

ABSTRACT FOR THE MONTH OF SEPTEMBER 1914. 



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





DAYS. 



THERMOMETER 



• BAROMETER 



1 Mean 

 relative 

 humid- 

 ity. 



WIND 



o r° = 

 S S g 



a| 



g! 



21 



DAYS. 





t 

 Mean. 



Max. 



Mm. 



Range. 



t 

 Mean. 



Max. 



Min. 



Range. 



General 



velocity 

 per hour 





1 

 2 

 3 



4 

 6 



7 



8 

 9 

 10 

 11 

 12 



14 

 16 

 16 

 17 

 18 

 19 



21 

 22 

 23 

 24 

 25 

 28 



Sondm . ..27 

 28 

 29 

 30 



08.5 

 73.9 

 66.2 

 61.9 

 00.4 



58.4 

 68.1 

 51.8 

 61.5 

 62.5 

 63.9 

 56.8 



67.2 

 69.6 

 61.7 

 62.1 

 66.0 

 67.0 

 59.4 



64.7 

 71.4 

 75.6 

 68.6 

 57.0 

 52.7 

 48.0 



46.0 

 42.5 

 42.5 



47.8 



78.2 

 82.9 

 73.9 

 69.2 



69.4 



02.0 

 60.0 

 59.3 

 67.2 

 58.2 

 62.3 

 67.2 



69.4 

 69.9 

 72.7 

 73.6 

 77.3 

 73.8 

 69.3 



74.3 

 79.1 

 84.2 

 78.2 

 60.1 

 57.2 

 64.2 



52 

 47 1 

 51.4 

 52.0 



68.3 

 08.2 

 68.0 

 55.2 

 52.0 



55.6 

 50.0 

 47.9 

 40.2 

 47.0 

 40.4 

 44.5 



46.0 

 48.4 

 49.3 

 60.4 

 61.2 

 60.0 

 60.9 



61.5 

 63.8 

 08.5 

 00.0 

 62.8 

 40.1 

 41.0 



42.0 

 36.5 

 32.1 

 44.0 



19.9 

 14.7 

 15.9 

 14.0 



17.4 



6.4 

 16.0 

 11.4 

 11.0 

 11.2 

 15.9 

 22.7 



22.8 

 21.5 

 23.4 

 23.2 

 26.1 

 13.8 

 18.4 



22.8 

 16.3 

 15.7 

 18.2 

 7.3 

 11.1 

 13.2 



10.6 

 10.0 

 10.3 

 8.0 



29.92 

 29.79 

 29.88 

 29.81 

 30.02 



29.83 

 29.73 

 30.04 

 30.23 

 30.24 

 30.21 

 30.30 



30.46 

 30.40 

 30.35 

 30.39 

 30.30 

 30.20 

 30.16 



29.99 

 29.98 

 29.88 

 29.82 

 29.86 

 29.90 

 30.11 



30.12 

 30.38 

 30.24 

 29.98 



29.98 

 29.84 

 29.98 

 29.90 

 30.07 



29.98 

 29.89 

 30.10 

 30.26 

 30.28 

 30.24 

 30.39 



30.51 

 30.53 

 30.40 

 30.41 

 30.38 

 30.25 

 30.23 



30.10 

 30.03 

 29.97 

 29.88 

 29.89 

 30.11 

 30.10 



30.27 

 30.43 

 30.43 

 30.14 



29.83 

 29.73 

 29.81 

 29.79 

 29.97 



29.66 

 29.65 

 29.90 

 30.17 

 30.19 

 30.18 

 30.23 



30.40 

 30.38 

 30.32 

 30.34 

 30.21 

 30.16 

 30.10 



29.86 

 29.94 

 29.78 

 29.79 

 29.83 

 29.84 

 30.03 



29.95 

 30.28 

 29.96 

 29.87 



.15 

 .11 

 .17 

 .17 

 .10 



.32 

 .24 

 .20 

 .09 

 .09 

 .00 

 .10 



.11 

 .15 

 .08 

 .10 

 .17 

 .09 

 .13 



.24 

 .09 

 .19 

 .09 

 .00 

 .27 

 .13 



.32 

 .15 

 .47 

 .27 



76 

 75 

 58 

 61 

 60 



79 

 79 

 07 

 62 

 59 

 02 

 55 



60 

 05 

 04 

 05 

 59 

 53 

 55 



65 

 04 

 01 

 75 

 81 

 72 

 52 



73 

 54 

 02 

 79 



SW 

 W 

 W 

 W 

 W 



s 



NW 

 NW 

 NW 



NE 

 NE 

 W 



S 



s 

 vv 

 w 

 w 



NE 



NE 



SW 



w 

 w 



NW 

 W 

 NW 

 NW 



N 

 NE 



S 

 N 



8.8 

 11.5 

 11.4 

 11.6 

 10.5 



10.5 

 9.7 



11.5 

 9.6 

 7.0 

 5.5 

 4.5 



3.6 

 5.0 

 6.8 

 5.3 

 8.0 

 9.5 

 7.6 



13.2 

 13.5 

 13.9 

 12.1 

 6.5 

 10.5 

 11.3 



8.7 

 9.1 

 0.8 

 8.0 



29 

 47 

 94 

 6S 

 99 





 16 

 39 

 41 

 34 

 79 

 93 



02 

 81 

 84 

 92 

 91 

 79 

 97 



57 

 87 

 92 

 40 

 

 38 

 95 



35 

 53 

 70 

 



.18 

 .76 



.'io 



.36 

 .24 

 .12 



't 

 !6i 



.26 

 .15 

 .01 



.35 



!62 

 T 





.18 

 .76 



.Yd 



.36 

 .24 

 .12 



t' 



.01 

 .26 

 .15 

 .01 



.35 



'.02 

 T 



1 



2 

 3 

 4 

 S 



7 



S 



9 

 10 

 11 

 12 



14 



15 

 16 

 17 

 18 

 19 



20 . SrND»T 



21 



22 



23 



24 



25 



26 



27 Sunday 



28 

 29 

 30 





Means , ,, 



58.769 



00.74 



50.81 



15.93 



30.090 



30.173 



30.005 



.108 



65.11 





9.08 



67.35 



2.56 





2.50 







40 Years means) 

 for and Including V 

 this month. ) 



58.40 



00.24 



50.80 



15.38 



30.021 







.192 







12.115 



63.121 



3.40 





3.40 



(40 Years means 

 for and Includ- 

 1 ing this month. 





ANALYSIS OF WIND RECORD. 



The greatest heat was 81 2° above zero on the 

 22nd. The greatest cold was 32.1° above zero 

 on the 29th. giving a range of 52.1V 



The warmest day was the 22nd. The coldest day 

 was the 20th. 128th hnd the sump mean tempera- 

 ture.) 



The highest barometer reading was 30.53 on the 

 14tb. The lowest barometer reading was 29.05 

 on the 7th. This gives a range of .88 of an inch. 



The minimum relative humidity observed was 

 31 on the 20th. 



Fog on 2 days. 



Hail on 1 day. 



Aurora on 1 day. 



• Barometer readings reduced to sea-level and 

 temperature 32° Fahrenheit 



t Mean of bi-houriy readings taken from self- 

 recording instruments. 



X Humidity relative, saturation being 100. Meaa 

 of readings taken every four hours from self-record- 

 ing hygrometer. 



§ 20 years means. 

 1 33 years means. 





























N 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 



CALMS 











232 



770 



05 



112 



476 



1008 



1S90 



1895 













Duration in hours. . . 



33 



94 



17 



18 



61 



108 



190 



182 



17 







7.0 



8.2 



0.0 



6.2 



7.8 



9.9 



9.9 



10.4 













Total mileage, G53S. 

 Resultant direction, 

 Resultant mileage. 



N 70° O'W. 



1305. 







