MONTHLY METEOROLOGICAL REGISTER, ST. MiVRTINS, ISLE JESUS, CANADA EAST, (NINE MILES WEST OF MONTREAL,) FOR THE MONTH OF AUGUST, 1861. 



Latitude, 45 degrees 32 minutes North. Longitude, 73 degrees 36 minutes West. Height above the level of the Sea, 118 feet. 



BY CHARLES SMALLWOOD, M.D., LL.D. 



Baromoter— corrected 

 aud reduced to 



33" F. 

 (English inches.) 



10 p.m. 



29. 720 

 543 

 837 

 514 

 654 

 837 

 890 



548 



816 



860 



939 



30. 060 



026 



29, 975 



30, 004 



29, 951 



30.056 



151 



29.897 



615 



918 



30. 004 



041 



29.951 



Tcmporaturo of tho 

 Air.-F. 



67.4 

 70.0 

 71.4 

 65.2 



59.7 

 61.6 

 60.1 

 6S.5 

 62.1 

 53.2 

 54,6 

 53,5 

 49,7 

 5S,0 

 64,2 

 64.1 

 58.1 

 50.0 

 56.0 

 61.6 

 53.5 

 64.1 

 62.0 

 65.8 

 65.0 

 62.4 

 63, 6 

 57,7 

 49,0 



89.6 

 84.7 

 85.1 

 85.7 

 84.1 

 68,3 

 78,5 

 76.6 

 83.0 

 83.6 

 78.2 

 73.4 

 71.0 

 71.1 

 80.2 

 84.3 

 78.8 

 79.6 

 83.1 

 78.0 

 69.3 

 69.1 

 73,6 

 76,2 

 78,6 

 83,5 

 76.1 

 81.2 

 78.0 

 77.1 

 68. 4 



70.1 

 72.2 



57.7 

 64.6 

 61.1 

 61.4 

 61.0 

 58.5 

 59.4 

 59.4 

 51.0 

 62.4 

 66.6 



63.0 

 63,1 

 63,7 

 05,3 

 68,0 

 57.5 

 59.1 

 53.2 



Barometer— corrected 

 aud reduced to 



32° F. 

 (English inehcs.) 



6 a. m. 



30.030 

 29.959 

 6.37 

 882 

 992 

 699 

 850 



198 

 29.833 

 621 

 802 

 912 



999 

 30.270 



p. m. 10 p. ra. 



30,017 



20.914 



720 



804 

 830 

 862 

 30, 052 

 29, 799 

 823 

 704 

 848 

 660 

 757 

 630 

 904 

 993 

 750 

 515 

 540 

 30.050 

 235 



30.021 



29.844 

 582 

 902 



30.170 

 150 

 017 



29.662 

 736 

 914 

 808 

 967 

 934 

 817 

 871 

 683 

 837 

 756 

 770 

 707 

 991 

 845 



643 

 ).196 



Temperature of the 

 Air.— F. 



Oa. m. |2p.m. lOp. 



71.0 

 59.0 

 48.6 

 56.1 

 56.0 

 46.5 

 48.2 

 61.0 

 63.3 

 52.5 

 56.1 

 60.1 

 68.2 

 41.0 

 47.5 

 46.2 

 61.0 

 67.0 

 47.0 

 46.2 

 47.0 

 50.0 

 48.0 

 50.1 

 58.5 

 54.3 

 41,1 

 40.2 



81.4 

 65.0 

 69.6 



67.7 

 57.1 

 68.4 

 75.6 

 75.2 

 73.6 

 69.6 

 68.0 

 79.6 

 78.4 

 61.7 

 4S.0 

 61.0 

 69,5 

 69.7 

 64.1 

 79.1 

 58 7 

 55.6 

 50.1 

 69.0 



53,7 

 55,7 

 60,1 

 62.0 

 50.1 

 53.0 

 66.0 

 64,1 

 56.1 

 63.0 



51.0 

 52.0 

 65.1 

 72.0 

 52.9 

 45.0 

 48.8 

 64.0 

 61.3 

 55.0 

 65,0 

 57.6 

 51.0 

 38.6 



to.o 



Tension of Aqueous 

 Vapour. 



.706 

 .609 

 .712 

 .528 

 .378 



.433 

 .510 

 .422 

 .471 

 .549 

 .619 

 .343 

 .387 



Humidit.v of the 

 Atmosphere. 



p. m. 10 p. m. 



.73 

 .47 

 .63 



DtrOctiou of Wind. 



2 p. m. 



10 p. m. 



S. W, 



N. 



N. E. by E 



N. N. E. 



E. by N. 



S.W.bjS. 



W. S.\V. 



S.S. \V, 



w. 



s. 



8. by W. 



,s.w. 

 s. 



s. s. w. 

 w. 



K. S. E. 

 S. by E. 



vv. 



8. S.E. 



W. 



W. N. W. 



S. "W. by S. 



" N. E. 



S.byE. 



S.W. 



S. 



:. :. E. 



N.E.byE. 



s. s. w. 

 s. s. w. 



S. 8. Vf. 



w. s. w. 

 w. 



N. E. by E. 

 E. S. E. 

 S.E. 

 S. S. W. 



s. w. 

 s. s. w. 

 s. s. w. 



S.S.E. 

 S. S. E. 

 S. S.W. 



w. 



8. S. W- . 



w. s. w. 



E. S. E. 

 N.W. 

 W. S, W. 



s. s. w. 

 w. 



N.by W. 



S. 



8. S. E. 



S. by E. 



S.B.byE. 



W. N. W. 



N. N. E. 



N. E. by E. 



S.S. W, 



S.S.W. 



S.S.W. 



S.W. 



W. K. W. 



E.byS. 



E. by N. 



S.E. 



W. 



w. s. w. 

 w. 



S.W.byW 



S. by E. 



S. by W. 



S. 



S. byW. 



W. 



w. s. w. 



o S.s'n 



31.40 



87.00 



58.10 



175.00 



119. 80 



56,40 



60,80 



11,00 



160,40 



4S.70 



78,10 



229. 30 



224.40 



60,30 



45.60 



90,60 



67.50 



61.10 



156.60 



34.70 



123. 90 



176. 61 



81.75 



21.20 



20 20 



76.00 



64.10 



8S.80 



62.40 



108, 40 



OZONE. 



Mean 

 amount 



of, in 

 tenths. 



2,0 

 1.6 

 1.5 

 2.0 

 2.0 

 1.0 

 l.S 

 1.0 

 1.0 

 1.5 

 1.5 

 1.6 

 2.0 

 • 2.0 

 1.5 



1.5 

 1,0 

 1.0 

 3.0 

 3,0 

 2.0 

 2.5 

 1.5 

 2.0 

 2.0 

 1.5 

 1.0 

 1.6 

 1.6 



Amount 

 of, in 

 inches. 



luapp. 



Inapp. 

 0.310 



Inapp, 



luapp, 

 0.680 



0.300 

 Inapp. 



Inapp, 

 Inapp. 



Amount 

 of, in 

 inches 



WEiTHEE, CLOUDS, BEMABE8, &C.4c, 



[A cloudy slty is represented by 10, a cloudless one by 0,] 



0, C, Str, 



Fog. 



Clear. 



Cu. Str, 

 Clear. 



C. C, Str, 4. 

 Clear. 



Cu. Str, 4, 

 " 6, 



10, 

 Clear. Hea^-y dew. 

 Clear, 



Cu. Str, 4, 

 Cirr. 4. 



Clear. 



C. C. Str. 10. 



Rain. 



Clear, 



2 p.m. 



C. C. Str. 

 Cu. Str. 



Rain. 

 Clear. 



Clear. 



C. C. Str. 



Clear. 



C.C.Slr. 



Clear. 



Str. 



Clear. 



Cirr. 

 Cu. Str. 

 Clear. 

 Cu. Str. 



Clear. 

 C. C. Str. 

 On. Str. 

 Clear. 

 Cirr. 

 Cu. Str. 



Clear. 

 Cu. Str. 



C. C. Str. 

 Cu. Str. 

 Cirr. 

 iCu. Str. 

 Clear. 



10 p. 1 



Clear. Faint Aurora Borealis. 



Cirr. Str, 10. 



Clear. 



Cu. Str. 1. Thunder, 



C.C. Str. 8, 



Cu. Str. 4. 



Str. 4, 



Clear. Aurora Borealis. 



C. C, Str. 1. 



Clear. Distant Thunder. 



Clear. Aurora Borealis. 



Cu. Str. 9. 



4. Inapp. faint Uala. 

 Clear. Aurora Borealis. 



Cu. Str. 10, 



Cu, Str, 

 Clear. 

 Cu, Str, 

 Clear, 



Cu, Str. 

 C, C. Str, 

 Clear. 

 C. C. Str. 

 Cu. Str. 

 Clear. 

 Cu. Str. 

 Clear. 



6. Distant Thunder. 



liEPORT FOR THE MONTH OF SEPTE.MBEK, 1S61. 



Tension of Aqueous 

 Vapour, 



.297 

 .376 

 .651 

 .358 

 .278 

 .393 

 .370 

 .280 

 .285 

 .348 

 .321 

 .361 

 .427 

 .432 

 .684 

 .2.35 

 .291 

 .269 

 .419 

 .429 

 .291 

 .286 

 .309 

 .290 

 .310 

 .309 

 .476 

 .399 

 .212 



.365 

 .502 

 .685 

 .307 

 .367 

 .568 

 .550 

 .362 

 .349 



.476 

 .329 



.302 

 .461 

 ..592 

 .314 

 .619 

 .423 

 .259 



.290 

 .303 



.321 

 .376 

 .583 

 .469 



Humidity of the 

 Atmosphere. 



.85 

 .85 



Direction of Wind. 



. m. 



W. S. W. 

 S. E. by B. 

 W. S. W, 

 W. 



s, 



S, S. E. 

 S. S. W. 



w. s, w. 



8, 



E. S. E. 

 N. E. by N, 

 S. S. W. 

 8. by E. 

 S. E. by E. 

 S.W. 



S.W.byW. 

 B. 8. E. 

 N. B 



S. E. by E. 

 W. 8. W. 

 N. E. by B. 

 N. by W. 

 S. S. E. 

 S.W, 

 S. S. E. 

 S.S. E. 

 S. S. E. 

 S. W. by S. 

 W. by S. 

 8, S, E. 



2 p. m. 



W.S.W. 



s. s. w. 



s. s. w. 

 w. 



8. by E. 

 E. 8. E. 

 S. S. W. 

 S.W. 

 E. 8. E. 

 E. S. E. 

 S.S.E. 

 S. S. W, 



10 p. m. 



W. S. w. 

 E. bvN. 

 S S. W. 

 W. S. W, 

 S. S.E. 

 E. S. E. 

 S. S. W. 

 S. W, 

 S. E. 

 E. 

 N. 



s. s. w. 



S. S. E. 

 S, E, 

 N, W, 

 S, E,byE, 

 S. E. by E. 

 S. B. 

 E. 8. B. 

 N. E. by E. 

 N. E. by E. 

 S. S. W, 

 S, S. W. 

 S. W. by S. 

 S. S. B. 

 S. S. B. 

 E. 



w. s. w. 



S.W. 

 S. by E. 



WEATHEE, CLOPDS, EBMAEK3, &.C., &C. 



[A cloudy sky is represented by 10, a cloudless one by 0.] 



Clear. 



Cu. Str. 



4. 



Frost. 

 8. 

 4. 



10. 



Clear. 

 Cu. Str. 



Clear. 

 C. C. Str. 



Cu. Str. 10. 



" 10. 

 Fog. 



C. C. Str. 4. 



Cirr. 2. 

 Clear. Frost. 



C. C. Str. 8. 



Cu. Str. 4. 



Cirr. Str. 4. 



C. C. Str. 4. 

 Rain. 



Cu. Str. 10. 

 Hain. 

 Clear. 

 Fog. 



C. C. Str. S. 

 Rain. 



Cu. Str. 10. 



Clear. 

 Cu Str. 



C. C. Str. 

 Cu. Str. 

 Clear. 

 Cu._Str. 



Clear. 

 Rain. 

 Cu. Str. 

 Clear. 

 Cu. Str. 



Clear. 



Cu. Str. 

 Clear. 

 Cu. Str. 



Clear. 



Cirr. 

 Cu. Str. 

 aalu, 

 Cu. Str. 

 Clear. 

 Cu. Str. 



Clear. Aurora Borealis. 



Cu. Str. 10. 



Clear. Distant Thunder at 6*30 

 " Faint Aurora Borealis. 

 Cu. Str. 2. 

 Clear. 



Cu. Str. 

 Clear. 



Cu. Str. 

 Clear. 



10 p. m. 



2. faiut Aurora Borealis. 



Raiu. 



Clear. Aurora Borealis. 



Cu. Str. 10. 



Clear. 



C. C. Str. 8. 

 Cu. Str. 10. 

 Clear. Aurora Borealis. 



Cu. Str. 

 Ratn. 

 C. C. Str. 

 Clear. 



REMARKS FOR AUGUST, 1861. 



REMARKS FOR SEPTEMBER, 1861. 



f Highest, the 20th day, :J0*190 inches. 



5 Lowest, the 10th day, 29.420 

 ■ "5 Monthly Mean, 29.853 



(. " Range, ft.770 



('Highest, the 1st day, go^ 0. 



\ Lowest, tho 20th day, 46 = 2. 

 ■• ) Monthly Mean, 60 o 84. 



(.Monthly Range, 43 o 8. 

 Greatest intensity of the Sun's rays, 108 ° 4. 

 Lowest point of Terrestrial radiation,— 41 o 7. 

 Amount of evaporation, 3'02 iuches. 

 Mean of Humidity, ,736. 



Thermometer 



Rain fell on 12 days, amounting to 1.950 inches; it was raining 

 1 2 liours and 31 minutes, and was accompanied by thunder on 

 5 days. 



Most prevalent wind, tho S. S. W. 



Least prevalent mnd, the N. 



Most windy day the 14th day, mean miles per hour, 9.35. 



Least winny day the 9th day, mean miles per hour, 0.42. 



Aiu"ora Borealis visible on 4 nights. 



Solar Haloes visihle on 3 days. 



The Electrical state of the Atmosphere has indicated rather 

 high intensity. 



(Highest, the 3Dth day, 30.299 inches. 

 Tj«,.,.mfifA^ jLowest,the 28th day, 29.276 



Barometer SMnnthlv Mean. 29.849 



■ jMonthly Mean, 29.84'9 



(m 



Thermometer. 



(.Monthly Range, 1.023 



rHigh^t, the listh day. 79 ° 6. 



3 Lowest, the 251h day,— 35° 0. 



JMonthly Mean, G8»iKf. 



(Monthly Range, 4436. 

 Greatest intensity of the Sun's rays, 97 °t^. 

 Lowest noint of terrestrial radiatiou,— 32*0. 

 Mean of humidity, '8114. 

 Amount of Evaporation, 1*83 inches. 



Raiu fell on 9 days, amounting to 4"816 inches, it was raininx 

 66 hours, 50 minutes, and Thunder was heard on 1 da^-. 



Most pre%'alent wind, S. S. E. 



Least prevalent wind, E. 



Most windy day, tho 21st day ; mean milea per hour, 31.60. 



Least windy day, the 17th day ; mean miles per hour, 0.02. 



Aurora BoreaUs ttsible on 5 nighls. On 2 nights the Mag- 

 netic disturbance was considerable during its apparition. 



The Electrical state of the Atmosphere has indicated feeble 

 intensity. 



First Frost occurred on the 5th d&y. 



Solar Haloes seen on 2 daj-s. 



