Hourly Meteorological Observations, February 20 — 22, 1845. 



155 



^^" 





Thebmometeks. I 



Wind. 















Baro- 



METTR 



at 32°. 













Clouds 



Sc. :C.-s.: 



movinj 



from 



Ci., Sky 

 T clouded. 



Species of Clouds and Meteorological Remarks. 





tt. 

 an 

 ae. 



Dry. 



Wet. 



DJff. 



Masi 

 foic 



Ih. 



num 

 i in 



10™. 



From 





h. 



in. 



o 



o 



o 



lbs. 



lbs. 



pt. 



pt. pt. 



pt. 0—10. 







1 



29-783 



41-3 



37-0 



4-3 



0-9 



1-0 



18 



24: 



— : 



— 3-0 



Scud ; loose cirro-strati ; cirrous baze. 



O 



2 



768 



44-5 



40-0 



4-5 



1-3 



1-4 



18 



24: 



28: 



— 9-2 



Id. ; cirro-cumulo-strati ; cirro-strati. 



e 



3 



761 



43-3 



39-7 



3-6 



1-0 



0-5 



18 



— : 



28: 



— 9-8 



Id. ; id. 



• 



4 



754 



42-8 



39-7 



3-1 



0-9 



0-9 



18 



24: 



28: 



— 9-8 



Id. ; id. 





5 



754 



41-5 



38-7 



2-8 



0-7 



0-3 



18 



24: 



— : 



— 9-9 



Id. ; id. 





6 



748 



40-7 



38-3 



2-4 



0-3 



0-1 



16 





10-0 



Thick scud; reddish cirro-strati to NE. and NW. 





7 



746 



40-2 



38-0 



2-2 



0-1 



0-0 



18 





9-9 



Id. ; cirro-strati. 





8 



741 



37-8 



36-0 



1-8 



0-7 



0-4 



21 



28 : 28 : 



— 2-5 



Masses of scud and cirro-strati. 



i> 



9 



733 



37-1 



35-7 



1-4 



0-4 



0-1 



20 





7-5 



Scud ; loose cirro-cumuli. 



> 



10 



723 



37-2 



35-7 



1-5 



0-4 



0-4 



20 





9-8 



Id. ; id. ; drops of rain. 





11 



719 



360 



34-9 



M 



0-4 



0-2 



20 



28: — : 



— 6-5 



Id. ; id. 



> 



12 



710 



360 



35-0 



10 



0-3 



0-3 



18 



— :28: 



— 9-9 



Cirro-cumulo-strati. 





13 



29-703 



37-3 



36-1 



1-2 



0-4 



0-3 



20 





10-0 



Cirro-cumulo-strati. 





14 



692 



37-8 



36-4 



1-4 



0-5 



0-3 



16 



28 : 28 : 



— 8-5 



Scud ; cirro-cumulo-strati ; cirri. 



e 



15 



684 



37-0 



35-8 



1-2 



0-2 



0-1 



18 





10-0 



Id. ; id. 





16 



662 



37-0 



36-0 



1-0 



0-3 



0-3 



20 



28 : — : 



— 9-9 



Id. ; id. 





17 



660 



37-3 



36-0 



1-3 



0-4 



0-2 



20 



26: — : 



— 9-9 



Id. ; id. 





18 



642 



35-8 



34-8 



10 



0-2 



0-2 



18 





7-0 



Loose cirro-cumulo-strati ; cirro-strati. 





19 



624 



35-4 



34-4 



1-0 



0-5 



0-5 



20 





3-0 



Scud ; loose cirro-strati. 





20 



621 



34-4 



33-7 



0-7 



0-5 



0-2 



20 



25 : — 



30 3-0 



Id. ; cirro-strati ; patches of linear cirri. 





21 



625 



36-1 



35-0 



1-1 



0-4 



0-3 



20 



22:26 



— 9-5 



Loose scud on hor. ; cir. scud ; cirro-strati ; cirri ; shower 



22 



622 



37-6 



36-2 



1-4 



0-5 



01 



20 



25:26 



— 9-9 



Scud; cirro-stratous scud; cirro-strati. Qo NE. 



e 



23 



615 



39-3 



37-4 



1-9 



0-4 



0-4 



21 



24:26 



— 10-0 



Id. ; id. ; id. ; drops of rain. 









600 



40-6 



38-6 



2-0 



0-5 



0-4 



18 



25: — 



— 10-0 



Id.; id.; id.; id. 





1 



581 



411 



39-2 



1-9 



0-5 



0-3 



20 





10-0 



Id.; id.; id.; id. 





2 



563 



40-2 



390 



1-2 



0-6 



0-4 



18 



26 



— 



— 10-0 



Thick scud ; cirro-strati ; occasional rain ''■^• 





3 



544 



39-7 



38-6 



1-1 



0-4 



0-3 



19 



25 



— 



— 9-8 



Scud ; loose cumuli ; cirro-strati ; cirri. 





4 



525 



41-5 



39-7 



1-8 



0-4 



0-1 



19 



25 



— 



— 9-9 



Id.; id.; id.; id. 





5 



508 



41-8 



39-3 



2-5 



0-4 



0-1 



20 



24 



— 



.- 9-8 



Id. ; id. ; id. 





6 



502 



40-2 



380 



2-2 



0-4 



0-1 



20 



24 



— 



: — 9-5 



Id. ; id. ; id., tinged red. 





7 



498 



38-4 



36-8 



1-6 



0-2 



0-2 



19 



24 



: — 



— 70 



Id. ; id. ; id. 





8 



492 



33-0 



32-3 



0-7 



0-2 



0-1 



20 





2-0 



Clouds to E. 



D 



9 



475 



30-9 



30-4 



0-5 



01 



0-0 





19: — 



:— 1-5 



liOose scud ; cirro-strati ; woolly cirri to E. 



D 



10 



452 



32-3 



31-9 



0-4 



0-4 



0-0 



18 



— :23 



:— 7-0 



Fine sheets of cirro-cumuli. 



> 



11 



438 



310 



30-6 



0-4 



0-0 



0-0 



28 





0-3 



Streaks of thin cirro-strati ; very slight haze. 



D 



12 



415 



28-0 



28-0 





0-1 



0-0 



28 





0-3 



Patches of loose cirro-strati ; id. 



D 



13 



29-401 



27-0 



27-4 



... 



00 



0-0 



22 





0-4 



Patches of loose cirro-strati. 



1> 



14 



391 



28-7 



28-7 





0-0 



0-0 





— : 18 



: — 1-0 



At 13'^ 40" sky clouded = 9 ; cir.-cum.-str. ; corona 



. 



15 



364 



27-8 



28-2 



... 



0-1 



0-0 







30 



Woolly cirri. 





16 



329 



27-7 



28-3 





0-1 



0-0 







10-0 



Dense fog. 





17 



313 



30-0 



30-0 



... 



0-0 



0-0 



15 





10-0 



Id. ; objects invisible at 200 yards. 





18 



298 



300 



300 



... 



0-0 



00 



8 





10-0 



Id. ; id. 





19 



288 



28-9 



29-0 



... 



0-0 



00 



6 





10-0 



Id. ; id. 150. 





20 



279 



27-7 



28-0 





00 



0-0 





— 



:20 



:— 9-5 



Loose cirro-cumuli ; fog as at last hour. 





21 



276 



28-9 



29-0 



... 



0-0 



0-0 



16 



— 



:21 



:— 9-5 



Id. ; cirri ; fog at a distance. 





22 



272 



32-6 



31-8 



0-8 



01 



0-0 



10 



— 



:22 



: — 9-8 



Cirro-cumulo-strati ; id. 





23 



269 



33-5 



30-0 



3-5 



0-5 



0-3 



17 



— 



:22 



:— 7-5 



Id. ; cirro-strati ; cirri ; fog on hor. 



e 







270 



34-0 



300 



4-0 



0-6 



0-5 



14 



— 



:20 



:— 4-0 



Loose cirro-cumuli ; cirri ; cirrous haze ; no fog. 



e 



1 



268 



32-7 



29-2 



3-5 



0-5 



0-4 



10 



— 



: 14 



: 23 9-0 



Woolly cirro-cumuli ; woolly cirri ; cirro-strati ; fog 





2 



255 



37-2 



32-5 



4-7 



0-4 



0-3 



14 



— 



:26 



: — 9-8 



Id. ; cirro-strati ; cirrous haze. 



e 



3 



253 



37-0 



32-8 



4-2 



0-3 



0-4 



12 





10-0 



Nearly homogeneous cir.-str. and cir. haze ; faint halo 



e 



4 



250 



36-7 



32-6 



4-1 



0-5 



0-2 



11 



16: — 



:— 10-0 



Patch of scud ; dense cirro-strati and haze. 





5 



252 



350 



31-3 



3-7 



0-4 



0-2 



10 



— :24 



: — 10-0 



Cirro-strati ; haze ; woolly cirri. 





6 



251 



33 7 



30-7 



30 



0-2 



0-2 



12 





10-0 



Id. ; id. ; cirrous mass. 





7 



262 



330 



30-2 



2-8 



0-2 



0-2 



14 





100 



Id. ; id. 





8 



262 



32-4 



30-4 



2-0 



iO-4 



0-1 



16 





10-0 



Dense cirrous mass. 





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

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



24. The 



