﻿ABSTRACT FOR THE MONTH OF DECEMBER, 1895. 



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



DAY. 





THERMOMETER. 



BAROMETER. 



tMean 

 pressure 

 of vapor 



tMeau 

 relative 

 humid- 

 ity. 



99.2 



III 



til 

 95-2 



^l 

 89 8 

 940 



86-3 

 99 



85-5 



is:8 

 94.0 



90.7 

 82.6 



Dew 



point. 



2i."8 



i-i 



19 3 



0.5 

 16 

 —0.7 



—7-5 



ztl 



is -'8 

 10.5 



42.8 



34:8 

 29.8 

 34-2 



21.1 

 28.8 



19.8 



WIND. 



I^^^t^Tb-s': 



ill 



II 

 f 



.H 



11 



II 

 ^1 



DAY 



Mean. 



Max. 



Min. 



Range 



Mean. 



Max. 



Min. 



Range. 



dirertfon. 



N.E. 



s!^w. 



S.E. 

 N. 

 S.W. 

 S.E. 



N. 

 S. 

 S. 



N. 

 N. 

 N. 

 N. 



E. 

 W 

 E. 

 S. 

 S.W. 



s. 



s. 



W. 



'^- 



S.E. 

 S. 

 W 



s. 



S. 



s. 



N. 

 S.33°W. 



Mean . 

 velocity g 



^"erC? ^ 



i 



s 



8 



's 



8 

 ~4 



s 



5 



3 





 3.5 



SUNDAV. . 





24.13 

 7.58 

 6.32 

 10.67 

 J3-33 

 20.47 



*2'o8 

 19.22 

 1.35 

 —5.03 

 —4.25 

 3.03 



13.95 



i:f: 



4707 

 37.02 



34-37 



3.-85 

 30-47 



34-42 



3«-30 

 22.46 



'4:1 

 •8-3 



■°'! 

 17.8 



27-4 



21.8 



8-S 



9-3 



28.4 

 23-5 

 29.5 



^4?:8 

 48-3 

 54-4 



i;i 



43-9 



53-2 



37.7 



u 

 5.6 



9.0 



-ti 

 —1.7 

 -9.9 

 —10.3 

 —4-7 



2.8 

 It. 4 

 1-4 

 29.5 



35-5 

 39-5 

 39-4 



35-8 

 34-3 

 32.2 

 3'-7 

 4»-5 

 23 5 



29.6 

 30.0 

 26.0 



»4.7 



1:1 



'7-4 

 20.6 



20^6 

 10.2 

 9-7 

 11. 5 

 14.0 



25.6 



ti 



15-5 



4-6 

 4-2 



5-8 



II. 7 



7o.l 



8.1 

 7,0 

 14.6 



12.73 



3^^ 

 30.244 

 30.202 

 30.090 

 30.093 



30.330 

 30.177 

 30.293 

 30.47> 

 30.467 

 30.342 



30-749 

 30.772 

 30.353 

 30-255 

 30.311 

 30-395 



3o'.o56 

 30.210 

 30-174 

 29.958 

 29.928 

 29.987 



3o!o« 

 29-353 



30.201 



29.582 

 29,68 

 30.148 

 29.996 

 29 927 

 29.723 



30.202 

 30.053 

 30.137 

 30.338 

 30.356 

 30.120 



30.390 

 30.374 



|o:;=36 



29374 

 29.109 

 29.334 



29 498 



28 924 



29.925 



.'28; 

 .340 



iS 



.370 

 .■128 



:i56 

 -133 



.222 



Si 



.340 

 .119 

 .159 

 .249 



.240 

 .251 



■J, 



.819 



■■53 



•545 

 .429 



■274 



.0678 



■0453 

 ,0927 

 .0425 

 •0307 

 .0387 

 .0483 



.'0820 

 ;i^r7 



.2350 

 .2775 

 .2752 



• 2027 



..603 



-3050 



.1667 

 .1605 



.'1820 

 .1568 



.1327 



It: 



11-37 

 7-37 

 7-75 



19.79 

 9.90 



10 71 

 15-00 

 16.12 



fs.ll 



.2.87 

 9-79 



11.54 

 .3.08 



16.00 



16.50 



23.37 

 11.29 

 ■0.92 



21,04 

 27.50 

 9-75 



J5.33 

 13-42 

 44-7' 



15.68 



li 



u 

 10.0 



'i'.i 



6.8 

 0.5 

 2.5 



6^5 



9-2 



5.5 



3-7 

 9-7 



7 7 



7-5 



9-3 

 6.1 



43 

 00 

 70 



]l 



75 



87 

 53 

 05 



•i 



67 



8° 

 '3 



79 



73 

 23 



25 



■5 



65 



05 

 27 



~.a' 



1[29.65 



inap. 



inap. 

 0.05 

 0.05 



o.1i 



0.03 

 0.32 



o.'ee 

 '■33 



■.l."6 



5-3 



inap. 

 0.3 



inap. 

 map. 



23.4 



o.'ie 



0.53 

 0.04 



map. 

 0.03 



inap. 

 0.05 

 0.05 



0.63 

 0.18 



o'o3 

 0.32 



o'ee 

 3.32 

 3.62 



I SUNDA^ 



3 



I 

 7 



8 Sunday 



9 



'3 

 '4 



SUKDAY 



3 



I 



7 



... 8 



lO 



«3 

 M 



-11 



II 

 19 



29. 68 

 29.95 



^:.1i 



5 



5 

 3 



5 



30.27s 

 30.10 

 30.196 

 30.424 



3o.4ie 

 30.227 



30.6078 

 30 5665 



30.2162 



30.2830 



16 

 >7 

 18 

 »9 



21 SUNDAV 



23 

 24 



SUNUAY 



as 

 11 



29.945 

 30.116 

 30.047 



i:S 



5 

 7 



5 

 5 

 5 



Means " 



3° 

 3" 



29.882 

 29.181 



30 

 31 



... .T... Sums 



)and including this 

 ; month. 



28.87 



30.0793 





21 Years m 

 for and inclu 

 this month . 



^ag1 



r.i ».7 









30.0294 







.295 



.0996 







f. of. 



."'i — 













..6.71 ..,. |.. 



AlfALYSIS OF WIND RECORD. 



* Barometer readings reduced to sea-level and 

 temperature of 32° Fahrenheit. 

 § Observed. 



t Pressure of vapour in inches of mercary. 

 t Humidity relative, saturation being 100. 



fl 14 years only. 1 Ten years only. 

 The greatest heat was 54.4° on the 21st ; the 

 greatest cold was -10.3" on the 13lh, giving a 



on the 17th. Lowest barometer was 28.924 on the 

 31st, giving a range of 1.848 inches. Maximum 

 relative humidity was 100 on the 2nd, 3rd, 4th, 

 .5th, eth, 7th, 8th, 9th, 12th, 13th, 14th, 17th, 19th. 

 22nd, 26th, 28th, 3Uth and 3l9t. Minimum relative 

 humidity wa.« 65 on the 12th. 



Rain fell on 10 days. 



Snow fell on U days. 



Rain or snow fell on 17 days. 



Auroras were observed on I night, 8th. 



Lunar halos on 1 night, 4th. 





N. 



N.E. 



E. 



S.E. 



s. 



S.W. 



w. 



N.W. 



Calm. 







2579 



648 



525 



1103 



3066 



1635 



1524 



589 







Duration in 



irs..! 



MS 



58 



49 



95 



193 



94 



84 



25 



. 





.Mean velocity....! 



17.79 



11.17 



10.71 



II. 61 



T5-89 



.7.39 



18.14 



23.56 





Greatest mileage in one hour was 67 on the 

 31st. 

 Greatest velocity in gusts, 80 miles per hour on 



RllultaSt di'reTtfon.'s. 33" W. 

 Total mileage. 11,669. 

 Average velocity 15.68 m. p.h. 



range 



Warn 

 the 12t 



1 temperature ot 04. i degrees. 



aest day was the 26th. Coldest day was 

 1. Highest barometer reading was 30.772 



Lunar coronas on 3 nights 

 Hoar frost on 4 Hays, 9th, 

 Earthquake shock at 12.25 

 Very heavy wind storm on 



14th. 24th and 30th. 1 

 a.m. on 9th. 1 

 31st. 1 



