268 



Hourly Meteorological Observations, Decejuber 19 — 22, 1845. 



Gbtt. 

 Mean 

 Time. 



Baro- 

 meter 

 at 32°. 



Thermometers. 



Wind. 



Clouds 



>, 



Sky 

 clouded. 





1 



Dry. 



Wet. 



Diff. 



Maxi 

 fore 

 lb. 



mum 

 e in 



10-". 



From 



Sc. : C.-s. : Ci., 



moving 



from 



Species of Clouds and Meteorological Remarks. 



d. h. 

 19 13 



in. 



28-292 



33-5 



32-8 



0-7 



Its. 

 0-9 



lbs. 



0-0 



pt. 

 22 



pt. pt. pt. 



0— 10. 



30 



Scud and cirro-stratus. j 



14 



287 



350 



33-9 



1-1 



00 



0-0 



18 





9-7 



Id. 



15 



282 



33-4 



32-7 



0-7 



0-1 



01 



18 





3-0 



Id. J 



16 



283 



35-0 



34-0 



1-0 



0-1 



0-0 



24 





3-0 



Scud ; , cirro-curaulo-strati. | , 



17 



298 



34-3 



33-4 



0-9 



0-1 



0-0 



8 





9-8 



Id. 



id. ^ 



18 



319 



33-7 



33-1 



0-6 



0-0 



0-0 



16 





10-0 



Id. 



id. 1 



19 



356 



34-0 



33-4 



0-6 



0-0 



0-0 



22 





10-0 



Id. 



id. 



20 



393 



35-4 



34-1 



1-3 



0-1 



0-1 



30 





9-5 



Id. 



id. ; faint corona. ^ J 

 cirro-strati. T ; 



21 



400 



36-0 



34-4 



1-6 



0-3 



0-3 



31 







— 



— 



10-0 



Id. 



22 



469 



35-9 



33-9 



2-0 



0-5 



0-3 



28 







— 



— 



9-9 



Cirro-stratous scud ; cirro-strati ; clouds broken. 



23 



502 



35-2 



34-6 



0-6 



0-7 



0-6 



28 



1 



— 



— 



9-0 



Id. ; id. ; woolly cirri to W. 



20 



531 



36-6 



34-4 



2-2 



0-6 



0-3 



28 







2 



— 



9-5 



Id. ; woolly cirro-cumuli. 



1 



563 



37-8 



35-3 



2-5 



0-4 



0-4 



28 



1 



— 







9-9 



Scud. ; cirro-strati. 



2 



586 



38-4 



35-8 



2-6 



1-1 



1-1 



31 



— 



1 



— 



7-5 



Loose cirro-strati ; cirro-strati ; woolly cirri. Q 



3 



631 



38-7 



36-2 



2-5 



1-1 



1-0 



31 







2 



2 



6-0 



Loose and cirro-stratous scud ; woolly cirri. f 



4 



681 



39-2 



36-3 



2-9 



2-0 



0-3 



30 



1 



— 





9-8 



Id. 



5 



722 



39-4 



36-3 



31 



1-5 



1-1 



31 







— 



— 



8-0 



Cirro-strati and cirro-cumulo-strati. 



6 



770 



38-3 



35-5 



2-8 



1-5 



0-6 



28 





1-5 



Scud and cirro-strati. 



7 



811 



35-3 



34-9 



0-4 



0-9 



0-7 



30 





10-0 



Rain. _^^ 



8 



854 



36-2 



35-3 



0-9 



1-1 



0-8 



29 





10-0 



m 



9 



899 



39-1 



371 



2-0 



2-8 



2-9 



31 





10-0 I 



Dark ; drops of rain. ^^M 



10 



28-951 



39-3 



36-7 



2-6 



3-8 



4-3 



30 





10-0 



■ 



11 



29-010 



38-2 



35-7 



2-5 



4-2 



4-0 



31 





10-0 



■ 



12 



072 



38-8 



36-4 



2-4 



4-2 



2-2 



30 





10-0 



^ 



23i 

 21 3i 



29-514 

 565 



33-7 

 32-7 



29-3 



3-4 



8-6 



0-8 



30 



1:-:- 



3-0 



Masses of scud and loose cum.; a slight sprinkling of dry, powiieryl 



isnow ; Cheviot is quite white. 



13 



29-439 



34-0 



31-8 



2-2 



2-3 



0-4 



18 





10-0 



Cirro-stratus ; stars dimly visible in zenith. 



14 



387 



34-9 



32-7 



22 



0-6 



0-9 



19 





10-0 



Id. 



15 



330 



34-3 



33-2 



1-1 



I-O 



1-5 



19 





10-0 



Id. ? slight fall of snow since last hour. 



16 



253 



35-1 



33-8 



1-3 



2-2 



1-1 



19 





10-0 



Id. ? drops of rain. 



17 



147 



35-5 



34-3 



1-2 



2-3 



2-8 



20 





10-0 



Id. ? rain«-' 



18 



29-028 



36-5 



350 



1-5 



4-8 



3-8 



20 





10-0 



Scud ; cirro-stratus ? rain"- 



19 



28-936 



37-5 



36-0 



1-5 



5-2 



3-3 



18 





10-0 



Id. ; id. ; id. 



20 



898 



38-3 



37-1 



1-2 



3-8 



1-7 



19 





100 



Id. 



21 



832 



39-2 



38-] 



1-1 



2-4 



0-6 



21 



25 



: — 



— 



10-0 



Id. 



22 



793 



44-2 



41-3 



2-9 



1-5 



1-2 



22 



25 



: — 



— 



9-5 



Id. ; sheets of cirro-strati. 



23 



771 



44-7 



41-3 



3-4 



2-5 



2-6 



25 



26 



: — 



. 



9-5 



Id. ; id. ; mass of cirro-stratus. 



22 



713 



43-3 



39-7 



3-6 



4-5 



7-8 



26 







: — 



•28 



30 



Woolly cirri ; cirro-strati. ( 



1 



718 



42-5 



39-4 



3-1 



3-9 



1-7 



27 





1-5 



Cumulo-strati and cirro-strati round horizon. ( 



2 



719 



42-7 



392 



3-5 



2-8 



2-7 



25 





1-5 



Id. ( 



3 



685 



41-8 



38-2 



3-6 



2-6 



2-3 



23 



25 : 28 : — 



3-0 



Scud moving rapidly ; loose cirro-strati. 



4 



668 



40-7 



37-4 



3-3 



2-3 



0-6 



26 



— : 28 : — 



6-5 



Cirro-stratous scud. 



5 



655 



38-5 



35-6 



2-9 



2-8 



1-3 



23 





1-0 



Scud and cirro-strati on horizon. 



6 



637 



38-3 



35-2 



3-1 



1-8 



1-5 



24 





0-8 



Cirro-strati on horizon. 



7 



617 



38-9 



35-5 



3-4 



2-7 



1-8 



23 





5-0 



Thin cirro-stratus ; stars seen dimly through most of it 



8 



610 



37-1 



34-3 



2-8 



2-0 



0-9 



24 





0-0 



Clear. 



9 



590 



36-8 



34-2 



2-6 



1-0 



0-8 



25 





00 



Id. 



10 



568 



37-2 



34-1 



3-1 



2-4 



1-9 



25 





0-0 



Id. 



U 



564 



37-3 



34-4 



2-9 



3-2 



21 



26 





0-5 



Scud en E. horizon. 



12 



570 



37-2 



34-3 



2-9 



3-1 



1-6 



26 





03 



Id. 



13 



28-601 



37-3 



34-1 



3-2 



2-8 



2-9 



27 





2-0 



Scud. 



14 



639 



35-2 



34-1 



1-1 



4-1 



1-0 



28 





3-0 



Thin scud ; slight showers lately. 



15 



661 



35-8 



34-4 



1-4 



1-8 



1-1 



27 





1 10-0 



Rain»-5 



16 



689 



37-8 



35-7 



2-1 



2-7 



2-5 



28 





1 10-0 



Scud. 



17 



754 



39-3 



36-3 



3-0 



4-1 



2-6 



28 





9-9 



Thick scud. ■ 



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

 motions of the three strata of clouds, 8c. (scud), C.-s. (cirrostratus), and Ci. (cirrus), are indicated in a similar manner. 



