Monthly Meteorological Register, at tlie Provincial Ma^netical Observatory, Toronto, Canada West.— September, 1855, 



Latitude, 43 deg. 39.4 min. North. Longitude, 79 deg 21. min. West. Elevation above Lake Ontario, 10% feet. 





Barom. at temp, of 32 deg. 



Temp, of the Air. 



Mean 



Tension of Vap 



our. 



Humid'y of Air. 



■Wind. 





















Temp. 



+ or- 













Mean 



Meai 



Rain 











































in 









10 





6 



2 



10 





of the 



6 







10 





6 



2 



10 











Direct. 



Ver\ 



Inch. 



Ga.m. 



2 P.M. 



P.M. 



Mean. 



A.M. 



o 

 56-4 



P.M. 



P.M. 



m'n. 

 71-2 



Average 



A.M. 



0-410 



P.M. 



P.M. 



m'n 



A.M 



■92 



p. 31 



•61 



P.M 



•89 



m'x 



•76 



6a.m. 



2 P.M. 



10 p.m. 





1 1 -fif, 





a 



29-70'l 



29^567 



29-617 



29-629 



79-8 



72-8 



o 



+ 8^2 



D-60C 



0^692 



1 

 0-563 



Calm 



SEbS 



W Sfl' 



S 32 W 



0-425 



2 



•730 



■764 



— 



— 



61-7 



71-6 



— 



— 







■398 



-387 



„ 



— ] 



74 



51 



. 



— 



NWbW 



NW 



- N 



N18W 



10-.3f 



0-035 



3 



■77S 



■767 



■779 



•772 



57-2 



59^9 



51-9 



55-6 



— 6^8 



■40« 



■361 



■314 



■352 



88 



72 



82 



81 



EbN 



E 



N 



E41 N 



7-81 





4 



•823 



■882 



■924 



•875 



49-9 



63-2 



55-6 



•57-2 



— 4-9 



■285 



-415 



■324 



'336 



81 



74 



75 



73 



N 



EbS 



NNE 



,E 81 N 



7-5( 





5 



•969 



■939 



■939 



•944 



55-5 



68-8 



57-1 



61-2 



— 0^6 



■364 



•386 



■420 



•398 



85 



57 



92 



78 



NNE 



EbN 



NE 



:E27N 



7-04 





e 



•968 



■933 



■909 



'938 



56-2 



68-8 



57-8 



61-5 



+ 0^1 



■385 



•464 



■420 



•433 



87 



67 



90 



82 



NbE 



E 



NE 



E 25 N 



5-83 





7 



•937 



■843 



•779 



-843 



57^8 



72-5 



61-2 



64-0 



+ 2-8 



■420 



•539 



•495 



•487 



90 



70 



94 



84 



X N W 



SbE 



Calm. 



Isiw 



3^5!^ 





8 



•760 



■628 



•619 



•660 



63-0 



78-8 



70-0 



71-5 



+10-8 



■518 



-649 



■040 



•585 



92 



68 



91 



78 



WS W 



S S W 



S W !S32W 



6-3(, 



0-185 



9 



•673 



■656 



— 



— 



69-0 



80^5 



— 



— 







■514 



-340 







i 



74 



33 



— 



— 



NWbN 



NWbW 



Nb W .\29W 



10-77 





10 



•746 



■705 



•662 



•697 



60-0 



72-5 



60-4 



64-5 



+ 4-5 



■386 



•481 



■4G0 



•441 



76 



03 



89 



75 



N 



.SEbE 



XEbN E IS 



3-84 





11 



•673 



■592 



•564 



•607 



57-1 



78-0 



71-0 



70-2 



+10-6 



■420 



•084 



■638 



•589 



92 



73 



86 



81 



Calm. 



SSE 



SWbW S17 W 



6-15 





12 



•579 



■486 



•483 



•517 



70^4 



80-0 



70-7 



73-1 



+13-8 



■603 



•666 



■664 



•626 



84 



67 



91 



80 



SS W 



S S fl 



WbS|W24S 



12-54 



0-240 



13 



•699 



■781 



•857 



■785 



59-2 



65-0 



51-7 



58-9 



+ 0-1 



■460 



•224 



■282 



•311 



93 



30 



74 



65 



N 



N b ^v 



Nb WiN6W 



n-48 





14 



•870 



•776 



•710 



•777 



50-5 



61-2 



51-5 



54^7 



— 3-7 



•282 



•333 



■290 



•301 



79 



63 



78 



72 



NEbN 



EbN 



N b E ' E 34 N 



8-79 





15 



•726 



•636 



■578 



•640 



48-5 



66-5 



55^3 



58^0 



+ 0-1 



■258 



•428 



•417 



•391 



1 1 



67 



97 



82 



N 



ESE 



NbEiE 15 S 



4-56 





16 



•575 



■550 



— 



— 



56^7 



74-1 













■423 



•537 



— 



— 



94 



66 







— 



WbS 



Sb AV 



NbW l\V36S 



6-53 





17 



•663 



■527 



■427 



•527 



59^2 



70-6 



68^2 



66-3 



+ 9-3 



■483 



•586 



-635 



•570 



98 



81 



95 



91 



Nb W 



ESE 



S S Wji S 8 E 



4-93 



2 -.5.35 



18 



•367 



■662 



■806 



•632 



65-7 



50-1 



45^9 



.53^3 



— 3-3 



■554 



•301 



•202 



•329 



90 



85 



66 



/ 1 



N 



NNE 



NE 



N25E 



9-65 



0-275 



19 



•998 



30-006 



30-003 



.30-016 



39^5 



49-5 



42-4 



44^1 



—12^0 



•160 



•219 



■218 



•206; 



67 



63 



81 



72 



N E 



SbE 



NbE 



E 27 N 



5^76 





20 



•979 



29-892 



29-814 



29-883 



47^2 



55-5 



48-8 



■50-8 



— 4^8 



■212 



•254 



■291 



•250! 



66 



60 



85 



69 



ESE 



EbN 



NbE 



E16N 



7-51 





21 



•739 



•606 



■601 



•643 



49-8 



56-2 



56-0 



54-8 



— 0-3 



•320 



•412 



■420 



•391j 



91 



93 



96 



93 



NbE 



ENE 



NE 



N 27 E 



2-5? 



0-01 n 



22 



•701 



■766 



•851 



■779 



56-0 



58-3 



53^0 



-55-5 



+ 0-9 



•420 



■279 



■323 



•336 



96 



58 



82 



79 



N N W 



NWbN 



N b WlN14W 



8-69 





23 



•924 



•919 



— 



— 



50-6 



61-4 















■291 



■359 



— 



— 



81 



67 



— 



— 



N 



SEbE 



E SE:E21 S 



7-54 





24 



•873 



•793 



•773 



■805 



58^2 



67-7 



61^4 



62-1 



+ 8-4 



•401 



■46e 



■493 



•457 



84 



71 



92 



84 



SbE 



SE 



N E ' E 41 S 



5-57 



0-.550 



25 



•725 



•596 



■439 



■570 



62^1 



69-3 



62-6 



65-2 



+12-0 



•504 



■622 



■506 



•5461 



98 



90 



91 



90 



SSE 



SE 



E Is 34 E 



5-29 



0^895 



26 



•310 



•247 



•414 



■326 



65-0 



72-7 



54-6 



640 



+11-3 



•566 



•351 



■374 



-428, 



95 



45 



90 



76 



S 



WbN 



W b S W6 S 



12^10 



0^005 



27 



•537 



■660 



•770 



■666 



50-2 



51^5 



42-7 



47^5 



— 4-7 



•283 



■216 



■214 



■223 



79 



58 



80 



69 



w 



.NWbW 



N'WbW W37N 



I2^47 





28 



■864 



-844 



•824 



■838 



36-1 



55-3 



46-7 



46^9 



— 4-9 



•191 



•284 



■2/8 



■254! 



90 



60 



88 



80 



MWbN 



Sb E 



EbN E 12 S 



4^99 





29 



■782 



■688 



•525 



■656 



44-5 



59-0 



58-9 



■55 ■O 



+ 3^7 



■264 



•345 



■405 



■352 



91 



71 



83 



82 



NEbiN 



EbN 



S SEljESS 



7^'23 



0-385 



80 



•379 

 29^75I 



•468 



29-707 



— 



59-9 



63-0 



57-1 



59^5 





■4.52 

 0-382 



•484 

 0^423 



0^417 



— 



89 

 •86 



87 

 •67 



^6 



T^ 



SEbE 



XWbN 

 10^43 



NbW 



W12N 

 N20E 



9-42 

 7-61 



©■045 



M 



29^713 



29-721 



55-0 



65-2 



+ 2-0 



0-406 



5-54 



6-09 



5^585 



Highest Barometer 30^092, at 8 a.m. on 19th "l Monthly range : 



Lowest Barometer. 29^247, at 2 p.m. on 26th J 0-845 inches. 



Highest registered temperature 82°-6, at p.m., on 1st I Monthly range : 

 Lowest registered temperature 33°-0, at a.m. on 28th / 49°'6. 



Mean Maximum Thermometer 68°^441^ Mean daily range : 



Mean Minimum Thermometer 49°^94 j 18.51. 



Greatest daily range 28°-8, from p.m. of 26th to a.m. of 27th. 



Least daily range 11°^6, from p.m. of 20th, to a.m. of 21st. 



Warmest day 12th. Mean temperature 73°-05"| Difference, 



Coldest d.ay 19th. Mean temperature 44°-12 / 28°-93. 



Greatest intensity of Solar Radiation, 90'^-4 on p.m. of 11th I Range, 

 Lowest point of Terrestrial Radiation, 27'' -5 on a.m. of 28th j 68°-9. 

 Aurora observed on 2 nights: viz. on 10th and 27th. 

 Possible to see Aui'ora on 20 nights. Impossible on 11) nights. 

 Raining on 12 d.\ys. Raining 430 hours: depth, 5-o85 inches. 

 Mean of Cloudiness, 0-45. 



Thunder storms occurred on tbe 1st, 9th, 17th, and 25th. 

 Sheet lightning observed on the 8th and 11th. 



The 17tli was tbe most rainy day recorded at the Observatory since 

 the 20th November, 1851. 



Complete .Saturation occurred at midnight of 21st. 



28th, 6 a.m., Ilo.ar Frost first observed tliis Season. 



29th, Halo round the Moon at midnight, diameter 45°. 



Most windy hour, 1 p.m. ; Mean velocity, 10-55 miles per hour. 

 Least windy hour, 9 p.m. ; Mean velocity, 5-37 " " 



Mean diurnal variation, 5^18 miles. 



The Mean Temperature of September, 1855, has been l°-4 -warmer 

 than the average of the last 16 years; the depth of Rain which fell 

 during the month was 1-127 inches on the surface greater than the 

 mean monthly quantity ; and the mean velocity of tbe wind recorded 

 has also been greater than the average of the last 8 years by 2,47 miles 

 per hour. 



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

 directions. 

 North. West. South. East. 



2269-85 1415-13 1395-95 1739-76 



Moan direction of Wind, N 20° E. Mean velocity 7-01 miles per hour. 

 Maximum velocity, 30-6 miles per hour, from 10 to 11 a.m. on 27th. 

 Most windy day, the 12th; mean velocity, 12-54 miles per hour. 

 Least windy day, the 21st; mean velocity, 2-52 " " 





Comparative Table for September. 









■reuipei-iiture. 



Kaiii. 1 Mind. 







Dif. 

 Mean.: from 



jAv'ge 



Max. 

 obs'vd 



Min. 



obs'vd 



Range 



D's. 



Inch. 



M'n Direc. 



Mean 

 Volocit)- 

 in .Miles. 





1840 



540 —4-1 



70-2 



29-4 



40-8 



4 



b380 ... 







1841 



61-3 +3-2 



79-9 



37-5 



42-4 



9 



3-340 ... 



0-26 



lbs. 



1842 



55-7 —2-4 



83^5 



28^3 



55-2 



12 



6-1 go: ... 



0-45 



lbs. 



1843 



59-1 +1-0 



87^8 



33-1 



54-7 



10 



9-760 



0-57 



lbs 



1844 



58-6 +0-5 



8b5 



29^6 



51^9 



4 



impt. 



... 



0-2G 



lbs. 



1845 



56-0—2-1 



78-8 



35-3 



43^5 



16 



G-245 





0-34 



lbs. 



1846 



63-6 +5-5 



84^0 



39-0 



45-0 



11 



4^595 





0-33 



lbs. 



1847 



55-6;— 2-5 



74-8 



38-1 



36-7 



15 



6-6G5 



• •• 



0-33 



lbs. 



1848 



54-2—3-9 



80^9 



29^5 



51^4 



11 



3115 



W 19 N 



5-81 



Miles. 



1849 



58-2 +0^1 



80-6 



33-5 



47-1 



9 



P480 



W 15 N 



4-23 



Miles, 



18.50 



56-5'— 1^6 



76^0 



31-7 



443 



11 



1^735 



W 24 S 



4-78 



Miles. 



1851 



GO-0+1-9 



8G^3 



33-4 



52-9 



9 



2^665 



N 14 E 



5-45 



Miles. 



1852 



57.5'— O^C 



81^8 



36^1 



45-7 



10 



3-630 



W 17 N 



4-60 



Milo.'i. 



18.53 



58-8,+0-7 



85-4 



36^1 



49^3 



12 



5-140 



N 5 E 



4-30 



Miles. 



1854 



61^0!+2^9 



93^1 



36-3 



66^8 



14 



5-375 



N 18 W 



4-31 



Miles. 



1855 



69-5 +1-4 



81 ^7 



3G-1 



456 



12 



5-585 



N20E 



7-Cl 



Miles. 





0-3G 

 5-14 



lbs. 



M'n. 



58^10l 



81-04 



33-94 



47-70 



IOC 



4-458 





MilcB. 



