﻿ABSTRACT FOR THE MONTH OF SEPTEMBER, 1897. 



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





THERMOMETER. 



BAROMETER. 



tMe.in 

 pressure 



{Mean 

 relative 





WIND. 



"iN TrNTHl." 



Ji^ 



.5 



-S . 



'1 







DAY 





1 1 









Dew 



1 Mean 









-%■£ 



75i 



r«^ 



^ E 



DAY 























of vapor. 



humid- 



Point. 



General 





c 



.; 





fi^ic 



cS 



1-5 



.5 . 









Mean. 



Max. 



Min. 



Range. 



Mean. 



§Max. 



Min. 



Range. 









direction. 





s 







94 



3" 





-rto 

































per hour 



s 









<« 









, 



63.7' 







iS.o 



30.0132 



30.050 



29.992 



.058 









S.W. 



16.88 



2.2 



8 









, 







60.32 



t8. 9 



54.4 



14.5 



30 1350 



30.254 



30 022 



.23a 



-3453 





48.8 





12.63 



2 8 



7 















3 



55-53 



634 



48.5 



■ 4 9 



30-3523 



30.376 



30.296 





3060 



70 2 



45-5 



N.W. 



9-29 





8 







79 









3 









64-7 



47.8 



16.9 



30 3265 



30 404 



30.227 



■ »77 



-3813 



85 3 



5". 3 



S.W. 



9 04 



3-7 









33 



0.00 





0.00 







^^"■•"^^ I 



tg'.'n 



76. S 

 83.2 



52-4 

 59 5 



20.7 



3o'i6;2 





30.061 



.239 



-49'7 



68 '5 



58 .'o 



S.W. 

 W. 



23.67 



0.5 





•• 



96 

 85 











Sunday 



30.300 



6- 









64.6 





14.6 





30 421 





.196 









N. 







10 









0.02 





a. 02 







8 



68.07 



78.6 



55-8 





30 ofoj 



30.187 



29 965 





• 5745 



82.5 



62.5 



S.W. 



'4-75 



3-2 







55 









8 





9 



74 43 



83^2 



656 



.7.6 



29.96*5 



30 005 



29.931 



-074 



:^i 



75.8 





S.W. 



2263 





, 







89 









9 





lo 







69.9 



.6.9 



29 96.8 



29 995 



29921 



.074 



'0 5 



68.0 



sw. 







8 







79 



0.02 





0.02 







J> 



62.33 



74-5 



525 



22. 



30.1637 



30.283 



30.063 



.220 



■3 '95 



58.0 



47 2 





.3.00 



5-0 



10 







47 



0.00 





0.00 



" 





■3 





65.0 

 74 8 





20 2 



















9.96 

 17.42 











0.2I 





OJ 



12 





64. 6J 



^ll 



18.2 



29.8470 



29.980 



29.742 



.238 



-4775 



77-2 



57 2 



s w. 



6.5 



10 



I 



33 





0.26 



■3 







^^ 



62.2 









30295 



30.053 



.242 





72.8 





w. 







10 







7S 



00 





0.00 









63.8 







30.2430 



30-345 



30.127 







76.3 



48.3 



N 



6.92 





6 





98 













i6 



60 97 



6J.3 



49' 7 





29 8970 



30 099 



29.729 



■ 370 



.4462 



83.0 



55 5 



E. 



10.13 



5-3 







29 



03 





03 







.7 



56.90 



64.7 



45-6 



19 I 



29.9040 



3002. 



29.756 



.264 



.3428 



72 



47-3 



N.W. 





3.8 



10 















■7 







48.75 



56.1 



41-3 



14.8 



29 8803 



30.015 



29.729 





.2392 





39.0 



S. 



...54 



65 



10 



° 



'7 



0.00 





0.00 







S..M>AV ,9 





65. 1 

 49-3 



%:t 























.4.63 

 12.7s 











°;;i 





12 



•9 





46.. 



1.7 



30 0723 



30 091 



30036 



.055 



.2603 



84.2 



41.7 



N. 



9-7 



10 



4 









o.,8 





21 



46.3^ 



5-.8 



40-3 



11.5 



30.M73 



30.205 



30077 





.2105 



67.2 



35-7 



sw. 



.7-38 



1-5 



8 





,6 









21 





22 



51.40 



59-5 



42.7 





30.267^ 



30 287 



30 2J9 





.2845 



75-2 



43-7 





.067 



5-8 



.0 1 





0.03 





0.00 



22 









63-5 





.8.5 



30.2077 



30 291 



30.110 





-3235 



76 2 











.0 1 











23 





24 



.s6.3^ 



62.5 



50-5 





29.9678 



30.047 



29.905 



.142 



.3782 



83 7 



51-2 





9-92 



6., 

















»5 



6,. 77 



70.9 



5>-5 



19.4 



29 9723 



30 020 



29.918 





.4.87 



76.0 



53.8 



s w. 



22.46 









93 









25 





Sunday 26 





66.9 

 47-7 



46.0 

 39-4 



=8.^ 

















s w. 



S.W. 



^t 















001 



j6 



Sunday 



42.98 



30.0958 



30.195 



29.98. 



.214 



..9.3 



68.8 



33-7 



4.8 



10 







36 



O.OI 





27 







46.17 



560 



35-5 





30.2287 



30.290 



30 166 



.124 



..8.3 



59-5 



32.0 



s w. 



19.92 



o 











97 



















43.8 



II. 4 



30.2760 





:o.242 



.075 



.2465 





39^8 



S.W. 





78 



.0 



5 



24 



o.oo 





0.00 



29 





30 



58.68 



69.4 



44.2 



25.2 



30.1225 



30 237 





9.992 



.245 



•3707 



!!'.! 



50.2 



S.W. 







■• 













30 

 3' 





^ 









^— I".B° 



66.24 



49.36 



16.88 



30.1072 



30.1924 



30.0.93 



.173' 



,3687 



73.40 



49.04 



S.63M w. 



.4 6. 



3.7" 



7.8 



^-4 



5923 



t.15 





I. IS 



Sums 





23 Years means )l 









































C 23 Years me 



ans for 



for and including J 1 58.49 

 tliis month )\ 



66.56 



50.70 



•5.87 



30.0144 







18a 



•3744 



75-5 







S 12.64 



5-41 







^5432 



3-05 



























1 month. 





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. 

 If 16 years only. « U years only. 

 The greatest heat was Sj^S on the lOtb ; the 



humidity was 98 on the 13th. Minimum 

 humidity was 40 on the 28th. 



Rain fell on 18 days. 

 Lunar Coronas on 8 nights. 



relative 



Direction 



N. 



N.E, 



E. 1 



S E. 



S. ! S.W. 



W. 



N.W. 



Ca 



LM. 





Miles 



12.7 



94 



202 



31. 



966 1 54^9 



6„ 



.553 







Duration in l.rs.. 



■3^ 



j6 



21 



30 



66 298 



47 



no 







Thunder storms on 10th. 13th and 26t 





Mean velocity..,. 



9.22 



5.88 



9.62 



"•37 



■4-64 1 ■8.35 



14-87 



14. .6 





























greatest cold was 35= .5 on the 28th, giving a range 

 of temperature of 51.3 degrees. 









Greatest mileage in one hour was 33, on the Resultant mileage, 5838. 













Sth Resultant direction, S. 63o 



W. 





Warmest day was the 10th. Coldest day was 









Greatest veloo 

 the Sth, 27th and 3 



ty in gu 

 0th. 



sts 36 m 



les per 1: 



our on 



Total n 

 Averae 



lilea 

 eve 



se.lO 

 ocity 



.51 

 14 



.61 m. J 



.h. 





the 27th . Highest barometer reading was 30.421 on 

 the 7th. Lowest barometer was 29.610 on the 26th 

 givingarange of .781 inches. Maximum relative 















