ABSTRACT FOR THE MONTH OF SEPTEMBER, 1890. 





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







THERMOMETER. 



•BAROMETER. 



iMean 



t Mean 





WIND. 



In Tenths. 



1? 



"" g 



.3 . 



s 



















DAY. 



Mean. 



Ma, 



Min. 



Range. 



Mean. 



§Max. 



§Min. 



Range. 



pres- 

 sure of 

 vapour. 



relative 

 humid- 

 ity. 



Dew 



51-7 



General 

 direction. 



Mean 

 velocity 



S 



i 



3 





& 



1-2 



.a! 



a 



DAY. 



61.82 



6S.7 



53-8 



14-9 



30.-640 



3o., 9 8 



30. 120 



.078 



.3807 



69.5 



S.W. 







,0 



n 















61 







10.5 



30- 1853 



30 







.051 



.4380 



84. 7 



SS-3 



S.W. 

























3 



57.07 







4 S. 

 48.4 



24-5 



30.2427 



30 

 30 



293 

 215 



30.211 



29.97S 



■ 237 



.3120 

 .4402 



79.0 



46.0 

 54-5 



N.E. ' 

 S.E. 



7 



8 



o-S 



3 





97 









3 





5 



70.10 



77 





63.0 





29.9870 



30 









■5458 



74-3 





S.W. 







6-3 



















6 



64.02 



71 







58.3 



12.7 



30.0402 



30 



076 



30 012 



.064 



4737 



79-3 



57-3 



N.E. 



5 



1 



6.3 



10 















6 





Sunday 7 









56.5 



21.2 



















,a 



6 



S 









47 









7 





8 





80 





61.3 



18.7 



30.0107 



30 



124 



29-935 



.189 







642 



S. 





6 











0.26 











9 



60.12 



67 





54-4 





30-24S7 



10 



292 



30. 164 





-3595 



70.0 



49 8 



N.E. 







S.2 





















58.57 



64 





54- S 





3Q-3445 



1" 



367 



30-313 



.054 



■3795 



77-3 



51-3 



E. 



'. 























56.18 



60 



7 



52.6 



8.1 



30.3"8 



30 



381 







■3783 



83.7 



Si-3 



S.E. 

























61.65 



67 





55.0 







1" 



153 



29.871 





-5435 



98.0 





S. 





8 





















13 



67.95 



76 



8 



58.4 



18.4 



29.7580 



29 



885 





.219 



•5975 



8.5.3 



63.0 



S.W. 



15 



; 



7-s 



10 



2 



27 



0.62 







'3 





SlINIJAV 14 



15 



57.'8o 



62 

 61 



8 

 9 



48.3 

 49-7 



■4-5 

 16.2 



30.0518 



30 



>o6 



29-978 



.128 



3937 



S2.'8 



52-3 



S.W. 

 S.E. 



5 



s 



'8.'o 



,„ 





9> 









14 









16 



58.07 



62 







7-8 







982 



29-929 





.4633 



95-S 





N. 















0.26 











'7 





64 



6 



54-3 



10.3 



29.9842 



30 



047 





.105 





81.7 



52.8 



N.E. 



























61.60 

 62.42 



69 



9 



53.6 



16.3 



29.9723 



30 



10 



020 



29-953 

 29.792 



.049 

 .228 



•3683 



71.8 



50-5 



W. 



s. 





5 



6 





° 















18 







54-8? 



63 



1 



44.8 



1S.3 



29.98:2 



30 



■83 



29.819 



■ 364 



.3238 



73-3 



46- 3 



S.W. 



>7 



3 



5-5 



10 



° 



35 



O.IO 







20 





SONO.V 21 



52-95 



53 



8 

 6 



39-5 

 44.0 



14.3 

 156 



29.9422 



v> 



094 



29.808 



.'286 



-3187 



79-5 



46 .'3 



S.W. 

 S.W. 



6 

 7 



9 



S 









9 S 

 48 



Inapp. 









SUNDA1 



22 





23 



52-33 



m 





460 



■3-6 



29.8165 



2q 





29-743 





•3'37 



79-3 



45-7 









9.2 







































■237 







33-2 































s< 





40.8 



16.1 





1" 







.308 





69.0 



38.7 



S.W. 



lb 























26 



5°-57 



•m 





43 1 



14.9 



29.9518 



10 







.078 



.3200 





46.5 



S.W. 







8.3 















26 





27 



45-42 



5" 





41.5 



10.3 



30. 1408 



30 





29.990 



.290 



•2405 



79.2 



39-2 





10 



" 



6.7 



10 



° 





0.08 







27 





Sunday 28 





53 







38. 6 





















N. 





8 









85 















47.00 



55 





38.1 



16.9 



30.3598 



30 



4SO 



30.279 



.171 



■2348 

 .3360 



.3846 



73-3 



38.5 



S.W. 

























30 



57.0 



653 



46.0 



19.3 



30.2083 



30.230 



30. 179 



.051 



71-3 

 77-9 



47-7 





19.0 



0.2 



* 



~ 



96 













Means 



57-79 



6462 



49.83 



■4-79 



30.0786 







..60 



50- 5 





11.3 



5-7S 



■■ 



51.6 



3-57 









16 yrs. means for & 

 including Ihis mo 



58-51 



66.47 



50.77 





30.0110 











75 1 









5-69 1 . 





T5.41 



3-34 







eans for and 



















1 



including 



this month 



ANALYSIS OF WIND RECORD. 



•Barometer readings reduced to sea-level and 

 temperature of 32° Fahr. 



giving a range of 0.784 inches. Maximum relative - 

















N. 



N.E. 



E. 



S.E. 



s. 



S.W- 



w. 



N. W. 



Calm. 





§ Observed. 



t Pressure of vapour in inches of mercury. 



t Humidity relative, saturation being ioo 



H Nine years only. 



The greatest heat was 80.0 on the 8th ; the 



relative humidity was 48 on the 24th. 

 Rain fell on 11 days. 

 Aurora were observed on four nights 

 Hoar frost on four days. 

 Fog on four days. 







792 





150 



709 



,070 



3262 



917 























Duration in hrs.. 

 Mean velocity... 



77 



65 



27 



S3 



99 



23. 



72 



61 



5 





















■ 2.9 







.0. 



14.1 



12.7 









greatest cold was 38.1 on the 29th, giving a 

 range of temperature of 41.9 degrees. Warmest 

 day was the 5th. Coldest day was the 28th. 



Slight earthquake at three minutes 



past three 



Greatest mileage in one hour was 38 on the 30th 



Resultant direction, S. 49° W. 









Greatest velocity in gusts, 42 miles per hour on 



Total mileage, 8,122- 











the 30th. 



Average mileage, 11.3. 





20th; lowest barometer was 29.666 on the 13th, 







Resultant mileage, 3410. 











