



Hourly Meteoeological Observations, December 1 — 3, 1845. 261 





Baro- 

 meter 

 at 32°. 



Thermometers. 



Wind. 



Clouds 



, 







Dry. 



Wet. 



Diff. 



Maximum 

 force in 



Prom 



Sc.:C.-s.: 



movin 



from 



Ci., Sky 

 J clouded. 



Species of Clouds and Meteorological Remarks. 













Ih. 



10". 













M 



in. 



= 



o 







lbs. 



lbs. 



pt. 



pt. pt. 



pt. 0-10. 







29-355 



37-7 



36-2 



1-5 



1-1 



1-3 



19 





4-0 



Scud to N. ; W 5"", a flash of ligMning. 





408 



35-9 



34-8 



11 



3-6 



0-3 



19 





100 



Rain'''^ ; a slight shower of hail lately. 





29415 



36-5 



35-5 



1-0 



0-7 



1-6 



18 





2-0 



Scud. 





393 



36-8 



35-7 



1-1 



1-4 



1-4 



18 





0-3 



Streaks of cloud to NE. 





414 



36-4 



35-1 



1-3 



1-4 



0-6 



18 





10 



Thin clouds near the horizon. 





; 394 



37-9 



36-3 



1-6 



M 



0-5 



19 





8-0 



Thin clouds and haze over the sky. 





377 



38-0 



36-3 



1-7 



08 



0-5 



18 





1-5 



Scud on horizon. 





367 



36-1 



34-8 



1-3 



0-7 



0-5 



19 





1-0 



Id. 





373 



37-6 



36-2 



1-4 



0-8 



0-4 



19 





3-0 



Cirro-stratous scud ? drops of fine rain. 





383 



38-6 



36-9 



1-7 



0-8 



0-4 



19 



24 



— 



— 9-2 



Scud. 





405 



37-5 



35-4 



2-1 



0-4 



0-1 



19 



23 



— 



— 5-0 



Id. ; scud on Cheviot, clouds tinged red. 





412 



36-3 



34-9 



1-4 



0-4 



0-1 



19 



— 



22 



— 2-5 



Cirro-stratous scud ; scud on Cheviot. Q 





405 

 404 



39-2 

 40-6 



370 



37-7 



2-2 

 29 



2-5 

 1-8 



1-0 

 1-8 



20 

 20 



21 



22 



— 6-5 

 24 7-0 



^^- ' i*^- [part of a halo. G 

 Scud ; woolly, mottled, and linear cirri and cir.-str., rad. from W. ; 





378 



41-4 



38-6 



2-8 



2-3 



1-1 



20 



— 



— 



23 9-5 



Thick woolly cirri ; cirro-strati ; scud on horizon. O 





342 



41-5 



38-6 



2-9 



1-4 



0-8 



18 



— 



— 



22 90 



Thickening woolly cirri and cirro-strati ; scud v n hor. ; solar halo. Q 





291 



41-2 



37-7 



3-5 



1-3 



0-7 



19 





9-8 



Dense mass of cir.-str. ; loose scud and cir.-str. on hor. 





258 



38-6 



37-2 



1-4 



1-1 



0-1 



19 





9-8 



As before. 





222 



38-0 



36-5 



1-5 



0-3 



0-6 



18 



20: — 



— 100 



Scud; masses of cirro-strati; cirrous mass. 





193 



37-7 



36-3 



1-4 



0-6 



0-2 



18 





10-0 



Scud and cirro-stratus. 





152 



36-5 



35-5 



1-0 



0-3 



0-3 



17 





3-0 



Scud. 





114 



37-0 



36-1 



0-9 



0-2 



0-1 



17 





7-0 



Id. 





094 



38-4 



37-2 



1-2 



0-3 



0-1 



18 





10-0 



RainO-5 





076 



37-0 



36-2 



0-8 



0-3 



0-0 



18 





100 



Scud and cirro-stratus. 





033 



35-9 



35-3 



0-6 



0-0 



0-0 



22 





6-0 



Id. 





29-011 



36-4 



35-6 



0-8 



0-0 



0-0 



18 





4-0 



Id. ; haze. 





28-999 



36-5 



35-7 



0-8 



0-1 



0-3 



18 





9-8 



Scud and cirro-stratus ; rain"'^ 





29-001 



36-7 



35-4 



1-3 



0-5 



0-3 



20 





70 



Id. 





28-990 



35-2 



34-2 



1-0 



1-1 



0-3 



20 





3-5 



Id. 





983 



35-2 



34-3 



0-9 



0-4 



1-1 



19 





8-0 



Id. ; rainO'5 





963 



34-6 



33-1 



1-5 



0-8 



0-5 



20 





90 



Id. ; drops of rain. 





970 



34-0 



32-2 



1-8 



0-7 



0-4 



22 





2-0 



Id. on horizon. 





971 



33-2 



31-8 



1-4 



0-6 



0-3 



21 





1-0 



Masses of scud and thin cirro-stratus. 





974 



33-3 



32-1 



1-2 



0-3 



0-1 



23 





70 



Scud and cirro-strati. [strati and cirri. 





995 



31-3 



30-5 



0-8 



0-3 



0-0 



21 



24: — 



— 7-0 



Scud, cumuli, and cumulo-strati on hor. ; woolly cirro- 





982 



34-0 



32-8 



1-2 



0-3 



0-1 



16 





9-5 



Woolly cirro-strati and cirri ; cumuli on NE. horizon. © 



\ 



983 



35-2 



33-8 



1-4 



0-3 



0-4 



18 



— 



22 



22 7-0 



Id. ; id. O 





28-993 



35-4 



33-5 



1-9 



0-4 



0-1 



20 



25 



. — 



— 5-0 



Loose scud ; cirro-strati and cirri ; cumuli to NE. Q 





29-000 



36-5 



34-3 



2-2 



0-3 



0-0 



20 



24 



— 



— 8-0 



Scud ; cumulo-strati to NE. ; cirro-strati. G 





000 



37-9 



35-7 



2-2 



0-4 



0-3 



20 



23 



:20 



.— 6-0 



Id. ; cirro-strati. 





003 



36-6 



34-6 



2-0 



0-6 



0-2 



20 



24 



— 



.— 8-0 



Id. ; id. ; cum. -str. on NE. hor. ; snow on Cheviot. 





015 



33-6 



32-4 



1-2 



0-3 



0-0 



8 





7-0 



Cirro-strati ; cumulo-strati on NE. horizon. 





050 



34-7 



32-7 



2-0 



0-3 



0-2 



23 



24: — 



— 5-0 



Scud. ]) 





069 



34-1 



32-1 



2-0 



0-2 



0-1 



23 





0-5 



Cirro-stratous scud to S. ; double auroral arch. ]) 





091 



32-7 



31-0 



1-7 



0-5 



0-2 



22 





0-3 



Id. ; aurora. J) 





121 



33-1 



31-3 



1-8 



0-5 



0-2 



22 





0-2 



Id. ; black patch of cloud below auroral arch to NNE. 



1 



149 



34-0 



31-4 



2-6 



0-6 



1-2 



22 





0-1 



Clear ; aurora. See notes to Extra Magnetical Obs. of this date. 



] 



177 



32-0 



30-3 



1-7 



0-2 



0-1 



22 





0-0 





] 



200 



30-7 



29-1 



1-6 



0-1 



0-1 



24 





0-0 



Flash of lightning on SSW. horizon ; auroral arch stUl bright. 



1 



216 



31-6 



29-6 



2-0 



0-2 



1-1 



22 





0-0 





li 



29-235 



31-6 



29-6 



2-0 



0-6 



0-3 



23 





0-0 



Bright auroral arch about 10° altitude ; streamers at 50° altitude. 



\ 



250 



30-3 



28-6 



1-7 



0-2 



0-1 



23 





0-0 



Very clear ; arch about 8° altitude internally, 8° broad. 



] 



268 



29-9 



28-4 



1-5 



0-2 



0-1 



21 





00 



Id. ; rapidly pulsating arch. 



J 



286 



28-6 



27-4 



1-2 



0-3 



0-1 



21 





0-5 



Masses of cirro-strati to NNW., radiating from that point ; aurora. 



11 298 



29-3 



27-9 



1-4 



0-3 



0-1 



20 





0-0 



Faint, nearly horn. aurora within 10° of hor.; rows ofpulsatlng brushes. 





lie direction of the 



wind is 



indicated b 



y the 



number of the p 



oint of the co 



mpass, reckoning N. = 0, E. = 8, S. = 16, W. = 24. The 



m(l 



6ns of the three str 



ita of c 



ouds, Sc. (sc 



ud), C 



'.-s. (cirro-stratu 



s), and Ci. fcii 



-rus), are indicated in a similar manner. 



- 



JC. 2* 21>'. Observ 



ation re 



ade at 2V^ 1 



0". 









MAS. AND MET. OBS. 1845. 



3u 



