07 



3° 







3> 



37.68 



43-7 



33-7 



10. j 29.8657 



-J 





29.814 





075 



.1868 



82.8 A 32.7 





9 2 



6-7 





jj 43 



O.IO 





O.IO 



3> 





Means 



45-85 



51.84 



40. .0 



"•75 i 2 «-9°°3 











79 " J " J 





80.7 g 39.8 





18.85 



7-=5 



" I 33 ' 8 



2.69 





2.69 













16 vrs. means lot & 

 including this mo 







38.36 



13.65 fl 30.0023 









„„ 8„„ 















3-38 j i-57 



3.54 I16 yrs. mean 



including this 





4 











! 









1 





month. 



ANALYSIS OF WIND RECORD. 



•Barometer readings reduced to sea-level and 



giving a range of 1.049 inches. Maximum relative 

















temperature of 32° Fahr. 











N. 



N.E. 



E. 



S.E. 



s. 



s.w. w. 



N. W 



Calm. 



? Observed. 



t Pressure of vapour in inches of mercury. 



humidity was 47 on the 23rd. 

 Rain fell on 15 days. 













745 



333 



1200 1376 



525 









Eg 















t Humidity relative, saturation being 100. 

 fl Nine years only. 



The greatest heat was 71.7 on the 2nd ; the 

 greatest cold was 30.7 on the 29th, giving a 



on 1 ho 81st. 



Duration in 



hrs.. 



160 



31 



92 



47 



,22 



55 



37 



Mean velocity... 



.0.0 



II. 4 



5-4 



8.1 



7-1 



9.8 12.4 



9-5 





Hoar frost on 6 days. 











range of temperature of 41.0 degrees. Warmest 

 day was the 2nd. Coldest day was the 31st. 



Luuar halos on 3 nights. 





area test 



mileage in one hour was 3(1 on the20th. 



Total mileage, 7,050 



Fog on 4 days. 





Resultan 



mileage, 1038. 



Average mileage, 0.6. 



Highest barometer reading was 30.396 on the 







Resultant direction, N. 36°.5 W. 





22nd; lowest barometer was 29.347 on the 28th, 







