358 



Daily Meteorological Observations, January 12 — 18, 1846. 







Thermometers. 



Gott. 

 Mean 



Baro- 

 meter 











Time. 



at 32°. 



Dry. 



Wet. 



DifiF. 



d. h. 



in. 



o 







o 



12 2 



29-673 



41-8 



39-6 



2-2 



4 



628 



36-3 



35-3 



1-0 



6 



576 



34-0 



33-5 



0-5 



8 



536 



30-0 



29-7 



0-3 



10 



507 



28-8 





... 



18 



29-411 



30-5 



30-0 



0-5 



20 



406 



31-8 



31-4 



0-4 



22 



403 



30-3 



30-1 



0-2 



13 



384 



33-4 



32-4 



1-0 



2 



360 



35-1 



340 



1-1 



4 



313 



351 



34-3 



0-8 



6 



281 



36-4 



35-7 



0-7 



8 



252 



37-6 



37-0 



0-6 



10 



248 



38-5 



37-7 



0-8 



18 



29-204 



35-9 



35-3 



0-6 



20 



230 



36-0 



35-6 



0-4 



22 



244 



35-7 



35-4 



0-3 



14 



266 



42-2 



40-9 



1-3 



2 



267 



44-0 



41-4 



2-6 



4 



280 



43-3 



41-3 



2-0 



6 



290 



42-3 



40-3 



2-0 



8 



311 



41-0 



39-7 



1-3 



10 



325 



42-9 



41-2 



1-7 



18 



29-304 



40-5 



39-7 



0-8 



20 



316 



40-0 



39-2 



0-8 



22 



343 



40-4 



39-5 



0-9 



15 



360 



45-1 



43-9 



1-2 



2 



364 



46-8 



45-3 



1-5 



4 



428 



44-7 



44-0 



0-7 



6 



495 



43-6 



41-3 



2-3 



8 



539 



38-0 



36-6 



1-4 



10 



592 



35-7 



34-9 



0-8 



18 



29-617 



35-8 



35-5 



0-3 



20 



621 



30-7 





... 



22 



645 



33-0 



32-6 



0-4 



16 



628 



34-6 



34-3 



0-3 



2 



586 



340 



33-9 



O-l 



4 



575 



33-2 



33-0 



0-2 



6 



560 



31-6 



31-4 



0-2 



8 



564 



30-4 



30-2 



0-2 



10 



573 



31-0 



30-8 



0-2 



18 



29-518 



330 



32-4 



0-6 



20 



531 



34-3 



33-7 



0-6 



22 



544 



37-5 



37-1 



0-4 



17 



543 



43-6 



43-3 



0-3 



2 



533 



43-9 



43-0 



0-9 



4 



535 



43-5 



42-3 



1-2 



6 



538 



43-0 



420 



1-0 



8 



545 



42-9 



42-1 



0-8 



10 



550 



42-6 



41-6 



10 



23i 



29-515 



41-4 



40-3 



1-1 



18 18 



29-197 



39-1 



37-9 



1-2 



20 



139 



39-2 37-9 1 1-3 II 



Wind. 



Maximum 





force in 



Prom 



Ih. 



10°^. 





lbs. 



lbs. 



pt. 



0-1 



0-0 



20 



0-1 



0-1 



16 



00 



0-0 



8 



0-0 



0-0 



24 



0-0 



0-0 





01 



00 



24 



0-0 



0-0 





0-0 



0-0 





0-0 



00 



10 



0-0 



00 



24 



0-0 



0-0 



6 



0-0 



0-0 



2 



0-1 



0-0 



4 



0-1 



00 



8 



0-1 



0-0 



9 



0-0 



0-0 



4 



0-0 



0-0 







0-0 



0-0 



1 



0.1 



0-0 



2 



0-1 



00 





0-1 



0-0 



4 



0-1 



00 



2 



0-7 



0-4 



12 



0-6 



0-2 



14 



0-6 



0-6 



17 



0-1 



0-0 



8 



0-4 



0-1 



17 



0-2 



0-0 



18 



0-1 



0-1 



22 



0-2 



0-1 



20 



0-1 



0-1 



16 



00 



0-0 





0-1 



0-0 



30 



0-0 



0-0 



30 



00 



0-0 



22 



00 



00 





0-0 



0-0 



20 



0-1 



0-0 



28 



0-0 



0-0 





00 



0-0 





0-0 



00 







0-1 



00 



24 



0-0 



00 



30 



0-0 



0-0 



4 



01 



0-0 



4 



0-1 



0-1 



16 



0-2 



00 



2 



0-1 



0-1 





0-4 



0-1 



6 



0-4 



0-1 



4 



0-5 



0-1 



4 



0-3 



0-2 



12 



0-4 



0-8 



11 



Clouds, 





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

 moving 



Sky 

 clouded. 



from 





pt. pt. pt. 

 20 : 20 : — 



0-10. 



10-0 



— : — : 18 



4-5 





7-0 





100 





9-5 



— :21 : — 



5-0 





9-8 



— : — : 20 



7-0 





9-8 



16: — : — 



100 





10-0 





10-0 





9-8 



12: — : — 



10-0 





9-8 





100 



15 



16 







9-8 







16 







90 



— 



• 14 



— 



10-0 



15 



— 



— 



9-8 





100 





10-0 





100 



18 : — : — 



7-0 





2-5 



16 



— 



— 



9-5 



16 



— 







10-0 



18 



— 







10-0 



— 



24 



— 



9-8 



— 



25 







5-0 





0-2 





0-5 



— : 20 : — 



9-0 





10-0 





100 





10-0 





100 





10-0 





10-0 





9-8 





10-0 





8-0 





10-0 





10-0 



11:11: — 



9-9 



11 : — : — 



10-0 





8-5 





10-0 





10-0 





10-0 



9 : — : — 



10-0 





10-0 



12: 



— : 



- 



10-0 



Species of Clouds and Meteorological Remarks. 



Scud and cirro-strati. 



Woolly and mottled cir. ; cir.-str. and cir. haze on her. 



Cirri, cirro-strati, and cirrous haze. 



Loose scud ; cirro-strati. [halo. ^ 



Woolly cir., cir.-str., and cir. haze ; portion of a lunar 



Cirro-strati and cirro-cumulo-strati ; cirrous haze. } 



Scud, cirro-strati, and cirrous haze. 



Woolly cirri ; cirro-strati ; slight fog. [miles off.f 



Fog ; cir.-str. ; cir. ; cirrous haze ; objects invisihle two 



Patches of scud, nearly as at 0" ; drops of rain. 



Homogeneous mass ; rain'^'^ 



Scotch mist ; cir.-str. ; Venus visible through the clouds. 



Cirri and cirro-strati. _ 



Masses of scud to E. ; cuTo-strati and cirrous haze. | 



Cirro-cumulo-strati and cirro-strati. \ 



Nearly homogeneous ; dense fog. 

 Loose smoky scud ; cirro-cumulo-strati ; slight fog. 

 Cirro-cumulo-strati ; cirro-strati ; haze. 



Id. ; id. ; id. 



Loose scud ; mass of cirro-stratus. 

 Scud and cirro-stratus. 



Id. 



Id. ; cirrous haze. 



Scud ; cirro-cumulo-strati ; cirrous haze. 



Scud and cirro-strati round horizon. j 



Scud ; varieties of cirro-strati ; sheets of cirri. 



Id. ; dense cirro-strati ; shower since last observation 



Id. ; id. 



Cirro-stratous scud ; wavy cirro-strati. 



Id. 

 Cirro-strati on horizon ; clear. 

 Cirri. 



Cirro-cumulo-strati. 



Dense fog ; objects invisible at 200 yards. 



Id. ; id. ; apparently blue sky above 



Fog ; objects invisible at 300 yards. 

 Id. ; id. 



Dense fog ; objects invisible at 200 yards. 



Id. ; id. 



Fog clearing off a little ; one or two bright stars visibli 

 Fog. 



Scud and cirro-cumulo-strati ; slight fog. 

 Fog ; objects invisible at 200 yards. 

 Id. ; objects invisible at 400 yards. 

 Scud ; cirro-strati. 

 Id. ; id. 



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



Dense homogeneous mass of clouds. 

 Id. 

 Id. 



Thick scud. 



Scud and cirro-strati. 

 Id. 



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. 

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



Th' 



