1,4 



SCIENTIFIC INTELLIGENCE. 



[1854. 



Monthly Meteorological Register, at the Provincial Magnetical Observatory, Toronto, Canada West.— December, 1853, 



Latitude, 43 deg. 39.4 min. North. Longitude, 79 deg. 21. min. West. Elevation above Lake Ontario, 108 feet. 







Barom. at tern, of 32 deg. 



Tem. of the Air. 



Tension of Vapour. 



Humidity of Air. 



Wind. 



Mean 





-w 





























Vel'y Rain 

 in | in 



Snow 



a 







10 





6 



2 



10 





6 



2 



10 





6 



2 



10 











in 



1 



6 A.M. 



2 P.M. 



P.M. 



Mean. 



A.M. 



P.M. 



P.M. 



m'n. 



O 



29.33 



A.M. 



0.155 



P.M. 

 0.113 



P.M. 



0.127 



m'n 

 123 



A.M. 



91 



P.M. 



70 



P.M. 



78 



m'n. 

 75 



6 a.m. 



2 p.m. 



10 P.M. 



Miles 

 5.57 



Inch. 



Inch. 



n> 



29.760 



29.741 



29.683 



29.729 



O 



30.5 



o 



29-3 



o 



29.4 



NbE 



NNE 



NEbN 



Inap. 



h 



9, 



.624 



.593 



.634 



.616 



26.0 



28.5 



29.8 



28.02 



.122 



.122 



.122 



,124 



86 



77 



73 



80 



NE 



NE b N 



N bW 



5.49 







h 



3 



.584 



.768 



.902 



.767 



31.8 



29.5 



22:0 



26.97 



.148 



.113 



-096 



,117 



82 



70 



79 



77 



NWbN 



NW 



NbW 



8.96 









4 



.945 



.909 











19.0 



28.4 







. . 



095 



134 









89 



84 



— 



— 



NWbW 



WS1V 



— 



1.65 





2.3 



e 



5 



.762 



.752 



.738 



.744 



26.3 



34.8 



32.5 



29.88 



.125 



.169 



.168 



.146 



86 



84 



92 



87 



Calm 



Calm 



WbN 



0-99 0.450 





e 



fi 



.424 



.326 



.697 



.480 



35.9 



40.6 



33.8 



36.67 



.180 



.203 



.153 



.178 



86 



81 



78 



82 



S bE 



WbS 



NW 



9.80 0.015 



Inap. 



a, 



7 



.880 



.952 



.984 



.944 



27.4 



25.1 



20.0 



23.65 



.140 



.110 



.094 



.108 



93 



79 



84 



82 



N b W 



NbW 



Calm 



4.97 







a, 



8 



.938 



.817 



.744 



.827 



23.0 



33.0 



29.1 



28.53 



.109 



.131 



.141 



.128 



85 



70 



88 



81 



Calm 



SW 



SWbW 



3.94 







b 



9 



.737 



.650 



.664 



.685 



20.2 



39.5 



30.9 



29.82 



.095 



.190 



.130 



.135 



85 



79 



75 



78 



Calm 



SWbW 



Calm 



2.08 







n 



10 



.650 



.612 



.537 



.633 



25.5 



41.6 



32.3 



32.95 



.116 



183 



.144 



,149 



81 



70 



79 



79 



Calm 



SW 



Calm 



1.80 





... 



a, 



11 



.650 



.669 











27.1 



42.2 











,123 



IBS 











82 



57 



— 



— 



S W 



ssw 



— 



1.98 







af 



1?, 



.766 



.708 



.766 



.750 



34.8 



39.5 



37.2 



37.00 



.176 



.206 



.196 



.192 



88 



86 



89 



88 



NEbE 



Calm 



NbE 



1.88 







h 



13 



.862 



.864 



.877 



.868 



35.9 



39.1 



28.7 



34.03 



.169 



194 



.137 



.164 



81 



82 



8V 



83 



N E 



NNE 



Calm 



0,95 







b 



1-4 



.800 



.749 



.762 



.769 



32.3 



35.9 



34.5 



34.13 



.162 



.164 



.171 



.166 



89 



78 



86 



84 



Calm 



WbS 



Calm 



1.30 







<i 



15 



.721 



.669 



.614 



.667 



34.3 



35.3 



33.8 



34.38 



.170 



.170 



.166 



.170 



87 



83 



86 



86 



Calm 



WbN 



Calm 



1.42 



Inap. 



... 



n 



Ifi 



.533 



.454 



.384 



.434 



36.8 



38.3 



33.4 



36.13 



.200 



.198 



.174 



.192 



92 



86 



92 



90 



Calm 



WbS 



Calm 



0.72 



0.050 



0.3 



h 



17 



.300 



.137 



28.969 



.126 



33.2 



34.6 



21.9 



29.25 



.180 



.171 



.091 



.145 



95 



86 



75 



87 



Calm 



NEbN 



N 



11.01 





0.3 



n 



18 



.096 



.288 







__ 



15.8 



16.3 











.078 



065 











S3 



68 



— 



— 



NNW 



NN W 



— 



9.13 





0.1 





19 



.531 



.583 



29.701 



.617 



9.0 



15.4 



4.9 



9.73 



.064 



.069 



.045 



.060 



93 



75 



77 



83 



NE 



NbE 



NbE 



2.93 





0.3 



c 



?,o 



.777 



.838 



' .943 



.866 



10.8 



21.9 



19.0 



16.70 



.051 



.078 



.081 



.070 



67 



65 



76 



71 



NbE 



WbN 



WbS 



3.92 







d 



9,1 



.937 



.833 



.696 



.801 



19.4 



21.3 



24.1 



21 .72 



.087 



.090 



.115 



.099 



80 



76 



86 



81 



W 



Calm 



SWbS 



2,35 





0.4 



(i 



.).) 



.618 



,616 



.461 



.549 



28.7 



33.2 



33.2 



31.83 



.129 



.135 



.173 



.148 



80 



71 



92 



82 



w s w 



SWbW 



SSE 



2.64 



o.iio 



0.1 



n 



':: 



.083 



.154 



.508 



.265 



33.8 



27.1 



17.6 



25.20 



.180 



.104 



.080 



.114 



94 



69 



79 



79 



Wb S 



WbN 



NWbW 



13.32 





Inap. 



h 



9A 



.608 



.447 



.453 



.504 



17.2 



23.6 



14.2 



17.97 



,081 



.097 



.076 



.084 



81 



74 



86 



81 



W SIT 



w sw 



WbS 



8.&4 



... 





b 



95 



.501 



.474 











30.2 



32.5 











.150 



.141 











89 



77 



— 



— 



W 



w s w 



— 



6.82 





2.8 



a, 



?,fi 



28.973 



29.061 











29.8 



30.6 











.154 



.147 











94 



86 



— 



— 



SSE 



NNW 



— 



7.64 



... 



Inap, 



a, 



9,7 



29,520 



.506 



.485 



.503 



19.4 



22.3 



25.8 



22.22 



.092 



.106 



.118 



.100 



84 



86 



83 



80 



NbE 



N NE 



NE 



6.07 



... 



3.0 



d 



?,a 



.459 



.498 



.500 



.483 



14.4 



10.6 



7.1 



8.68 



.074 



.057 



.051 



056 



83 



77 



77 



80 



NE 



NEbN 



NNE 



8.99 





0.5 



b 



?,9 



.529 



.496 



.411 



.474 



-3.9 



7.1 



2.9 



2.43 



.024 



.044 



.048 



.036 



62 



66 



70 



61 



N 



NbW 



NWbN 



4.83 





2.3 



b 



30 



.293 



,084 



.100 



.159 



8.0 



18.0 



14.4 



13.47 



.053 



.088 



.078 



.074 



79 



85 



89 



85 



NE 



ENE 



NEbN 



8.43 



... 



6.5 



b 



31 



M 



.201 



.238 



.424 



.298 



5.7 

 28.71 



27.3 



16.5 



17.72 

 25.32 



.042 



.136 



.087 



.093 



70 

 84 



90 

 78 



90 



82 



84 

 ~8T 



NNE 



Calm 



W 



4.50 



4.3,2 

 4.98 



0.025 



3.4 





29.611 



29.580 



29.605 



29.5984 



28.94 



24.19 



0.120 



0.132 



0.118 



0.122 



3.84 



6.10 



22.3 



Sum of the Atmospheric Current, in miles, resolved into the four Cardinal 

 directions. 



North. West. South. East. 



1876.38. 1690.09. 460.62, 585,70. 



Mean direction of Wind NWbN. 

 Mean velocity of the Wind... 4.98 miles per hour. 

 Maximum velocity 25.0 miles per hour, from 9 to 10 p.m. 



on 17th. 



Most windy day 23rd; Mean velocity... 13.32 miles per hour. 



Least windy day 16th; Mean velocity... 0.72 ditto. 



Raining on 4 days. Raining 11.0 hours. 



Snowing on 13 days. Snowing 60.8 hours. 



Toronto Bay frozen over on the morning of the 19th. 



First Sleighing in Toronto on the 16th. 



Toronto Bay crossed on foot on the 21st, going and returning from 



Toronto to the Peninsula. 



Highest Barometer 29-984, at 10 p.m. on 7th 1 Monthly range : 



Lowest Barometer 28.952, at midnight, 17th/ 1.032 inches. 



Highest temperature.... 46.4, at p.m. on llth.1 Monthly range : 

 Lowest temperature ... — 8°.4. at a.m. on 29th £ 54°.8. 



Mean Maximum Thermometer 31.321,, , ., T4 14 



Mean Minimum Thermometer 17.18] ' ' ° ' 



Greatest daily range 24.9, from p.m. 27th to a.m. of 28th. 



Warmest day 12th. Mean temperature 37.00 V Difference 



Coldestday „„ 29th, Mean temperature ..,,., 2.43/ 34°,57. 



Aurora observed on 5 nights. Possible to see Aurora on 8 nights, 

 Impossible to see Aurora, 18 nights, 



Comparative Table for December. 





Temperature. 



Rain. 



Snow. 



ffind 

 Mean 

 Vel'y. 







Mean. 



Max. 



obs'vd. 



Min. 

 obs'vd. 



Range. 



D'S. 



Inch. 



D'ys 



Inch. 





1840 





 24.3 



0, 

 41.0 





 —4.4 





 45.4 



3 



0.000 



18 



-^ \. 







1841 



28.7 



45.5 



+2.4 



43.1 



/ 



6.600 



5 



*s 



Z O 





1842 



24.7 



40.3 



+3.8 



36.5 



3 



0.880 



17 



P3 



<A 





1843 



30.0 



41.1 



+2.7 



38.4 



6 



1.040 



8 



8.1 



0.53 



lb. 



1844 



28.2 



48.9 



—0.8 



49.7 



6 



imp. 



6 



4.2 



0.40 



lb. 



1845 



21.1 



37.6 



— 2.7 



40.3 



2 



0.000 



12 



4.7 



0.70 



lb. 



1846 



27,5 



49.2 



+3.7 



45.5 



5 



1,215 



9 



6.0 



0.57 



ft. 



1847 



30.1 



50.0 



+6.6 



43.4 



7 



1,185 



8 



6.8 



4.55 



Miles. 



1848 



29.1 



49.1 



+0.6 



48.5 



7 



2.750 



7 



16.5 



5.44 



Miles. 



1849 



26.5 



41.3 



—5.2 



46.5 



5 



0.840 



12 



9.6 



6.23 



Miles, 



1850 



21.7 



48.3 



—9.7 



58.0 



2 



0.190 



18 



29.5 



7.40 



Miles. 



1851 



21.5 



43.8 



—10.5 



54.3 



6 



1.075 



15 



10.7 



7.37 



Miles. 



1852 



31.9 



41.0 



+13.9 



27.1 



t 



3.995 



10 



20.1 



6.54 



Miles. 



1853 



25.3 



42.2 



—5.2 



47.4 



4 



0.625 



13 

 11.3 



22.3 



4.98 

 ~OJ55~ 



Miles, 

 ft. 



M'n. 



26.47 



44.24 



—0.34 



44.58 



5'0 



1.509 



12.59 



6.07 | Miles. 



