1854.] 



SCIENTIFIC INTELLIGENCE. 



Monthly Meteorological Register) at tlie Provincial Maguetical Obser-vatory, Toiouto, Canada "VVcst.— Jnlyj 1834a 



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





Barom. at temp, of 32 deg. 



Temp, of the Air. 



Mean 



Tension of Yapour. 



Humidity of Air. 



Wind. 

















Temp. 



+ or — 

























































Rain 









10 





6 



2 



10 





of the 



6 



2 



10 





6 



2 



10 











-Mean 



in 



P 



6 A.M. 



2 P.3I. 



P.M. 



Mean. 



A.M. 

 o 



63-4 



P.M. 



P.M. 



m'n. 



Average 



A.M. 



P.M. 



P.M. 



0.363 



m'n 



A.M. 



-72 



P.M. 



-51 



P.M. 



■73 



m'k. 

 ■64 



6 A.M. 



2 p.m. 



10 P.M. 



Vel'j 



Inch. 



1 



29-773 



29^800 



29.776 



29-782 



o 



79-7 



o 



59.9 



o 



69..50 



o 



+ 4.73 



0^412 



0-490 



0^440 



N 



SSE 



Calm 



2^9] 





'-> 



•810 



■717 







. 



65^5 



81-1 



— 











•446 



•821 











73 



79 



— 



X 



NE 



EbS 



— 



•2^6!^ 



... 



3 



•648 



■569 



■ ^491 



-555 



71^5 



93-0 



78.1 



81.32 



+16.17 



■525 



■767 



■543 



■650 



71 



51 



58 



63' 



Calm 



S 



SW 



2-50 





4 



•477 



■341 



■466 



-424 



74^3 



93^6 



69.6 



78.60 



+13.30 



■575 



■759 



■616 



■635 



69 



50 



88 



68 



Cahn 



SSW 



Calm 



4-27 



0-895 



5 



•5.54 



■575 



■608 



■583 



62^8 



79^3 



65.8 



69.55 



+ 4.17 



•430 



■633 



■498 



■509 



77 



65 



80 



72 



NbW 



SbW 



NbE 



3 -go 





6 



•694 



•696 



■697 



■699 



64^4 



82-2 



65.3 



71.83 



+ 6.23 



■459 



■710 



•495 



■554 



78 



66 



82 



73 



Calm 



SbE 



Calm 



1-85 





7 



•713 



•655 



■610 



■657 



66^1 



81 ■! 



70.6 



73.00 



+ 7.30 



■544 



■509 



•553 



■531 



87 



49 



76 



69 



NbE 



EbX 



Calm 



3^42 





8 



•593 



•467 



■525 



■522 



69^8 



91-0 



74.3 



79.23 



+13.45 



•519 



■867 



■751 



•738 



73 



61 



92 



76 



Calm 



SbW 



W 



0^03 



0-300 



9 



•616 



■6.58 







— 



64^2 



70-0 



— 









•518 



■396 











88 



55 



— 



— 



.\ N W 



NWbN 



— 



7^28 





10 



■744 



■715 



■675 



■709 



58^5 



76-8 



63.2 



67.28 



+ 1.20 



•370 



■389 



■464 



■420 



77 



43 



82 



66 



NbW 



SbW 



SW 



3 ■68 





11 



•674 



■607 



■659 



■653 



67^1 



73-3 



62.5 



67.87 



+ 1.68 



■474 



■531 



■480 



■478 



73 



66 



87 



72 



Calm 



S 



N N W 



413 



0-075 



12 



•749 



•792 



■838 



■803 



58^2 



71-6 



58.1 



62.40 



— 3.90 



■336 



■327 



■299 



■31S 



71 



43 



64 



59 



WNW 



NWbN 



N N W 



8-OS 





13 



•881 



•836 



■763 



■818 



56^3 



73-1 



54.2 



61.98 



— 4.40 



■324 



■457 



■329 



■386 



74 



55 



80 



71 



NE 



E 



Calm 



4-84 





14 



•727 



■671 



■675 



■690 



65^8 



83-3 



67.6 



72.15 



+ 5.73 



■490 



•526 



■433 



■504 



79 



48 



67 



67 



N 



SE 



N 



2-98 



... 



15 



•753 



■735 



■698 



■726 



65 ■S 



82 9 



66.8 



72.13 



+ 5.65 



■476 



■557 



■464 



■498 



78 



50 



72 



66 



NbW 



SbE 



Calm 



2-67 





16 



•714 



•683 



— 



— 



71 ■I 



77-0 















■530 



■523 



— 



— 



72 



58 



— 



— 



NNE 



E 



— 



3-73 



Inap. 



17 



•757 



■737 



•740 



■744 



72^9 



89-1 



74.7 



79.42 



+12.75 



■571 



■472 



■488 



■515 



73 



36 



58 



54 



N 



S 



N N W 



5-01 





18 



•785 



■690 



■591 



•683 



74-0 



83-3 



69.3 



74.93 



+ 8.25 



■603 



■626 



■576 



■581 



74 



56 



83 



70 



Calm 



ESE 



Calm 



2-59 





19 



•576 



■558 



■511 



•547 



70^9 



73-6 



68.2 



72.83 



+ 6.05 



•598 



•715 



■614 



■671 



82 



89 



92 



86 



Calm 



EbN 



W N W 



3-09 



1-135 



20 



■542 



■455 



■550 



•521 



72^6 



92^1 



74.3 



79.95 



+13.18 



•731 



•796 



•756 



■738 



95 



54 



93 



78 



Calm 



S 



Calm 



3-20 



0-640 



21 



•630 



■635 



■626 



■626 



71-8 



81^7 



71.2 



75.23 



+ 8.47 



•655 



•716 



■590 



■666 



86 



68 



80 



78 



N b AV 



EbS 



XEbN 



5-05 



... 



22 



•596 



■571 



■615 



.588 



69^6 



84^1 



69.3 



75.22 



+ 8.35 



•559 



•787 



■630 



■666 



80 



69 



90 



79 



NNE 



EbS 



N N W 



3-19 



0-565 



23 



•681 



■658 







— 



67-5 



8b7 













•517 



■639 











79 



60 



— 



— 



X N W 



SbE 



— 



2-34 



Inap. 



24 



•675 



■633 



.579 



■628 



71-1 



84^0 



68.4 



75.45 



+ 8.58 



•594 



■61 S 



■548 



■606 



80 



54 



81 



72 



Calm 



E 



Calm 



3-02 





25 



•484 



,■351 



•339 



■387 



68-4 



88-8 



75.4 



78^98 



+12.02 



■600 



■738 



■655 



■676 



89 



56 



77 



71 



NE 



SbE 



SSW 



7-44 





26 



•438 



■533 



•682 



■563 



73-6 



78^1 



57.4 



69.72 



+ 2.75 



■620 



■413 



■303 



■451 



77 



44 



66 



63 



.SWbW 



W 



W N W 



12-84 





27 



.853 



■823 



•799 



■813 



61-9 



74^2 



56.5 



64.52 



— 2.47 



■395 



■404 



•312 



■397 



74 



49 



70 



68 



XWbAV 



s 



Calm 



4-31 





28 



.822 



■725 



•686 



■741 



65-0 



8V7 



68.6 



71.70 



+ 4.73 



•509 



■500 



•599 



■543 



85 



48 



88 



74 



Calm 



SE 



W S W 



2^8S 



0-395 



29 



■451 



■443 



•513 



■469 



65.7 



84.0 



71.4 



73.32 



+ 6.37 



•567 



■772 



•552 



■614 



92 



68 



74 



77 



SbW 



S 



SWbW 



8^39 





30 



•713 



■747 



— 



— 



66-1 



76^9 















•497 



•601 











79 



68 



— 



— 



W 



S 



— 



2-75 



0^6,5 



31 



.807 



■712 

 29^628 



■651 

 29-629 



■715 



63-5 

 67.09 



72^7 



63.8 



65.98 



— 0.97 



•522 

 0.518 



■611 

 0.603 



•466 



■518 



91 



79 



79 

 56 



81 

 78 



83 

 71 



Calm 



EbS 



Calm 



l^OO 

 4.26 



0^0 5 



M 



29 ■669 



29^6403 



81.86 



67.10 



72.47 



+ 6.22 



0^515 



0-550 



3-21 



7^19 



2-83 



4 ■805 



Highest Barometer 29^885, at 8 a.m. on 13th "(Monthly range: 



Lowest Barometer 29^308, at 4 p.m. on 4th/ 0^577 inches. 



Highest registered temperature 98°-0, at p.m. on 19th "I Monthly range : 

 Lowest registered temperatm-e 42°-5, at a.m. on 12th J 5.5°-5. 



Mean Maximum Thermometer 84°-79 I Mean daily range: 



Mean Minimum Thermometer 58°-46 / 26°"-33. 



Greatest daily range 44°-5, from p.m. of 4th to a.m. of 5th. 



AVarmest day 3rd. Mean temperature 81°-32 "( Difference, 



Coldest day 13th. Mean temperature 61°-98 / 19°-34. 



Greatest intensity of Solar Radiation, 106°-4 on 3rd, p.m. I Range, 

 Lowest point of Terrestrial Radiation, 38°-2 on 12th, a. m. / 68°-2. 



Aurora observed on 4 nights: viz. on 3rd, 10th, 22nd, and 24th. 



Possible to see Aurora on 26 nights. 



Impossible to see Aurora 5 nights. 



Raining on 9 days. Raining 28-7 hours: depth, 4-805 inches. 



Thunder Storms occui-red on the 4th, 8th, 11th, 19th, 20th, 22nd, 29th, 



and 31st. 

 Sheet Lightning, not accompanied by thunder or rain, observed on the 



14th, 15th, ieth, 18th, 21st and 25th. 

 Hailstones and irregular pieces of ice fell during the thunderstorm on 



the 4th, at 4.30 p.m. 



n. M. 

 /'on the 4lh, in 2. 30 there fell 0.895 inches on the surface. 

 TT T, - ) " 19th, " 8..30 " 1.135 '' 

 Heavy Rain ^ " 20th; " 0.20 " 0.640 " 

 ( •' 22nd, " 0.22 " 0.565 



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

 directions. 



North. AVest. South. East. 



976^23 1040-80 1110-08 823-43 



Mean direction of the Wind, AV 32° S. 

 Mean velocity of the AViud, 4-20 miles per hour. 

 Maximum velocity, 26.4 miles per hour, from 10 to 11 a. m. on 26th. 



Most windy day, the 26th; mean velocitj', 12-84 miles jier houi-. 



Least windy day, the 31st; mean velocity, 1-06 " " 



The velocity of the wind from 4h. 35m. to 4h 41 p. ni., during the 

 thunder storm on the 4th, equalled 6.8 miles, being at the rate of 

 68.0 miles per hour, and on the 8th from 5h. 26m. to 5h. 43m. p. m. 

 it attained the rate of 33.9 miles per hour. 



10th. Beautiful band of Auroral light from 9.20 to 10.50 p. m., rising 

 from AV horizon, passing through fi Lconis in the AA'est, a Coronaj 

 Borealis in zenith, and bounded on its northern edge towards the cast 

 by a Hercules. This band was very remarkable from its fixity of 

 position. 







Comparative Table for JiUj- 



.* 











Temperature. 



Kain. 



Wind. 

 Mean 

 A'eVy. 







.Alean. 



Dif. f 'm 

 Avrge. 



Max. Min. 

 obs'vd. obs'vd. 



Range. 



D's. 



Inch. 





1840... 



o 

 66-0 



o 



—0-2 







79^4 



O 



48^2 



o 



31^2 



6 



5^270 







1841... 



65-0 



—1-2 



80^3 



43^2 



43^1 



10 



8^150 



0-27 



lb. 



1842... 



04-7 



—1^5 



90^5 



420 



48^5 



4 



3^050 



0-38 



lb. 



1843... 



64-5 



—1^7 



86^1 



40-2 



45^9 



8 



4 605 



0-44 



lb. 



1844... 



660 



-0-2 



86^1 



40^5 



456 



12 



2^815 



0-19 



lb. 



1845... 



66-2 



0^0 



94^6 



45 ■& 



490 



7 



2195 



0-30 



tb. 



1846... 



68-0 



+V8 



94^0 



44^9 



49^1 



9 



2-895 



0-29 



lb. 



1847... 



68-0 



+1-8 



87^5 



43^8 



43^7 



8 



3-355 



0-19 



lb. 



1848... 



65-5 



—0-7 



82^7 



46^7 



36^0 



10 



1-890 



4-94 



Miles. 



1849... 



08-4 



r 2-2 



89^1 



51^0 



38^1 



4 



3-415 



3-52 



Miles. 



1850... 



68-9 



+2^7 



84^9 



.52 ■S 



32^1 



12 



5-270 



4-56 



Miles. 



1851... 



65^0 



lv2 



82^7 



o2^1 



30^G 



12 



3-625 



4-13 



Miles. 



1852... 



66-8 



+0-0 



90-1 



49-5 



40^0 



8 



4-025 



3-83 



Miles. 



1853... 



65^6 



—00 



85-4 



49^4 



36 ■O 



10 



0-915 



8-70 



Miles. 



18-54... 



72-5 



+6-3 



93 -G 



63 ■O 



40^0 



9 



4-805 



4-20 



Miles. 





0^29 



lb. 



M'n. 



66^74 





87-53 



46 ■SO 



40^67 



8.6 



3-752 



4-06 



Miles. 



