

ABSTRACT FOR THE 



MONTH OF JULY, 1914. 









Meteorological Observations, Taken at McGill College Observatory. Height above sea-level, 187 feet. C. H 



McLEOD, Superintendent. 









THERMOMETER 





•BAROMETER 





t Mean 

 relative 



WIND 



! £ J 



= ■ 



3. 



"a 



DAYS. 





DAYS. 



















ity. 



General 



velocity ^ "3 m 



1" 









Mean. 



00-8 

 50.7 

 60.7 

 08.1 



Max. 



Min. 



Range. 



Mean. 



Max. 



Min. 



Range. 





direction. 



per hour 















1 



69.0 



49.5 



20.1 



30.11 



30.20 

 30.04 



29.99 

 29.91 



.21 

 .13 



63 

 79 



SE 

 NE 



8.1 

 10.7 



75 

 2 



T 

 .24 





T 

 .24 



1 

 2 





3 



4 



09.8 

 79.2 



50.9 

 54.8 



18.9 



24.4 



30.11 

 30.00 



30.13 

 30.12 



30.07 

 30.01 



.11 



59 



SW 



9.9 



91 









4 







08.5 











30.12 



30.01 



.11 



69 



w 



8.2 



38 



.07 





.07 



6 











22.0 



30.11 



30.20 



30.03 

















.03 

 T 





7 



08.6 

 71.3 



73.0 



63.6 



9.4 



29.87 



20.98 

 30.11 



29.84 



.27 



70 



NW 



11.0 



48 



T 





8 

 9 

 10 

 11 











17.1 



30.11 



30.18 



30.02 





























25.2 



29.95 



30.02 



29.85 





62 













.07 





11 



71.6 



83.7 



60.2 



17.5 



29.88 



29.92 



29.84 





























29.89 



29.97 



29.87 



.10 



48 





8.0 



94 









12 Sunday 



13 



14 



15 



10 



17 



IS 













18.4 



29.92 



29.97 



29.87 





























27.7 



29.91 



29.97 



29.87 

































29.94 



29.81 





























18.9 



29.78 



29.80 



29.70 



.16 



69 

























18.7 



29.61 



29.06 



29.51 





72 

















IS 



09.0 



78.2 



02.0 



15.0 



29.72 



29.80 



29.01 





50 

























10 3 



29.91 



29.97 



29.88 



.09 



53 



NW 



9.6 



47 









19 SUNDAY 



20 



21 



22 

 23 

 24 













23.3 



29.92 



30.00 



29.82 



.18 



47 

























20.0 



29.87 



30.07 



29.79 



.28 



51 

























27.4 



30.11 



30.17 



30.08 





























11.9 



30.02 



30.10 



29.96 



.14 



75 

























20.5 



29.95 



30.01 



29.87 



.14 



66 

















25 



72.2 



85.0 



64.9 



20.1 



29.78 



29.86 



29.68 



.18 



66 















2d 













20.8 



29.92 



30.01 



29.86 



.15 



52 



NVV 



10.4 



80 









26 Sondat 













17.0 



29.98 



30 04 



29.92 



.12 



53 































30.03 



29.98 



.05 



























55.0 



12.9 



30.11 



30.20 



30.01 



.19 



63 



























21.2 



30.22 



30.30 



30.17 



.13 



56 



















31 



C 



i 



8.5 



80.0 



55.3 



24.7 



30.09 



30.16 



29.97 



.19 



54 





















8.20 



77.73 



58.85 



18. SS 



29.961 



30.038 



29.889 



.149 



60.55 





8. 88 



r.s. 21 



0.96 





90 



Sums 





































|"40Yearsmeans 





lor ninl Including ■ 

 this month. ) 



09.02 



77.47 



60.98 



16.49 



29.898 







.145 



71. OS 





12.37§ 



59.5211 



3.834 





3.834 



for and includ- 



1 in^ this month. 





ANALYSIS OF WIND RECORD. 





The greatest heat was 91.0" above zero on the 



• Barometer readings reduced 



to sea-levei and 









































on the 1st, giving a range of 41.5°. 





t Mean of bi-hourly readings 



aken from self- 









































was the 2nd. 









being 100. Mean 













Mllea 



171 [ 1041 



200 



243 



355 



1376 | 672 



1879 





The highest barometer reading was 30.30 on th 

 30th. The lowest barometer reading was 29.5 

 on the 17th, giving a range of .79 inches. 



The minimum relative humidity observed wa 



i 



of readings taken every four hours 

 ing hygrometer. 



from self-record- 









Duration in hours.. . 



20 | 183 



47 



32 



51 



144 | 81 



177 









Mean Velocity.. 





0.8 1 9.0 



5.7 7.6 



0.0 



9.0 8.3 



10.6 







§ 26 years means. 

 1 33 years means.' 



























23 on the 12th and 14th. 













The greatest mileage in one hour was 10 on the 21st and 25th. 















Total mileacc. IHiO'.l 

 1 Resultant direction. N50°W. Resultant mileage. 1803. 





Thunderstorms on 4 days. 











