266 



Hourly Meteorological Observations, December 14 — 17, 1845. 



Gbtt. 

 Mean 

 Time. 



d. h. 



14 21 

 22 

 23 



15 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



16 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 



16 



17 



18 



19 



20 



21 



22 



23 







1 



2 



3 



4 



17 



Baro- 



METEE 



at 32°. 



m. 



29-332 

 345 

 357 

 355 

 350 

 329 

 319 

 332 

 333 

 330 

 329 

 320 

 316 

 310 

 306 

 303 



29-287 

 273 

 244 

 2.30 

 210 

 202 

 207 

 228 

 256 

 274 

 298 

 325 

 337 

 336 

 338 

 340 

 338 

 354 

 358 

 380 

 401 

 414 

 423 

 459 



29-477 

 476 

 502 

 526 

 536 

 540 

 536 

 545 

 548 

 552 

 548 

 536 

 516 

 505 

 483 

 472 



Thermometers. 



Dry. 



41-8 

 40-9 

 41-2 

 43-6 

 43-6 

 43-6 

 40-6 

 41-3 

 410 

 41-8 

 41-8 

 42-3 

 41-9 

 41-9 

 42-7 

 43-3 



43-2 

 43-3 

 45-0 

 44-8 

 44-1 

 43-3 

 42-8 

 42-2 

 41-7 

 41-3 

 41-6 

 41-6 

 41-6 

 41-6 

 40-7 

 40-4 

 38-6 

 39-5 

 39-5 

 380 

 38-2 

 37-0 

 35-7 

 34-3 



33-3 

 35-3 

 34-4 

 29-6 

 28-3 

 30-9 

 27-8 

 28-8 

 29-3 

 30-2 

 31-3 

 32-2 

 32-7 

 35-6 

 34-7 

 32-5 



Wet. 



371 



36-9 

 37-8 

 38-9 

 38-8 

 39-4 

 ,38-5 

 39-0 

 38-2 

 38-4 

 390 

 39-0 

 39-0 

 38-7 

 39-0 

 39-6 



39-5 

 39-9 

 40-2 

 40-5 

 40-7 

 39-8 

 39-3 

 390 

 37-6 

 37-2 

 370 

 37-2 

 36-8 

 37-0 

 36-7 

 36-5 

 36-9 

 36-4 

 35-7 

 34-6 

 34-8 

 34-2 

 33-3 

 32-2 



30-7 

 31-7 

 30-8 

 27-9 

 26-7 

 28-5 

 26-8 

 27-7 

 28-3 

 28-8 

 29-9 

 30-7 

 31-2 

 33-0 

 32-7 

 310 



Diff. 



4-7 

 4-0 

 3-4 

 4-7 

 4-8 

 4-2 

 21 

 2-3 

 2-8 

 3-4 

 2-8 

 3-3 

 2-9 

 3-2 

 3-7 

 3-7 



3-7 

 3-4 

 4-8 

 4-3 

 3-4 

 3-5 

 3-5 

 3-2 

 4-1 

 4-1 

 4-6 

 4-4 

 4-8 

 4-6 

 4-0 

 3-9 

 1-7 

 3-1 

 3-8 

 3-4 

 3-4 

 2-8 

 2-4 

 2-1 



2-6 

 3-6 

 3-6 

 1-7 

 1-6 

 2-4 

 10 

 M 

 1-0 

 1-4 

 1-4 

 1-5 

 1-5 

 2-6 

 2-0 

 1-5 



Wind. 



Maximum 

 force in 

 Ih, 10"». 



Prom 



lbs. 



2-4 

 20 

 1-9 

 2-4 

 3-4 

 21 

 3-3 

 2-5 

 21 

 3-3 

 3-7 

 2-2 

 2-7 

 2-3 

 2-7 

 2-0 



2-2 

 20 

 3-2 

 5-0 

 3-6 

 3-7 

 2-6 

 3-4 

 3-8 

 2-6 

 1-8 

 2-5 

 2-3 

 2-2 

 2-1 

 21 

 1-7 

 2-4 

 2-2 

 1-6 

 1-8 

 0-9 

 1-3 

 1-0 



0-1 

 0-6 

 0-5 

 0-4 

 00 

 00 

 00 

 00 

 00 

 0-0 

 0-1 

 00 

 00 

 00 

 0-0 

 00 



lbs. 



1-4 



1-4 

 1-3 

 2-1 

 2-2 

 0-6 

 2-8 

 3-8 

 1-7 

 2-2 

 30 

 1-8 

 1-6 

 1-1 

 3-2 

 1-7 



1-9 

 2-2 

 2-8 

 4-1 

 2-6 

 2-7 

 2-2 

 3-2 

 2-3 

 2-5 

 2-5 

 1-6 

 1-1 

 1-3 

 1-4 

 1-8 

 1-0 

 0-8 

 10 

 0-6 

 0-8 

 1-2 

 1-0 

 0-0 



pt. 

 24 

 24 

 22 

 24 

 24 

 24 

 24 

 27 

 24 

 24 

 24 

 23 

 25 

 25 

 23 

 24 



23 

 24 

 24 

 24 

 24 

 24 

 24 

 24 

 26 

 26 

 25 

 26 

 24 

 24 

 24 

 24 

 24 

 24 

 24 

 25 

 26 

 25 

 28 

 20 



19 

 26 

 25 

 22 



18 

 20 

 20 

 18 

 18 

 18 

 23 

 7 

 28 

 28 



Clouds, 



Sc. :C.-s.:Ci. 



moving 



from 



pt. pt. 

 26: — : 

 26: — : 



pt. 



27 : — : — 

 27 : — : — 



26 : — : — 



— : 29 : 



Sky 

 clouded. 



28 



27: — 



0—10. 



2-0 

 1-5 

 1-0 

 2-5 

 2-0 

 2-5 

 3-0 

 •6-5 

 3-5 

 3-0 

 5-0 

 2-0 

 30 

 3-0 

 9-5 

 9-2 



9-5 

 8-0 

 9-8 

 10-0 

 10-0 

 100 

 9-5 

 9-8 

 9-5 

 90 

 9-0 

 8-5 

 8-0 

 8-0 

 7-5 

 7-0 

 80 

 3-0 

 0-5 

 1-0 

 2-0 

 1-0 

 0-5 

 10 



0-5 

 0-5 

 0-3 

 0-4 

 30 

 2-5 

 8-0 

 9-0 

 90 

 9-8 

 9-8 

 9-5 

 8-0 

 8-0 

 80 

 9-8 



Species of Clouds and Meteorological Remarks. • 



Scud on hor. ; woolly cir. lying from WNW. to ESE., 

 Loose scud ; cirro-strati. [barred across. } 



Id. ; id. Q 



Scud ; bands of cir. to S W. ,lying from WNW. to ESE, Q 

 Patches of scud ; id. q 



Id. ; id. Q 



Scud ; cirri as before ; shower"'^ at 2** 30™. Q 



Scud and loose nimbi; bands of cir. and cir.-str. ; shower^ 

 As before ; the cirri barred at right angles to the bands. 

 Scud and cirro-stratus ; drops of rain. 



Id. ; rain^'' ; part of a lunar rainbow. 



Loose cumuli. j 



Loose scud ; cirro-strati and cirri. \ 



Id. ; linear cir., rad. from S£. ; coloured cor. J 

 Scud on hor. ; woolly cirri, rad. from about SE. ; lunai 

 Scud ; cirri nearly as before ; lunar cor. ^ [halo. ] 



Scud ; cirri nearly as before ; halo and corona. - 



As before ; halo indistinct ; drops of rain occasionally. 

 Id. ; id. 



Id. ; id. 



Scud ; cirri becoming thicker ; corona ; drops of rain. 

 Id. ; id. ; id. ; id. 



Thick woolly cirri. ^ [scud ; rain"' 



Id. and cir.-str., rad. from ESE. ; loos 



Thick ribbed and dappled cirro-stratus. 



Id. ; patches of scud. 



Thick ribbed and dappled cir. str. ; patches of scud ; cum. on E. h( 

 Cir.-cum.-str. ; ribbed & dappled cir.-str. ; rad.fromWNW.&ESE.i 

 Reticulated, &c. cir., rad. from NW by W. and SE by E. cum.-8t 

 As before. A ^°^ ^- tor.; patches of scud. 



Id. ; cirri more broken ; dappled cirro-strati. 

 Woolly cirri and cirro-strati ; scud near horizon. 

 Nearly as before. 

 Radiating cirri and cirro-strati. 

 Cirri to SE. 



Woolly cir. lying NW by W. and SE by E . J [halo, 

 Patches of scud ; thin cirri ; limar cor. and portion oi 

 Spotted woolly cirri, with corona; halo and paraselens. 

 Cirri and cir. haze on hor. ; very faint lunar corona. 

 Sheets of cirro-stratous scud ; very thin cirrous haze. 



Small tufts of cloud from NW. to SE. ; streaks of cir 



Bands of cirri lying from NW. to SE. 



Streaks of cirri. 



Cirri and cirro-strati to SW. 



Woolly and mottled cirri ; a diffuse lunar corona. 



Cirro-cumulo-strati. 



Id. 



Id. ; thicker to W. ; sky to E. 



Id. ; clouds tinged red to E. 



Cir.-str., rad. from NWby W. and SE byE. ; cir. mas(i> 



Cirro-strati and cirrous haze ; solar halo. ) 



Id. ; id. ) 



Woolly and mottled cirri ; cir.-str., rad. from WN;- 



As before. O [and ENID 



Id. ; stratus on horizon. ,5 



Id. ; id. 



I 



The direction of the wind is indicated by the number of the point of the compass, reckoning N. ^ 0, E. := 8, S. := 16, W. = 24. t, 

 motions of the three strata of clouds, Sc. (scud), C.-s. (cirro-stratus), and Ci. (cirrus), are indicated in a similar manner. 



Dec. 16'i 4'^. The cirri radiating from NW by W. ; the cirri do not seem to extend far towards the NE., as they terminate abrupl| 

 to NE., at an altitude of about 20° ; this has been the case all day. I 



Dec. 16'i 19''. Observation made at IQ*- lO"". 



