MONTHLY METEOEOLOGICAL REGISTElt, ST. MARTINS, ISLE JESUS, CANADA EAST, (NINE MILES WEST OF MONTREAL,) FOE THE MONTH OF FEBRUARY, 1861. 



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



BY CHARLES SMALLWOOD, M.D LL.D. 



Barometer— corrected 

 and reduced to 



32" f. 

 (EngliHh iiichea.) 



2 p. m. 10 p. m. 



29.513 

 4S2 



30. oat 



213 

 29.612 

 311. 107 

 20.43.1 

 30.214 

 6<3 

 162 



i;o 



29. 6;(1 



571 



30. 098 



2». 914 



504 



125 



29.612 

 -195 



30. l'<4 

 137 

 out! 



29. 409 

 517 



30. 307 

 637 

 114 



29.956 

 S71 

 810 



.'iO.201 



29.720 

 614 



541 



905 



514 



711 



30. OtiO 



29. 757 



30.0d3 



000 



29 924 

 tiOl 



30. 331 

 170 



29,914 

 461 

 8&0 



30.3'(8 

 392 

 091 I 



Temperature of the 

 Air.-F. 



■ I 2 p. : 



-11-3 

 2t.2 

 7.2 

 - 6.0 

 -3.1 

 -21.0 

 7.0 



20.6 

 20 1 

 6.0 

 0,0 

 29,9 

 30,3 

 - 6,0 

 -14,1 

 0,0 

 27,2 

 44,3 

 43,7 

 30,8 

 33.8 

 22.5 

 29.4 

 31.8 

 31,2* 

 34.1 

 29.8 

 27.4 

 11.0 

 8,4 

 16.1 

 32.0 

 35. 4 

 53.2 



es.i 



1.1 



23.0 

 24.6 



—21.8 

 19,5 



— 7.0 

 31-0 

 40.1 

 36,2 

 21-6 

 22.4 

 19.9 

 20,4 

 31.1 

 23.7 

 11.8 



Tension of Aqueous 

 Vapour. 



Ji9l 

 .085 

 .02-2 

 .DIM 

 ,ll>6 

 .0»4 



.057 

 .03i 

 .04o 



.2:»5 

 .193 



Humidity of tho 

 Atniospliure. 



.8a 

 .U4 



Direction of AViiid. 



WEATHBB, CLOUDS, BEMAHK6, &C. &C. 

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



Snow. 



Cu. Str. IC 

 C 

 Clear. 



Cu.Str. 1( 

 1( 

 Snow. 

 Clear. 



Sleet, 



Slight Rain. 



Cu. St. 10 



C. C. Str. i 



Clear. 



Nim. 1( 



Snow. 



Cu. Str. It 



Clear. 



Snow. 



C. C. Str. 1( 



Cum. I 



Cu- Str. K 



Clear. 



10 p. m. 



REPORT FOR THE MONTH OF MARCH, 1861. 



Barometer — corrected 

 and reduced to 



320 F. 

 (English inches.) 



10 p. I 



29.905 



7.12 



413 



519 



821 



716 



30, 398 



29. 810 



320 



30.076 



040 



147 



167 



120 



000 



29. 430 



30.220 



500 



198 



138 



29.914 



30. 000 



29. 542 



864 



920 



749 



619 



30. 060 



29. 770 



30. 134 



Temperature of the 

 Air.-P. 



34.4 

 31.4 

 34,5 

 31.4 

 9,0 



1.0 



- 1.0 



-5.0 



-16 4 



-17.1 



-3,7 



6.0 



18.6 



16,2 



31,0 



14,4 



29,4 



33.4 



20.0 



21.1 



40 5 



15.0 



49.4 

 Vi i 

 41.4 

 34.6 

 30.4 

 21,6 

 3.0 

 26.6 

 35.6 



21,9 

 32,5 

 36.7 

 7.3 



31,9 

 20,0 

 47.1 

 48,4 

 32,3 

 36,9 

 34 6 

 38,1 

 3-4 2 

 39.0 

 38.7 

 32,4 



35,0 

 36,1 

 39.0 

 29.0 

 15.2 

 12,8 



0,0 

 29,8 

 33,1 

 19,1 

 17.7 

 10.4 

 18.4 



6.5 

 16.1 

 29.9 

 -2,9 

 -4.2 



1.6 



7,0 

 25.0 

 27,9 

 39.0 

 20,4 

 32-1 

 33.7 

 37,8 

 20,0 

 33.1 

 29,3 

 20.4 



Tension of .\queous 

 Vapour. 



.039 

 .020 

 .0.90 

 .192 

 ,136 

 ,023 

 .085 

 ,054 

 .024 

 .040 



.081 

 .219 

 .061 



2 p. m. 



,260 

 ,193 

 .229 

 .169 

 .136 

 .071 

 .032 



.140 

 .117 

 .09) 

 .071 



.015 

 .059 

 .136 

 .075 

 .273 

 .260 

 .150 



.209 

 .155 

 .158 

 .180 

 .137 



,162 

 .170 

 .201 

 .129 

 ,070 

 .091 

 .030 

 .136 



.050 

 .077 

 .032 

 .070 

 .130 

 ,033 

 .024 

 .026 

 .037 

 .101 

 .123 



.136 

 .081 



Humidity of the 

 Atniosplierc. 



.91 

 .84 

 .77 

 .75 

 .70 

 .69 

 .95 



Direction of Wind. 



N. N . E. 

 S. by W. 

 N. t. by B. 

 W. S. W. 

 W. 

 S, W. 

 W. by N. 

 S. E. by E. 

 S. S. B. 



w. s. w. 

 w. 



S. S. E. 



S. S. E. 



N. W. by N 



N. E. by B. 



iV. W. 



W. 



W. 



N. E. by E. 



N. E. by K. 



N. B. by E. 



N. E. by E. 



E. S.E. 



S. 



W. S.W. 



N. E. by E. 



N. E. by E. 



W. 



M. E. by E. 



W. s. W. 



N. E.byE. 



REMARKS FOR FEBRUARY, 1860. 



("Highest the 9th day, 30"595 inches, 



\ Lowest, the 17tb (hiy. 29.101 



1 Monthly Mean. 2y.7J0 



I. " R-aiiBe. 1 494 



(■Higliesl, the 20th da.v, 55 = 2. 



\ Lowest, the 8th day.— 37= 1. 



IMoiltlilvMean, 18o25. 



' Monthly Eanite, 90 o 3. 

 Greatest intensity of the Sun'.s rays. 80 ° 1. 

 Lowest point of Terrestrial radiation.— 39°4. 

 Mean of Humidity, .755. 



llain fell in 3 days, amountinR to 0.761 of an inch; it was 

 raining 17 liours and 25 minutes. 



Barometer , 



Thcnuometer.,.< 



Snow fell on 9 days, amounting to 27'85 inches ; it was snow- 

 ing 73 liours and 45 minutes. 



Most prevalent wind, tlie N. E. by E. 



I.ea.st prevalent wind, the B. 



Most windy day the 7th day, mean miles per hour, 23.12. 



Least win^'v day the 7th day. mean miles per hour, 0.17. 



Aurora Borea.'is visible on 2 nights. 



Lunar Halo visihle on 1 nivht. 



Zodiacal Lii-'ht bright. 



Crows ist Neeii on the 27th day. 



The llleetrical state ofthe Atmosphere has indicated constant 

 and moderate intensity. 



46.30 

 270.70 

 274. 00 

 290, 10 

 370, 90 

 180. 90 

 120. 70 

 272. 10 

 60.20 

 319.80 

 232, 90 

 14 60 

 17,10 

 27.90 

 313,50 

 66.90 

 103, 60 

 10.90 

 27.60 

 35. 20 

 70,80 

 372, 60 

 111.20 

 1.52. 80 

 209, 50 

 618,79 

 335, 20 

 197, 60 

 72,20 



Mean 



amouut 



of 



3,5 

 4.5 

 6.6 

 3.0 

 3,0 

 4.5 

 2.5 

 3.5 

 7,6 

 6.0 

 3.0 

 4.6 

 7.5 

 3,0 

 2.6 



1,0 

 4.0 

 3.0 

 2.5 

 2.0 

 2,0 

 6.3 

 4.0 

 3.0 

 6.0 

 3.5 

 2.0 



Amount 

 of, in 

 inches. 



Inapp. 

 0.747 



Inapp. 



0.510 

 0.235 



Amount 

 of, in 

 inches. 



0.77 

 1.40 



1.04 

 3.07 



WEATHEH. CLOUDS, EEMAEK8. AC, AC. 



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



Cu. Str. 9. 

 10. 

 Rain. 

 Clear. 



Cu. Str. 10. 

 Snow. 

 Clear. 



Rain. 



0. c. Str. 8. 



Clear. 



Str. 4. 



Snow. 



Clear. 



0. Str. 



Cu.Str. 



Clear. 



C. C. Str. 



Clear. 



Cu.Str. 



Cirr. 

 Bain. 

 Clear. 



C. C. Str. 

 0. Str. 



Cu. Str. 



Suow. 

 Clear. 

 C. C. Str. 

 Rain. 

 Cu Ct Str. 

 Clear. 



Cirr. 

 Clear. 



Snow. 

 Clear. 

 CirCum. 

 Cu. Str. 

 C. C. Str. 

 Rain. 

 I'og. 

 Clear. 

 Cu Cirr. 

 0. C. Str. 



10 p. m. 



C. Str. 9. Aurora borealis. 



Co. Sir. 10. 



Clear. 



Scud. 4. 



Clear. 



Slight Snow. 



Clear. 



C. C. Str. 4. 



Cu. Str. 10. 



Clear. 



C. C. Str. 10. 



Clear. 



Cu Str. 8. Aurora borealis. 



" 2, ■' 

 Sir. 2. " 

 Sbght Bain. 

 Clear. 



Cirr. 4. Lunar Halo. 



C. C. Sir. 6. 



Clear. 



Cu. Str. 10. 



Clear. 



C. C.Slr. 



Rain. 



Cu. Str. 10. 



Clear. Aurora borealis. 



Sleet. 



Cirr. t. Aurora borealis. 



Clear. 



10. 



REMARKS FOR MARCH, 1861. 



(■Highest, the 31st day. 30.599 inches. 



ILowest. the 30th da,v. 29.198 

 ■ J Monthly Mean, 29.978 



(Monthly Range, 1-401 



rilighest, the 1st day, 48 04. 



J Lowest, the 19th day.— 17° 1. 



IMonthlv Mean, 21° 94. 



fMonthly ltange.65°5. 

 Greatest intensity of the Snn's rays, 76 °6. 

 Lowest point of terrestrial radiation,— 19°7. 

 Mean of humidity, .768. 



Bain fell on 6 days, amounting to 1.750 of an inch: 

 raining 52 hours 35 minutes. 



Thermometer. 



Snow fell on 6 days, amounting to 8.34 inches, it was snowing 

 40 hours and 15 minutes. 



Most prevalent wind, tho N. E. by E. 



Least prevalent wind, the E. My N. 



Most windy da.y, the 29tb day ; mean miles per hour, 35.77, 



Least windy day, the 2nd day ; mean miles per hour, 0.61. 



Aurora Borealis visible on 6 nights. 



Lunar Halo visihle on 1 night. 



Imperfect Solar Halo the 3lst day. 



Zodiacal light was bright. 



The Elect: leal state of the Atmosphere baa indicated mode, 

 rate intensity. 



