niontlUy Meteorological Register, at tue Provincial Mapueticai OliscrTatory, Toronto, Canada AVcst.— May, 1855. 

 Latitude, 43 deg. 39.4 min. North. Longitude, 79 deg 21. min. West. Elevation ahooe Lake Ontario, 108/ce«. 



— 



Barom. at temp, of 32 deg. 



Temp, of the Air. 



Mean 



Tension of Vapour. 



Humid'y of Air. 



Wind. 



















Temp, 

 -j- or — 









Rain 















































3now 









10 





6 



2 



10 





of the 



6 



2 



10 





6 



2 



10 











Mean 



m 



in 



p 



6 a.m. 



2 P.M. 



P.M. 



Mean. 



A.M. 

 



51-0 



P.M. 



P.M. 



m'n. 





 57-3 



Average 



A.M. 



0-335 



P M. 



P.M. 



m'n 



A.M 



-91 



P.M 



-64 



P.M 



-73 



u'n 



6 a.m. 



2 p.m. 



10 p.m. 



Vel'y 

 4^96 



Inch. 



Inch. 



] 



'9-608 



29-686 



29-763 



29^693 



68°2 



5I-6 



+10-9 



0-433 



0^308 



0-350 



-76 



Nb W 



SbW 



N 





o 



-840 



-800 



■754 



•795 



49^5 



55-9 



49-0 



51-7 



+ 5-0 



-308 



-158 



-270 



-25li 



88 



36 



79 



68 



ENE 



E bN 



EbN 



9^3V 







^ 



-768 



-761 



■751 



•763 



53-5 



59-2 



44-7 



52-2 



+ 5-1 



-286 



•217 



•200 



-219 



71 



44 



69 



58 



ENE 



ESE 



Eb N 



7^57 







l\ 



-813 



■758 



-787 



•784 



48^1 



60-5 



47-4 



52-1 



+ 4-6 



-237 



-148 



-166 



-188 



72 



28 



51 



bi 



Nb W 



N 



N b W, 



14^98 







5 



•836 



-763 



•710 



•761 



46.7 



63-7 



49-0 



53-3 



+ 5-6 



-201 



-271 



-233 



-221 



64 



47 



74 



5; 



Nb W 



S W 



NN W 



10-72 





... 



fi 



•609 



•478 







47-8 



62-0 







. 







■189 



■205 



— 



— 



58 



37 



— 



— 



NWbW 



NbW 





10-63 





... 





•56-' 



•526 



•483 



•524 



38^2 



421 



34-1 



38-1 



—10-3 



■116 



■144 



-166 



•141 



50 



55 



85 



63 



ENE 



ESE 



NbE 



6-09 



1-000 



0-8 



8 



•353 



•469 



•568 



•476 



35^2 



39-7 



39-0 



37-7 



—11-1 



■199 



-202 



-213 



•202 



97 



83 



91 



90 



N bN 



NEbN 



N N W 



8-23 



0300 



0-6 



P 



■ ^700 



•768 



•818 



•770 



43-1 



56-7 



38-1 



45-4 



— 3-8 



■152 



-226 



-167 



•182 



55 



50 



72 



61 



NbE 



S 



Calm. 



5-69 







10 



•875 



•825 



•766 



•816 



46^3 



,59-2 



42-4 



50-1 



+ 0-6 



■258 



-233 



-171 



■201 



83 



47 



64 



58 



N 



ss w 



Calm. 



8-88 







11 



•741 



•630 



■602 



•651 



45-0 



64^9 



42-4 



52-0 



+ 2-1 



-184 



-287 



-182 



■200 



02 



40 



68 



54 



Calm 



SbW 



Nb W 



6-04 



Inap. 





1'^ 



•615 



•572 



-580 



•588 



51-0 



66-6 



48-6 



54-3 



+ 4-2 



-266 



-330 



-276 



■304 



72 



52 



82 



V4 



NbE 



SbW 



Calm. 



1-66 



Inap. 





^^ 



•582 



•488 







44-9 



68-9 













-256 



-343 



— 



— 



87 



49 



— 



— 



Calm 



S b E 





4-42 



0-285 





14 



•63'^ 



•644 



-563 



•607 



49-5 



65-5 



.51-7 



56-2 



+ 5-3 



-312 



-367 



•288 



■330 



89 



60 



76 



75 



SWbW 



SbE 



Calm 



1-92 



... 



... 



15 



•487 



•374 



-283 



•380 



48-n 



66-4 



59-6 



59-9 



+ 8-6 



-298 



-441 



•405 



■896 



89 



70 



82 



V9 



Calm 



SWbS 



WbN 



8-96 



0-1J40 





16 



•398 



•411 



-596 



•487 



52^2 



62-1 



42-7 



.51 -6 



0-0 



•354 



-278 



-214 



■276 



91 



51 



79 



74 



NWbW 



NWbW 



NNW 



8-85 



... 





17 



•736 



•749 



-755 



•750 



49-5 



66 



45-8 



.58-8 



+ 1-8 



-179 



-261 



-220 



■215 



50 



42 



72 



54 



NbW 



NbW 



Calm 



4-63 







1R 



•756 



•666 



-556 



•6 IS 



46-4 



62-7 



51 6 



•55 



+ 2-7 



-219 



-229 



-207 



•232 



71 



41 



55 



56 



Calm 



ENE 



E 



6-83 





... 



19 



-504 



•483 



-486 



•484 



52-0 



58-6 



49-9 



53-1 



+ 0-5 



-265 



-34f) 



-279 



•303 



70 



72 



79 



76 



Calm 



EbS 



Calm 



1-82 



' ... 



... 



■JO 



-470 



•458 









57-4 



74-3 



— . 



— 







-363 



-449 



— 



— 



79 



55 



— 



— 



N W 



SWbS 





7-27 







''1 



•566 



•541 



-494 



•526 



51-7 



,59-6 



46-6 



.53-3 



0-0 



■199 



-223 



•255 



•231 



54 



44 



81 



60 



NbE 



SbW 



Calm. 



1-66 







99 



•513 



•508 



•497 



•512 



50-6 



63-0 



54-3 



56-5 



+ 2-8 



■235 



-237 



•285 



•251 



65 



42 



69 



5V 



Calm 



SEbS 



Calm. 



0-89 





... 



"53 



•536 



•506 



•528 



-528 



.54-1 



61-0 



54-3 



56^2 



1 2-2 



-245 



-371 



300 



•295 



60 



70 



74 



66 



ENE 



E 



Calm. 



3-03 



0-160 





94 



•566 



•617 









56-8 



74-8 



. 











-310 



■392 



. — 



— 



69 



47 



— 



— 



NWbW 



SbW 





4-84 





... 



"Jft 



•839 



-772 



•785 



-801 



51 ■-( 



65-3 



47-8 



54^9 



+ 0-2 



-288 



■256 



•198 



•261 



76 



42 



60 



62 



Calm 



NbW 



NbW 



11-10 







96 



•888 



-805 



•835 



-833 



45^4 



60-7 



49-4 



.53 ^2 



— 1-8 



-158 



•157 



•241 



•184 



53 



30 



69 



48 



N 



NWbN 



NbW 



11-31 



... 





97 



•902 



•823 









50-6 



63-0 







. 







-208 



•237 



— 



— 



67 



42 



— 



— 



N 



SWbS 





4-72 







'^8 



•797 



■771 



•737 



-767 



50-6 



67-8 



48-1 



■56 ■O 



+ 0-3 



-231 



•286 



•218 



■261 



63 



43 



66 



60 



N 



SEbE 



SEbE 



1-82 







9q 



•777 



-758 



•729 



-7.55 



51-7 



71-4 



49-5 



57^9 



+ 2-0 



-245 



•295 



•266 



•268 



65 



39 



76 



58 



Calm 



SE 



Calm. 



1-48 







30 



•792 



-695 



•633 



-702 



47-5 



68-9 



52-6 



57-7 



+ l-'5 



-270 



•415 



■351 



•344 



84 



60 



90 



74 



NNE 



ESE 



Calm 



2-82 





... 



31 



•627 



-542 

 29-646 



•447 

 29-635 



-533 



59^2 



48-8 



64-3 



57-8 

 T8-1 



60-3 

 53 -T 



+ 3-7 



-383 

 -247 



•425 

 •277 



■389 

 ■249 



•400 



^8 



77 

 T2 



72 

 "5l 



83 



78 

 "■65 



S SE 

 4-09 



SWbS 

 7-96 



SbW 



6^04 

 5^93 



0-4k 

 l!55 





M 



29-675 



29-6-51 



61-5 



+ 1-6 



4-00 



0-9 



Hi"hest Barometer 29-902, at 6 a.m. on 27th \ Monthly range : 



Lowest Barometer 29-283, at 10 p.m. on 15th / 0-619 inches. 



Highest registered temperature 77°-5, at p.m., 20th "1 Monthly range : 

 Lowest registered temperature 33°-0, at a.m. on 9th / 44°-5. 



Mean Maximum Thermometer 65°-40 \ Mean daily range: 



Mean Minimum Thermometer 41°-42 / 23.98 



Greatest daily range 39°-4, from p.m. of 24th to a.m. of 25th. 



Least daily i-ange 10°-0, from p.m. of 7th, to a.m. of 8th. 



Warmest day 31st. Mean temperature 60°-25 1 Difference, 



Coldest day 8th. Mean temperature.. ....87°-68 / 22°-57. 



Greatest intensity of Solar Radiation, 89°-2 on p.m. of20th 1 Range, 

 Lowest point of Terrestrial Radiation, 23°-6 on a. m. of 10th / 65°-6. 

 Aurora obseryed on 4 nights: viz. 1st, 8th, 10th, and 16th. 

 Possible to see Aurora on 20 nights. Impossible on 11 nights. 

 Rainino- on 6 days. Raining 30-9 hours: depth, 2-565 inches. 

 Snowing on 2 days. Snowing 7-0 hours ; depth 0-9 inches. 



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

 directions. 



North— 2741-56 West— 1017-04 South— 690-05 East— 998-C6. 



Mean direction of the Wind, N 1° W. 



^Iean velocity of the Wind, 5-93 miles per hour. 



Maximum velocity, 24-7 miles perhour, from 10 to 11 a.m. on 4th. - 



Most windy day, the 4th; mean velocity, 14-98 miles per hour. 



.Least windy day, the 22nd ; mean velocity, 0-89 " " 



Most windy hour, noon; Mean velocity, 9-04 miles per hour. 



Least windy hour, 1 a.m. ; Mean velocity, 3-41 miles per hour. 



Mean diurnal variation, 5-63 miles. 



Mean of Cloudiness, 0^46. 



1st. Total eclipse of the Moon from 8h 54m p.m. 1st, to 0.45m. a.m. 

 of 2nd. 



7th. Snow storm from 3h 30m p.m., continuing daring the night. 



8th. Snow storm until noon. Cold stormy day. 

 11th. Halo round the sun at 3 p.m. 



15th. Severe thunder storm from 7 p.m. till midnight. 



23rd. Thunder storm with heavy rain and large hailstones, from 



Oh 30m to Ih. 30m p.m. 



The results of the above table show that the Mean Temperature of 

 May, 1855, has been l-°6 warmer than the average of the last 16 years. 

 The total quantity of Bain, 0-4 inch, less than the average ; and the 

 velocity of the Wind 0-5 miles per hour greater than the average of 

 the last 8 years. 



Coiniiarative Table for May. 





Temperature. 



J-ain. 1 



fcnow. 1 



■^'ind 



Mean 



Velocity 



in Miles. 





PS 



3 



llean. 



Dif. 

 from 

 Av'ge 



Max. 

 obs'vd 



o^^vi|Hange 



D's. 



iBch. 



D's. 



Inch. 





1840 

 1841 

 1842 

 1843 

 1844 

 1845 

 1846 

 1847 

 1848 

 1849 

 1850 

 1851 

 1852 

 1858 

 1854 

 1855 



53-8 



50-5 

 49-1 

 49-1 

 53-6 

 49-6 

 55-5 

 54-4 

 54-1 

 48-0 

 47-6 

 51-3 

 51-4 

 50-9 

 52-2 

 53-1 



+2-3 

 —1-0 

 -2-4 

 —2-4 

 +2-1 

 —1-9 

 +4-0 

 +2-9 

 +2-6 

 —8-5 

 —3-9 

 —0-2 

 -0-1 

 —0-6 

 +0-7 

 +1-6 



74-5 

 76-2 

 74-3 

 79-6 

 77-7 

 76-6 

 78-1 

 72-5 

 78-5 

 72-5 

 76-3 

 73-2 

 73-3 

 78-4 

 69-0 

 74-8 



30-8 

 26-6 

 30-0 

 28-9 

 29-0 

 29-4 

 34-3 

 27-8 

 31 ■g 

 82^7 

 81-1 

 28^7 

 34^5 

 38^4 

 27^6 

 -33^9 



48-7 

 49-6 

 44-3 

 50-7 

 48-7 

 47-2 

 43-8 

 44-7 

 46^6 

 89^8 

 45^2 

 44-5 

 38^8 

 40^0 

 41^4 

 40^9 



9 

 11 



7 



5 

 14 



8 



9 

 12 

 13 

 16 



7 

 12 



7 



17 

 11 



6 



4-150 

 2-350 

 1-275 

 1-570 

 5-670 

 2-300 

 4-375 

 2-040 

 2-520 

 5-115 

 0-545 

 2-950 

 1-125 

 4-420 

 4-630 

 2-565 



1 



i 



1 

 1 



1 



2' 



[nap. 



[nap. 



0-5 



[nap. 



[nap. 



"0-9 



0-35 

 0-53 

 0-52 

 0-80 

 0-55 

 0-46 

 0-29 

 4-93 

 5-83 

 6-32 

 6-34 

 4-00 

 5-14 

 5-38 

 5-98 



lb. 



ft. 



lb. 



lb. 



ft. 



ft. 



ft. 



Miles. 



Miles. 



Miles. 



Miles. 



Miles. 



Miles. 



Miles. 



Miles. 





0-43 

 5-42 



fts. 



M'n. 



51.51 





75-84 



30^97!44-37 



10-3 



2-975 



0-4 



0-1 



Miles.. 



