﻿ABSTRACT FOR THE MONTH OF AUGUST, 1897. 



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





DAY 



THEHMUMETER. BARO.VlETtR. 



pressure 

 of vap.,r 



Mean 

 relative 

 humid- 



iiy. 



Dew 



Point. 



. WIND. 



^i;^r;^r 



1 



ii 



1 



ll 



DAY. 





Mean. 



Ma.x. 



Min 



Range. 



Mean. 



§Max. 



§Min. 



Range. 



General 

 direction. 



Mean 

 per hou 



J 



1 



5 

 5 



6 



ill 







3 



7 

 9 



'3 

 14 



\l 

 '9 

 20 



=3 

 2» 



11 



11 



29 



69 32 



Vo° 

 67.33 



70 ■ 7 



70.45 

 67.82 



f^s 



61.25 

 64.12 



70 40 



It.tl 

 6.-33 

 57-95 

 62.00 



53 "38 

 54-52 



C0.I3 

 64.00 

 64.63 



Ill 

 80 6 



75-7 

 77-8 

 81.S 



8j.o 

 80.6 

 77.3 

 75.4 

 72.7 



ttt 



80.5 



fl 



67.9 

 63,0 



64.6 

 60.7 



III 

 67.3 

 72.7 



77.7 

 l°7'.5 



6 .6 

 66 

 60.5 



lit 

 57-4 

 64.2 

 III 

 t^ 



We 



tl 



57-5 



lU 



53 3 

 50.1 



46-3 



Ts.t 

 .52.1 

 55 ° 

 53.0 

 61.3 



III 

 52.3 



14.6 

 7.8 

 17.7 

 15.0 



17.8 



Is';: 



\l:l 

 10-6 



10.5 



"ti 

 15.6 

 I. .9 

 9.7 



2r.9 



10 9 

 ■2.3 



Zl 



20.5 

 12.3 



15-2 





925 

 047 



III 



43 



085 



;| 

 645 



=90 



!« 

 402 

 750 



1 



58 

 65 

 93 



32 

 50 



30 

 30 

 30 

 30 

 30 

 30 





29'. 980 

 29 980 

 30.067 

 30.112 

 30-050 

 30.025 



29.864 

 29.744 



29,514 

 29.547 

 29.827 

 29.905 



29 544 

 29-577 



m 



29.901 



29.99. 

 29 807 

 29.664 

 29 909 



39-715 

 29.786 



29' 896 

 29.936 





■^ 

 -4737 

 4242 

 • 4597 

 .5127 



'i:i8 

 .56J0 



.4202 



-4523 

 •4193 



■3663 

 -3857 



■;2873 

 -3943 

 •5035 



■-:;62^ 

 .5140 



•■.4160 

 .3643 



79 

 79 

 64 2 

 62.2 

 66.8 



sVl 



90.5 



ll.l 

 70.7 



80.0 

 883 

 76.5 

 86 5 

 77-" 

 69 8 



70.'3 

 91.9 

 94.3 



B 



73-0 

 70.5 



63.8 

 65 7 

 57 3 

 54.3 

 56.3 

 59.2 



60 

 61.7 



62.2 



55 2 

 54 2 

 54.2 



ei.'s 



562 

 54 2 

 57.2 

 50 3 

 51.8 



43 8 

 52.0 

 59-2 

 53-7 

 57 5 

 39 5 



"50,2 



N.E 



N.E. 



N E 



S.W. 

 S.W. 



siw: 



N.E. 

 S.E. 



N.E. 



S.E. 

 S W. 

 S-W. 



s. 

 s'w' 



S.W. 



IT- 



N. 



s w. 



S.W. 

 S E. 

 S.W. 



S.W 



s w 

 s w. 



7.42 

 5.37 

 M.54 



9-54 

 14 33 



S.'oS 

 13.00 

 17.92 

 12.92 



9.21 



12 33 



'5 33 

 17 67 



13 25 

 .6,58 

 ■9 50 



12.62 



7 9- 

 7.91 

 10 96 

 ■ ■.25 

 14.17 

 '4 79 



tf'. I, 



•i 



7^8 

 9 3 



63 



6.7 

 8.0 

 4.3 



0.3 



30 



3-5 

 3.7 

 5 2 



6 

 6 



9 



6 



7 

 8 



5 

 5 



60 

 57 

 27 



95 



8l 



! 



75 

 39 



57 



47 

 55 



61 



sl 



97 



1 



90 

 49 



0.0s 



09 

 0.23 



0.25 

 0.24 



03 



a.02 

 0.54 



0.05 





0.05 



0.00 

 009 



0.2J 

 0.00 



0.25 

 0.24 



0.03 

 0-54 



05 











29.9 

 30.0 

 30 I 

 30.1 

 30 I 

 30.0 



.015 

 .037 

 .165 

 190 



:;5'^ 





035 

 057 

 098 



>33 



io3 

 '3' 



17^ 



157 

 117 



3 



I 

 7 



8 



,0 



•3 

 '4 



II 



■7 

 18 

 '9 



24 



ll 

 27 



28 



»9 



30 

 3< 



....Sunday 

 ....Sunday 



...Sunday 





Sunday 



29.9 

 29.8 

 29 5 

 29 6 

 29.9 

 29.91 



29*6 

 29 7 



III 

 29 9 

 29 9 



29-693 

 29.824 



29 984 



30 022 





29 7.5 

 29.849 



29 89? 

 3<J.020 



30.044 





272 





SUNUAV 



29.7 

 29,9 

 29.8 

 29.8 



29.982 



29 9«2 



29 969 



29.926 

 29.987 





•45 



18^ 



073 



'tl 



030 

 051 





29 9 

 29.9 









63.94 



71.99 



57.17 



14.83 



29.9057 



29.9714 



29-84)3 



.1281 j .4633 



77-09 



56.42 



S.47-!/2W, 



12 54 



4 94 



8.26 



1 46*55 iC 



«-95 





■ 95 





















.3 Vearsmeansil 

 for and including Si 66.59 

 this month ^1 



75-17 



58.6. 



.630 



29.9399 







.134 1 -4800 



73-18 















1i58.5> 



3.60 





3 60 



[ 23 Year-s means for 

 <and including this 







b 12.50 1.... 







ANALYSIS OF WIND RECORD. 



• Barometer readings reduced to sea-level and 

 temperature 32» Fahrenheit. 



§ Observed. * 

 t Pressure of vapour in inches of mercury. 

 t Humidity relative, saturation being 100. 

 IT 16 years only, a 11 years only. 

 The greatest heat was 82''0 on the 8th ; the 

 greatest cold wa-s 4i.° 9 on the 23rd, giving a range 

 of temperature of '-iTl degrees- 

 Warmest day was the 3Vd. Coldest day was 

 the 23rd. Highest barometer reading was 30. 190 on 

 the 5th. Lowest barometer was 29.514 on the 11th 

 giving a range of 0.676 inches. Maximum relative 



humidity was 99 on the 25th. Minim 

 humidity was 49 on the 14th. 



Rain fell on 21 days. 



Auroras were observed on 2 nights 

 and 23rd. 



Lunar halo on 1 night on 7th. 

 Lunar Corena on s'nights on 12ih, 15th 



ThunderstoriTia nn fi flova— nn Iflth 



im relative 



on 20th and 



anj 19th. 

 15th, lUth, 





Direction 



N. 



N.E. 



E. 



S E. 



s. 



s.w. 



W. 



N.W. 



Calm. 





Miles 



388 



885 



107 



1107 



664 



4698 



8.5 

 63 



59 



_ 





Duration in hvs.. 



44 



,.0 



.. 



38 



5> 



3.8 





Mean velocity 



8.82 



8.05 



9 73 



.2,58 1 ,3.02 



'4. 77 



12.94 



...5. 







Greatest mileage in one hour was 27, on tue Resultant mileage, 4570. 

 30th. Resultant direction, S. 47= i W. 



Greatest velocity in gusts 36 miles per hour on Total mileage, 93«. 

 the 30th. 



25th and 27th. 











