Hourly Meteorological Observations, December 11 — 14, 1845. 



265 



Baro- 

 meter 

 at 32°. 



30-058 

 081 

 085 

 108 

 127 

 155 

 174 

 184 

 203 

 215 

 219 

 236 

 251 

 252 

 261 

 270 

 272 

 273 

 275 

 278 

 284 

 278 



30273 

 261 

 257 

 238 

 229 

 229 

 214 

 207 

 210 

 213 

 208 

 199 

 184 

 173 

 161 

 152 

 160 

 168 

 146 

 155 

 141 

 142 

 128 



30130 



29-809 



29-250 

 223 

 234 

 252 

 263 

 280 

 287 

 301 



Thermometers. 



Dry. 



37-1 

 37- 

 37- 

 37- 

 38- 

 37-1 

 36- 

 37- 

 38- 

 39- 

 39- 

 39- 

 37- 

 36- 

 35- 

 33- 

 31- 

 31- 

 31- 

 27- 

 26- 

 25- 



24-i 

 25- 

 24- 

 25- 

 22- 

 24- 

 24- 

 25- 

 25- 

 29- 

 33- 

 34- 

 36- 

 35- 

 36- 

 35- 

 33- 

 33- 

 32- 

 31- 

 28- 

 26- 

 26-' 

 25- 



40-! 



47- 

 48- 

 48- 

 46- 

 44- 

 42- 

 42- 

 41- 



Wet. 



^0 



35- 



'■2 



34- 



'■2 



34- 



'■5 



34- 



i-0 



35- 



'•0 



34- 



>-3 



34- 



•0 



34- 



-0 



35- 



»-0 



36- 



•2 



36- 



■0 



36- 



•3 



35- 



-5 



34-' 



-4 



33- 



-3 



32- 



-7 



SO- 



-2 



SO- 



•5 



30-. 



-6 



27-( 



•7 



26-( 



■3 



25-i 



-6 



25-( 



-5 



25-. 



-5 



24-. 



•5 



25-( 



•8 



22-i 



-3 



23- 



•4 



24- 



-2 



24- 



-0 



24-* 



•9 



29- 



■4 



32-( 



-4 



32-' 



•0 



34- 



-3 



34-. 



-4 



34-' 



-2 



33- 



-3 



32- 



•7 



32-' 



-1 



32- 



•0 



30- 



•1 



28- 



•9 



26- 



-9 



26-' 



-2 



24- 



•9 



40- 



•2 



46-( 



i-2 



46- 



i-0 



45- 



)-4 



43- 



[■7 



41- 



!-7 



39- 



J-8 



38- 



L-0 



37- 



Diff. 



2-0 

 3-0 

 2-9 

 2-8 

 30 

 2-4 

 2-1 

 2-4 

 2-4 

 2-7 

 2-6 

 2-7 

 2-3 

 21 

 1-9 

 1-3 

 1-0 

 1-0 

 1-3 

 0-6 



0-5 



0-7 

 0-3 

 0-4 

 0-3 

 0-6 

 1-4 

 20 

 1-5 

 M 

 1-7 

 1-4 

 10 

 1-0 



0-4 



0-3 

 0-2 

 0-3 



0-9 



1-2 

 1-5 

 30 

 3-4 

 3-7 

 3-7 

 4-1 

 3-3 



Wind. 



Maximum 





force in 



From 



l". 



10n>. 





Iba. 



lbs. 



pt. 



0-] 



0-6 



29 



05 



0-4 



29 



0-7 



0-8 



30 



0-9 



0-6 



30 



1-6 



0-5 



29 



1-0 



0-7 



29 



0-6 



0-3 



30 



0-5 



0-2 



29 



0-5 



0-5 



29 



0-4 



0-2 



29 



0-3 



0-1 



28 



0-2 



0-2 



29 



0-2 



0-1 



30 



01 



0-1 



29 



01 



0-0 



28 



01 



01 



26 



0-1 



0-1 



22 



0-1 



0-1 



20 



01 



0-1 



12 



00 



0-1 



16 



00 



00 



18 



0-0 



00 



18 



0-0 



00 



20 



00 



0-0 



20 



0-0 



0-0 



18 



0-0 



00 



18 



0-0 



0-0 



18 



0-0 



00 



18 



0-0 



0-0 



18 



0-0 



00 



18 



00 



0-0 



16 



0-0 



0-0 



18 



0-0 



0-0 



20 



01 



0-1 



21 



00 



0-0 



6 



00 



0-0 



20 



0-1 



0-1 



20 



0-1 



0-0 



20 



0-0 



0-0 



18 



0-1 



00 





0-0 



0-0 





0-0 



0-0 



22 



0-0 



0-0 



22 



0-0 



0-0 



22 



0-0 



00 



22 



0-0 



00 



16 



0-6 



0-6 



22 



5-8 



1-9 



20 



1-5 



0-6 



19 



2-3 



1-1 



24 



1-6 



1-6 



23 



2-1 



1-6 



25 



30 



1-0 



24 



2-7 



2-0 



24 



21 



0-8 



24 



Clouds, 





Sc.:C.-B.:Ci., 



Sky 



moving 



clouded. 



from 





pt. pt. pt. 



0—10. 





20 





3-0 





30 





60 





4-0 





7-0 



4 



— 



30 



5-0? 







— 



31 



8-0 



1 



— 



— 



9-5 







31 



— 



9-8 



2 



— 



— 



9-5 



2 











7-0 





2-0 





20 





0-8 





10 





0-2 





0-2 





0-1 



- 



0-1 





0-0 





0-0 





0-0 





0-2 





00 





00 





10 





10 





1-0 





7-0 





4-0 



— 



28 



— 



9-5 







:28 



— 



9-5 



— " 



— 



30 



7-0 



— 



28 



— 



90 





30 





10 





20 



— : : — 



9-5 





9-5 



— : 1 : — 



4-0 





0-8 





0-2 





00 





00 





0-2 



21 : — : — 







10-0 





100 



26 



— 







100 



26 



— 



— 



100 



27 



— 







10-0 



27 











9-8 





7-0 







1 



6-0 



Species of Clouds and Meteorological Remarks. 



Cirro-strati, cirri, and cirrous haze ; small lunar cor. ]) 



As before ; lunar hale. ]) 



Id. ; id. > 



Thick cirrous haze ; lunar halo. ) 

 Cirro-strati ; thin cirrous haze over the sky. I 



Cir.-str. and cir. haze, slightly tinged with red to SE. 

 Scud on horizon ; cirri and thin cirro-strati. 



Id. ; id. 



Scud ; cirro-strati, cirri, and cirrous haze. 

 As before ; portion of a solar halo. 

 Loose cum. and scud to E. ; cirro-strati and cir. haze. ! 

 Id. ; cirro-strati and cirri. © 



Cum.-str. and cir.-str. on E. and S.hor.; patches of cirri. O 

 Large cumulo-strati on E. horizon ; patches of cirri. 



Id. ; slight haze. ]) 



Cirri and cirrous haze to E. ]) 



Id. ]) 



Id. })^ 



Cirrous haze on horizon. ]) '\ 



Id. _ _ j; 



Rather hazy on E. horizon ; faint corona. ]) ■ 



Id. ; very faint corona. j) ' 



\ 



Rather hazy on E. horizon ; very faint corona. }) • 



Cirri ? to E. ; very faint corona. ]) 

 Very clear ; thick hoar-frost ; very faint corona. 



Id. ; id. ]) 



•Sheet of thin cirrus to W. ; id. ]) 



Thin cirri, radiating from NW. ; id. ]) 



As before ; part of a lunar halo. ]) 



Cirro-cumulo-strati, cirro-strati, and cirri. J- 

 Cirro- strati ; cirri. 

 Id. ; id. 



Id. ; id. % 



Woolly and mottled cirri ; cirro-strati. © 

 Cirro-stratous scud ; linear cirri. 



Cirro-cumulo-strati, cirrc-strati, and cirri. © 



Cirro-strati and cirri round horizon. © 

 Cirro-strati ; clouds tinged red. 

 Cirro-stratous scud ; cirri and cirrous haze. 



Id. ; cirro-cumulo-stratus. 



Cirro-cumuli. \ 



Id. ; cirrous streaks. j) 



Patches of cirri. ]) 



Very clear ; milky light (?) to N. ^ 



Id. ]) 



Id.; streaks of cloud to NW. ]) 



Loose scud ; dense homogeneous cirro-stratus. 



Scud and cirro-strati ; rain^ 

 Id. ; rain" '5 



Scud ; dense mass of cirro-stratus. ) 

 Id. ; id. j 



Id. ; id. > j 



Id. ; cir. -cum.-str. rad. from WNW.; cir.-str.; lun.cor. j- 1 



Cirro-cumulo-strati; cirro-strati. ^" 



Woolly cirri ; cirro-strati. ^ \ 



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

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

 Dec. 13<i 6''. Observation made at Gb 6". 



24. The 



MAG. AND MET. OBS. 1845. 



3x 



