Dlontllly Bletoorologleal Register, at tlie ProvUlclal JHagnetical Observatory, Toronto, Canada West.— October, 1854a 



Latitude, 4iZdeg. Z'i.imin. North. Longitude, 1^ deg. 2\. min. West. Elevation above Lake Ontario, 108 /ee?. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



2 



28 



29 



30 



31 



Barom. at temp, of 32 deg. 



A.M. 



29-523 



■535 



•119 



28-949 



29818 



-886 



•841 



-835 



•633 



-781 



■626 



■447 



■740 



■387 



•519 



-277 



■561 



■596 



30-012 



30-023 



30-010 



29-943 



899 



941 



30-102 



30-097 



29-983 



-873 



-729 



•655 



•374 



29.285 



466 



28-756 



29-288 



-886 



•813 



-818 



'722 



•56' 



•775 



•548 



■435 



■740 



■295 



•461 



•259 



•597 



•731 



30-042 



30-017 



29-993 



•924 



-86 



-953 



30-085 



30-037 



29-944 



830 



645 



592 



278 



10 



P.M. 



29-894 



28-795 



29-599 



•841 



•816 



■863 



•669 

 •702 

 .493 

 ■627 

 ■670 

 •465 



•415 



•602 



•873 



30 017 



30-006 



29-972 



890 



30-016 



30-072 



29-988 



-906 



-809 



•498 



•278 



lU 29^699 29.677 29-703 29-6955 



Mean. 



29-453 



28-885 



29-313 



•856 



-837 



•840 



•629 

 •748 

 ■549 

 •524 

 •715 

 •385 



•324 



•580 



-743 



30-034 



30-019 



29-995 



890 



975 



30-087 



30-036 



29-942 



-839 



•574 

 -311 



Temp, of the Air. 



6 



A.M. 



•53-2 



39.5 



49-2 



46-0 



31-6 



41-7 



50-3 



57-2 



50-4 



50-6 



47-6 



•55-6 



43 1 



48-8 



36-6 



36-6 



35-9 



34-1 



29-8 



36-8 



37-0 



46-3 



49-2 



48-8 



50-5 



41-3 



44-3 



42-4 



56-0 



53-8 



57-8 



61-4 

 63-5 

 63-5 

 56-3 

 56-4 

 63-7 

 4-2 

 8-4 

 70-7 

 47-0 

 68-2 

 64-0 

 49-2 

 53-8 

 45-7 

 50-6 

 49-2 

 41-6 

 45-2 

 49-9 

 53-6 

 51-5 

 53-6 

 60-8 

 59-7 

 61-1 

 55-3 

 59-8 

 57-4 

 62-5 

 58-5 



10 



P.M. 



49-5 

 52-8 

 40-9 

 45-2 

 51-7 

 60-1 



54-9 

 51-3 

 53-0 

 50-8 

 44-9 

 37-7 



42-8 

 39-0 

 33-0 

 33-4 

 44-9 

 42-0 



52-2 

 48-8 

 49-2 

 43-7 

 41-5 

 50-3 



59-1 

 46-4 



Mean 

 Temp. 



-(-or — 



of the 



Average 



44-33 .57-38 46-89 



51-55 

 55^77 

 47^35 

 45-33 

 ■54-05 

 61.48 



57-18 

 50-05 

 ■56-82 

 56-10 

 46'07 

 45-97 



43-05 



40-75 

 36-60 

 35-78 

 43-85 



44-50 



51-40 

 -77 

 53-32 

 48-72 

 46-22 

 50-90 



58-62 

 53-42 



-f- 1-62 

 + 6-23 



— 1^68 



— 3^28 

 -f- 5^83 

 -1-13-63 



-1-10-12 

 3-38 

 -t-10-57 

 -f-10-13 

 -I- 0-50 

 4- 0-70 



1-48 

 3-48 

 7-43 

 8-00 

 0-28 

 1-25 



Tension of Vapour. 



6 



A.M. 



+ 



49-52 



-\- 8-65 

 -1-10-27 

 -fll-03 

 + 6-73 

 -I- 4-43 

 4- 9-42 



-(-17-67 

 -(-12-67 



+ 4-48 



0-365 

 •208 

 -270 

 •256 

 •168 

 •166 

 •305 

 •39 

 •303 

 •330 

 .306 

 •403 

 •232 

 •330 

 •155 

 •192 

 •180 

 .162 

 •136 

 •173 

 -182 

 •249 

 •260 

 •292 

 -281 

 -211 

 •262 

 •252 

 -379 

 ■363 

 ■442 



0-486 

 -241 

 -424 

 •231 

 •233 

 •318 

 •470 

 •462 

 •458 

 •286 

 •486 

 •496 

 •274 

 •235 

 •130 

 ■261 

 ■225 

 ■116 

 -17 

 -237 

 •194 

 ■290 

 ■322 

 •376 

 ■398 

 ■388 

 ■375 

 ■383 

 415 

 ■388 

 ■398 



10 



P.M. 



0^251 

 -344 

 •192 

 •252 

 •316 

 -450 



-364 

 -340 

 -36 



•29; 



•252 

 •179 



•238 



•20 



•155 



-166 



-226 



•204 



•294 

 •283 

 ■269 

 -262 

 •240 

 •341 



•426 

 ■58-7 



0^256 0-323 0-277 0-287 



0-251 

 -365' 

 -224 

 -229 

 ■285' 

 ■404' 



■370 

 -309 

 ■387 

 ■387| 

 ■250, 

 ■239 



•23o' 

 ■212, 

 ■149: 

 ■158, 

 ■211| 

 ■202' 



■292 

 ■314 

 -328 

 •287 

 ■289' 

 •327 



■401 

 ■371 



Humidity of Air. 



6 



A.M 







•91 



87 



78 



83 



95 



63 



85 



87 



84 



91 



94 



93 



84 



97 



72 



89 



86 



82 



82 



79 



83 



80 



76 



86 



78 



82 



91 



94 



86 



89 



95 



w 



2 



P.M. 



10 



P.M. 



68 







63 



86 



90 



91 



72 



93 



86 



81 



79 



85 



58 



80 



43 



— 



72 



88 



65 



88 



44 



82 



60 



87 



67 



76 



48 



77 



78 



— 



80 



77 



72 



83 



80 



78 



74 



93 



88 



93 



76 



95 



90 



— 



70 



87 



83 



90 



68 



85 



•69 

 83 

 70 

 78 

 69 

 77 



80 

 87 

 85 

 86 

 81 

 77 



84 

 84 

 70 

 76 

 74 

 71 



78 

 80 

 81 

 84 

 92 



Wind. 



6 a.m. 



80 



Calm 

 Calm 



E NE 



SWbW 

 Calm 

 Calm 



SWbW 

 Calm 

 Calm 



E NE 



Calm 



Calm 



N 



NWb N 



VV N W 



NWbN 



WbN 



Calm 



Calm 



NbE 



N NE 



E bN 



E b N 



NbW 



Calm 



Calm 



Calm 



NEbE 



Calm 



Calm 



SWbS 

 SSW 

 E SE 



NWbW 

 W 



SW bS 



s w 



EbS 

 WS W 

 ENE 



SSW 



s w 



E 



N W 



NWbN 



W N W 



SSW 



NWbN 



SbW 



S SE 



SbE 



ENE 



E 



S 



S 

 S SE 

 Calm 

 ESE 

 NEbE 

 EbS 

 SSW 



10 p.m. 



3-13 



•14 



Calm 

 SWbW 

 NWbW 



Calm 

 SW bW 



N W 



NbE 

 E bN 

 Calm 

 N N W 

 Calm 

 NN W 



NbW 



NWbW 



NWbN 



Calm 



Calm 



NbE 



EbN 

 Calm 

 Calm 

 Calm 

 Calm 

 NEbN 



EbN 

 W 



.Mear 

 Vel'3 



3^76 



5^74 

 Z-Wi 

 8^01 

 IMi 

 2 96 

 4.44 



2^00 

 2-02 

 3^27 

 5^7S 

 2^35 

 4^82 

 3^50 

 13^4] 

 10-7 

 7^47 

 3^52 

 9-43 

 2-32 

 1-85 

 2^40 

 6-64 

 4^12 

 0^81 

 0^77 

 1^74 

 0^43 

 2^17 

 2^39 

 3-58 

 9^86 



Rain 



in 

 Inch. 



0^145 



0^465 



0^005 



0^035 

 0^275 

 0^110 

 0-015 

 0-205 



0-010 



0-055 



0-040 

 0-015 

 0-050 

 0-035 

 0-035 



4-60 1-495 



22°-4onl9th,a.m. / 62°-2. 

 12th, 17th, 18th and 23rd. 



Highest Barometer 30-121, at 8 a.m. on 26th I Monthly range : 



Lowest Barometer 28-731, at 3 p.m. on 3rd J 1-390 inches. 



Highest registered temperature 75°-4, at p.m. on 7th "1 Monthly range : 

 Lo-west registered temperature 26° -4, at a.m. on 19th / 49°-0. 



Mean Maximum Thermometer 58°-97 1 Mean daily range: 



Mean Minimum Thermometer 41°-32 J 17°-65. 



Greatest daily range 27°-4, from p.m. of 4th to a.m. of 5th. 



Warmest day 7th. Mean temperature 61°-48 I Diiference, 



Coldest d.ay 19th. Mean temperature 35°-78 / 25°-70. 



Greatest intensity of Solar Radiation, 84°-6 on 9th, p.m. I Range, 



Lowest point of Terrestrial Radiation, 



Aurora observed on 5 nights: viz. 2nd, 



Possible to see Aurora on 20 nights. 



Impossible to see Aurora on 11 nights. 



Raining on 15 days. Pvaining 45-3 hours: depth, 1-495 inches. 



Particles of Snow fell on 16th, 17th and 18th — quantity inappreciable. 



First Snow of the Season observed on the 16th. 



No Thunder Storms recorded this month. 



Sheet Lightning occurred on the 10th, 17th and 24th. 



The weather during the week ending 2Sth was mild and pleasant, and 



partook iu some measure of the character of Indian Summer. 

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

 directions. 

 North. West. South. East. 



1446^18 1409-73 636-20 1781-99 



Mean direction of the Wind, N 25° E. 

 Mean velocity of the Wind, 4-60 miles per hour. 

 Maximum velocity, 26-1 miles per hour, from 9 to 10 a. m. on 4th. 

 Most windy day, the 14th; mean velocity, 13-41 miles per hour. 

 Least windy day, the 27th; mean velocity, 0-43 " " 



During the gale on Saturday the 14th, the velocity of the wind fi'om 3 



to 4 p.m. was 25-5 miles, and the mean velocity from noon to 6 p.m. 



squalled 22-17 miles per hour. 



2nd, 10-17 p.m. A large Meteor appeared about 25° S. of zenith, .and 

 passing due W. burst in its flight, throwing out a great number of 

 sparks, and left a train of light behind it. 



24th, 8-26 p.m. Very large mass of nebulous light (undefined meteor,) 

 appeared near y Draconis, and, passing between 7 & /3 Urs. Maj., 

 emitted a very strong light and disappeared behind a mass of clouds 

 on N. horizon. 



October, 1854, was the warmest on the records of the Observatory; and 

 has 6een remarkable for sudden changes of temperature ; the mean 

 temperature of the 19th was 8° colder than the mean normal tem- 

 perature of that day, and that of the 30th was 17° 7 warmer than 

 its mean normal temperature. The amount of Rain was small, being 

 the least but two (October, 1841, and 1853) on the list for the last 

 15 years ; it was, in short, a warm, dry month. 









Coinparat 



ive Table for October. 









Temperature. Kaiti. 



Snow. 



Wind. 





K 







1 











>^ 



Mean. 



from 

 Av'ge. 



Max. 

 obs'vd 



i«°. Range B-s. 



Inch. 



D's. 



Inch. 



Mean 

 Velocity 





































1840 



44.4 



—0-8 



68^5 



23-9 



44-6 13 



1^860 



3 









1841 



41-6 



—3-6 



58-3 



20-3 



38-0 



6 



1-360 









0-41 



lb. 



1842 



45-1 



-0-1 



68-5 



30-0 



38-5 



8 



5-175 









0-35 



ft. 



1843 



41-8 



—3-4 



65-7 



24-5 



41^2 



12 



3^790 



4 



2-5 



0^54 



ft. 



1844 



43-3 



— 1 9 



69-6 



17-8 



51^8 



7 



Impf 



4 



12-0 



0-43 



ft. 



1845 



46-4 



-(-1-2 



62-7 



20-0 



42-7 



11 



1^760 



1 



[nap. 



0-26 



ft. 



1846 



44-6 



—0-6 



69-7 



20-7 



49^0 



14 



4^180 



Q 



[nap. 



0-44 



ft. 



1847 



44-0 



—1-2 



65-0 



20-3 



44^7 



13 



4390 



2 



[nap. 



0-19 



ft. 



1848 



46-3 



H-l-l 



62-2 



26-4 



35-8 



11 



1^550 







None 



4-00 



Miles. 



1849 



45-3 



+0-1 



59-2 



25-5 



33-7 



13 



5-965 



1 



[nap. 



4-76 



Miles. 



1850 



45-4 



-fO-2 



66-6 



24^8 41-8 10 



2-085 







None 



5^30 



Miles. 



18.51 



47-4 



+2-2 



66-1 



25-0 



41-1 10 



1-680 



2 



0-3 



4-39 



Miles. 



1852 



48-0 



4-2-8 



70-7 



29-8 



40-9 12 



5-280 







JJone 



4^47 



Miles. 



1853 



44-4 



—0-8 



64-7 



25-5 



39-2 10 



0-875 



2 



[nap. 



4^72 



Miles. 



1854 



49-5 



+4-3 



74-2 



29-8 



44-4 15 



1.495 



3 



[nap. 



4^60 



Miles. 







1-2 



0-37 

 4-69 



fts. 



M'n. 



15-171 1 



66-11 



24^29'4b8311-0 



2-960 



1-7 



Miles. 



