

DAYS. 



1 

 ■ 



3 

 4 





ABSTRACT FOR THE MONTH OF APRIL, 



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



1914. 



H. McLEOD, Superintendent. 











THERMOMETER 



• BAROMETER 



[Mean 

 relative 

 humid- 

 ity. 



WIND 



§15 

 Sag 

 a. -3 A 



%i 



■as 



"ef 



.gl 



°S 



31 



DAYS. 





t 

 Mean. 



30.8 

 33.3 

 24.7 

 28.6 



31.3 

 20.7 

 32.0 

 32.5 

 30.2 

 34.5 

 37.4 



30.6 

 22.2 

 31.6 

 34.6 

 35.3 

 46.4 

 63.2 



00.1 

 38.5 

 37.2 

 42.0 

 30.4 

 44.1 

 45.8 



40.5 

 60.7 

 52.7 

 38.0 

 42.0 



Max. 



Miu. 



Range. 



1 



Max. 



Min. 



Range. 



General velocity 



direction. In miles 



per hour 





45.0 

 37.2 

 30.6 

 35.0 



37.0 

 34.0 

 38.1 

 34.0 

 33.6 

 42.2 

 43.5 



40.0 

 28.0 

 38.0 

 43.4 

 40.2 

 50.7 

 02.8 



74.2 

 65.0 

 46.1 

 54.6 

 46.5 

 52.2 

 54.4 



44.2 

 60.5 

 62.2 

 44.0 

 51.7 



28.3 

 28.6 

 18.1 



21.4 



27.0 

 26.6 

 24.2 

 31.2 

 25.0 

 25.0 

 32.0 



10.0 

 13.9 

 24.4 

 2S.7 

 30.0 

 34.8 

 43.9 



50.5 

 29.8 

 29.1 

 30.0 

 25.9 

 35.3 

 33.5 



39.3 

 38.8 

 44.0 

 35.1 

 30.3 



17.3 

 8.0 

 12.5 

 13.0 



9.1 

 7.4 

 13.9 

 3.7 

 8.6 

 17.2 

 11.5 



20.1 

 14.1 

 13.6 

 14.7 

 9.6 

 21.9 

 18.9 



23.7 

 20.1 

 17.0 

 24.0 

 20.0 

 16.9 

 20.9 



4.0 

 21.7 

 18.2 



8.9 

 15.4 



30.01 

 29.60 

 29.90 

 30.00 



30.09 

 30.14 

 30.08 

 29.77 

 29.73 

 29.90 

 29.80 



29.79 

 30.30 

 30.19 

 30.22 

 29.88 

 29.95 

 29.97 



29.64 

 29.74 

 30.01 

 29.98 

 30.35 

 30.36 

 30.23 



30.02 

 30.14 

 30.10 

 30.13 

 30.13 



30.35 

 29.74 

 30.02 

 30.15 



30.16 

 30.16 

 30.15 

 29.91 

 29.76 

 29.99 

 30.00 



30. 1 1 

 30.30 

 30.25 

 30.35 

 30.05 

 30.05 

 30.09 



29.76 

 29.87 

 30.07 

 30.25 

 30.41 

 tO. 42 

 30.33 



30.07 

 30.10 

 30 15 

 30.17 

 30.16 



29.61 

 29.48 

 29.78 

 30.04 



30.04 

 30.10 

 29.98 

 29.08 

 29.70 

 29.78 

 29.71 



29.51 

 30.17 

 30.13 

 30.07 

 29.79 

 29.84 

 29.78 



29.56 

 29.57 

 29.87 

 29.85 

 30.27 

 30.27 

 30.14 



29.99 

 30.00 

 30.03 

 30.11 

 30.09 



.74 

 .26 

 .24 

 .11 



.12 

 .06 

 .17 

 .23 

 .06 

 .21 

 .29 



.60 

 .19 

 .12 

 .28 

 .26 

 .21 

 .31 



.20 

 .30 

 .20 

 .40 

 .14 

 .15 

 .19 



.08. 

 .13 

 .12 

 .06 

 .07 



07 

 58 

 44 

 53 



61 

 03 

 65 

 87 

 69 

 57 

 02 



56 

 46 

 59 

 59 

 71 

 47 

 00 



60 

 84 

 64 

 49 

 36 

 31 

 44 



81 

 07 

 74 

 03 

 37 



SW 

 NE 

 NVV 

 W 



w 



w 



SE 

 NE 

 W 

 W 

 SW 



NW 

 NW 



W 

 NE 

 NE 

 NW 



W 



' W 

 NE 

 W 

 NW 



NW 



N 

 SE 



S 



SE 

 SW 

 NE 

 NE 



13.1 

 14.5 

 17.2 

 15.3 



15.0 

 14.4 

 10.7 

 17.0 

 19.4 

 25.5 

 24.2 



21.8 

 10.4 

 8.4 

 15.2 

 13.5 

 11.0 

 17.9 



21.2 

 23.0 

 12.2 

 24.8 

 17.0 

 8.1 

 14.4 



17.6 

 8.5 

 13.2 

 18.1 



16.8 



35 

 17 

 83 

 91 



74 

 7 



38 

 



50 



98 

 



48 

 96 



7 

 85 





 90 

 49 



22 

 

 42 

 76 

 94 

 92 

 21 





 57 

 2 

 

 SO 



.14 

 .03 



^01 



't 



.'64 



,'ci 



.11 



.03 



.15 

 T 

 .11 

 .07 



T 

 T 



0.3 



T 



2.6 

 0.3 



0.7 



6!e 



.14 

 .03 



t" 



.02 

 T 



.69 



.02 



"t 



.00 



o.'i 

 o.'i 



.11 



.t8 



.15 

 T 

 .11 

 .07 



1 

 3 



5 

 6 

 7 

 8 

 9 

 10 



12 

 13 

 14 

 15 

 16 

 17 

 18 



20 



21 

 22 

 23 



24 



25 



20 

 27 

 28 



2<J 

 30 

 31 



SONDAT 







(i 

 7 



s 



B 



in 

 11 



12 



1:1 

 i 



10 

 17 

 16 



20 

 21 

 22 

 23 



26 



20 

 27 

 28 

 20 

 30 

 31 









s™»,.... 







37.83 



45.58 



30.42 



15.15 



30.009 



30.120 



29.900 



.220 



59.34 





16.00 



45.04 



1.12 



4.5 



1.53 





.Sums 









40 Years means) 

 lor and including 

 tin* month. 1 



40.70 



4S.05 



33.01 



15.01 



29.956 







.212 



06.37 





15.93§ 



49.041 



1.78 



5.35 



2.35 



1 40 Years meanB 

 for and includ- 



l ing this month. 











ANALYSIS OF WIND RECORD. 





Tho greatest heat was 74.2° above zero on the i * Barometer readin 



19t J"; ,™° ereuteSt CO ' d "fr,! : ',r ab0V ° Zer ° i temperature 32" Faliie 

 on the 13th, giving a range of GO. 3°. *^ 



Mean of bi-hour 



The warmest day was the 19th. The coldest day n Ai „„ ;„„.„,„.„..„ 



was the 13th. recording instruments. 



1 The highest barometer reading was 30.42 on the i Humidity relafv 

 24th. The lowest barometer reading was 29. 4S of readings taken eve 

 on the 2nd, giving a range of .04 inches. | j ng hygrometer. 



li The minimum relative humidity observed was ' ^ 33 years means. 



1 20 on the 30th. 



5 2S years means. 



;s reduced 

 iheit 



, saturation 

 ■y four hours 



t') sea-level and 

 taken from self- 

 being 100. Mean 

 from self-record- 























Direction .... 



N 



N.E. 



E. 



S.E. 



S. 



S.W. 



W. 



N.W. 



CALMS 





Miles 



533 2588 



385 



028 



747 



1522 



3327 



; 1789 







Duration i 



hum 





40 



143 



34 



55 



53 



87 | 189 



1 in ! 





Mean Velocity.. 





11.0 



j 18.1 j 11.3 



11.4 14.1 



17.5 17.6 



j 10.1 









The urea 

 The urea 

 Resultan 



estm 

 est ve 



mil,-. 



leaee in one 



oHiv in mis 

 Be, 3303. 



hour was 40 on the 12th, 



s was 4S on the 12th. Total mileage. 1 1510. Re 



sultant direction, NG0°W 



Hnil on 



2 days. Lunar halos on 



1 night. 









