Meteorological Abstract for trie Year 1904. 



Observations made at MoGill College Observatory, Montreal, Canada. — Height above sea level 187 ft. Latitude 1ST. 45° 30' It". Longitude 4 h 54™ 18'-67* W. 



C. H. McLEOD, Superintendent. 





Theruujietkb. 



• Barometer. 



I \ 



Wind. 



& 



Precipitation. 



Month. * 







| 



1 - s 



| 



In 



||| 





|Js 





Month. 



i 



IT fjoviu- 



i<ui In. In 

 ::n year.-, 



a 



P. 



Iff 



i 



I 



I 



He 



Resultant 

 direction. 



Mean 



per liour 





Jamiury 



Kbrann 



8.17 



7.23 



21 7H 



:i" 27 

 :a 72 



HI HI 



m ::h 

 01 39 

 .1 22 

 ■13 .".'J 

 29 III 

 9.44 



- 4. 12 



- 3.22 



- .21 



- 1.62 

 + 4.79 



- .13 



- .42 



- 2.0B 



- 4.27 



- 2,52 



- 2.01 

 -9.17 



34.5 

 38.0 

 44.2 

 Ml. 8 

 78.9 

 83.8 

 90.1 

 81.8 

 74.1 

 08.0 

 51.8 

 36.4 



—20.7 



— 18.7 



— 5.4 

 19.5 

 39.8 

 46.6 

 49.5 

 50.0 

 34.2 

 23.0 



6.9 



— 14.0 



15.6 

 16.0 

 14,8 

 14.3 

 18.9 

 16.3 

 15.4 

 15.4 

 14.4 

 13.1 

 11.9 

 12.7 



30.077 

 30.114 



311 (»,2 

 29.943 

 2.1.921 

 ■29 93.1 

 2!' 929 

 2'.l (IS1 

 30 039 

 311 034 

 29.959 

 39032 



30.90 

 39.61 



30.94 

 31) 5(1 

 30.30 

 30 .30 

 30.18 

 30.33 

 30.57 

 30. .17 

 30.72 

 30.02 



29.21 



29 31 

 29.14 

 29.43 

 29 12 

 28.48 

 29.44 

 29.54 

 29 34 

 2921 

 29 21 

 29.08 



.36 

 .32 

 .86 

 .24 

 .18 

 .17 

 .12 

 .23 

 .25 

 .20 

 .27 

 .30 



78.4 

 75.4 

 S2 9 

 76.0 

 66.5 

 85.0 

 77.5 

 77.5 

 S3. 3 

 B7.8 

 si; t 



79.2 



West 

 S. 83° W. 

 8. 09 • W. 



West 

 S. 59° W. 

 N. 51° W. 



.\'.7.:°\r. 



S. 74' W. 

 S. 66" W. 

 S. 43° W 

 N. 30° W. 

 ST. 80° W. 



16.66 

 19.26 

 17.50 

 17.05 

 15.62 

 9.70 

 8.94 

 11.69 

 13.00 

 11.64 

 12.57 

 11.65 



17.8 



24.8 

 38.8 

 33.7 

 56.0 

 60 4 

 54.0 

 60.6 

 43.8 

 35.1 

 21.0 

 28 8 



6"35 



2.40 

 3.14 

 4.80 

 2.81 

 2.95 

 5 26 

 6.66 

 3.21 

 0.39 

 0.48 



32.45 



3 

 7 

 12 

 11 

 13 

 17 

 13 

 15 

 14 

 6 

 3 



38.3 

 21.5 

 15.9 

 6.S 



'6'6 



0.0 

 10.6 

 30.3 



21 

 20 

 14 

 5 



i 



1 

 9 

 17 



3.65 

 2.51 

 4.01 

 3.81 

 t.80 

 2.81 

 2.95 

 6.26 

 6.60 

 3.21 

 1.22 

 3.36 



'3 

 4 

 





 

 

 3 



21 

 20 

 17 

 17 

 11 

 13 

 17 

 13 

 16 

 15 

 15 

 17 



January 



February 



July- 





M\ ... 

























WM 



— 2.'60 







ii.'o 



30.'d07 







'.28 



79.7 



S. 82°"w. 



iio 



39 .'6 



114 



123.1 



88 



44. 25 



10 



192 









Minim l.ir :JI Jiinrs loidiliR 1 



42.00 











29.980 









75.7 





14.75 



§45-1 



29.05 





120.4 





41.08 







S Means for 30 years 



ending 







level, t The monthly thermometer and barometer i 



•IfiiMinctor i'4'inlii.i'.. reduced lo?.2° Full.. _ 



Sliimliinl li 11 "+" itidirrtti's dm I I In.' lemniTi.l lire h;is been ln«h--r: " — " I lint .if ll'tH Ij.hj" l<>\ 



durivoai'nmi obscrvulitjriH miidf at HI,, IB A. and 20 h. § For 23 years only, n For 18 years only. 'J 

 , TliORruidoHt bout was 90.1° (Fab.) above zero on July 19ib; the greatest cold was 20.7 bolo 



The total mileage of v 



> I'Vb. Hi, Muichllrdaud April. Ml 



"' ■"ii2iiudilH. Annmi.smi 3 rug... -. 



hurlliiniakcs on Mnreh .'1st and Sept. 14lh. 



i 21 duys ; total numbor of thunderstorms 2-1. First sleighing of winter 



than the a . . 

 anemometer and wind \ 

 ;ero on Jan. 4th. The 

 j mean temperature was 78.3° above 

 leage of wind recorded 



t of Mount Royal, 54 feet above the ground, and 807 feet 

 of temperature was, therefore, 110.8°. Greatest thermometer range 



Itant direction of the wind for the ye 



oldc.4 d:iv v 

 wits sunn Feb. tilth, 

 > S. 82° \V.,aud the r 



temperature i 



leagu 4<ii7S. ljuiiurhnln was observed l 



IWim 2 J:iyM ; |.hitridtirnt'»!iii.H i 



li 8oM. 21st. 



Now,— The yearly moans of the above are the uvoragos of the monthly t 



.27th. The first ufi-reeiablu -nowfallof the autumn \ 



i Nov. 25th. The firft trace of s 



, except for the velocity of the wind. 



