Hourly Meteorological Observations, March 3 — 5, 1845. 



159 







Thermometers. 



Wind 















Baro- 

 meter 

 at 32°. 









Clouds, 



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



moving 



from 



Sky 

 clouded. 



Species of Clouds and Meteorological Keraarlis. 





1 



Dry. 



Wet. 



DiflF. 



Maximum 

 force in 



From 













11^. 



lO-" 















in. 



o 



o 



o 



lbs. 



lbs. 



pt. 



pt. pt. pt. 



0—10. 







5 



29-729 



35-5 



33-3 



2-2 



0-1 



0-1 



16 





10-0 



Scud; dense mass of cir.-str. ; a few fine particles of snow. | 



6 



756 



34-3 



32-0 



2-3 



0-2 



0-1 



14 





100 



Id. ; id. ; snow**'- 





7 



764 



33-5 



31-8 



1-7 



0-2 



0-1 



16 





10-0 



Id. ; id. ; id. 





8 



772 



33-2 



31-5 



1-7 



0-2 



0-1 



18 





10-0 



Id. ; id. 





9 



791 



32-8 



31-3 



1-5 



0-2 



0-1 



18 





10-0 



Id. ; id. ; dark. 









791 



32-5 



31-0 



1-5 



0-1 



0-1 







100 



Id. ; id. ; id. 





1 



791 



31-6 



30-3 



1-3 



0-1 



0-1 



14 





7.0 



Cirro-strati ; cirri ; cirrous haze ; sky milky. 





2 



795 



31-6 



30-3 



1-3 



0-2 



0-0 



20 





10.0 



Id.? 





3 



29-795 



31-7 



30-5 



1-2 



01 



0-1 



18 





10-0 



Cirro-strati ? 





4 



793 



31-1 



30-3 



0-8 



0-1 



00 



18 





100 



Id.? 





5 



779 



30-8 



30-2 



0-6 



0-1 



0-0 



24 





10.0 



Id. 



cirri ; cirrous haze ; stars seen. 





6 



775 



30-7 



30-2 



0-5 



0-0 



00 



14 





10.0 



Id. 



id. ; id. 





7 



769 



30-9 



30-2 



0-7 



01 



0-0 



20 





100 



Id. 



id. ; id. 





8 



769 



31-7 



30-1 



1-6 



0-1 



0-1 



16 





•10.0 



Id. 



broken to E. 





9 



773 



31-5 



30-2 



1-3 



0-1 



0-1 



14 





100 



Id. 



id. ; flakes of snow. 









775 



32-0 



30-4 



1-6 



0-1 



0-1 



12 





9-9 



Id. 



dense cirrous mass ; sky to S. ; haze to N. j 



1 



771 



34-7 



320 



2-7 



0-1 



0-1 



14 





9-9 



Cirro-strati and dense cirrous haze. 



e 



2 



780 



35-2 



32-2 



3-0 



0-4 



0-3 



14 





9.9 



Patches of scud ; cirro-strati and dense cirrous haze. 



• 



3 



784 



34-6 



32-3 



2-3 



0-2 



0-1 



28 



20 : — : — 



100 



Loose scud; cir.-str. ; cir. mass ; haze ; flakes of snow. 



• 







788 



33-8 



32-4 



1-4 



0-2 



0-2 



28 





10-0 



Cirro-strati ; dense cirri ; haze ; snow ^ 





1 



789 



34-7 



331 



1-6 



0-1 



0-1 



23 



— : 12: — 



10-0 



Id. 



id. ; id. ; snow "'^ 





2 



786 



34-5 



32-7 



1-8 



0-1 



0-1 



28 





10-0 



Id. 



id. 





3 



778 



34-0 



32-3 



1-7 



0-2 



0-0 



4 





10-0 



Id. 



id. ; snow ^ 





4 



771 



34-4 



32-4 



2-0 



0-1 



0-1 



18 



12 



— 



: — 



9-8 



Scud ; cumuli ; cumulo-strati ; cirro-strati ; snow "'^ \ 



5 



779 



33-5 



31-8 



1-7 



0-2 



0-1 



8 



10 



: 4 



: — 



9-8 



Id. ; cirro-stratous scud ; cumulo-strati to E. 





6 



793 



32-0 



30-0 



2-0 



0-4 



0-3 



7 



— 



6 



: 



7-5 



Cirro-cumulous scud. 





7 



795 



30-7 



28-4 



2-3 



0-3 



01 



6 





1-5 



Id., radiating from NNW. 





8 



806 



29-7 



28-3 



1-4 



0-2 



0-2 



7 





05 



Cirro-stratous scud on E. horizon. 





9 



813 



27-3 



26-4 



0-9 



0-0 



0-0 



5 





0-8 



id. ; zodiacal light visible. | 







821 



25-5 



25-9 





0-0 



0-0 







5.0 



Cirro-cumulous scud. 





1 



819 



27-3 



27-2 



0-1 



0-0 



0-0 







9.0 



Loose scud ; cirro-strati ; flakes of snow. 





2 



826 



29-9 



29-3 



0-6 



00 



0-0 



2 





9-8 



Id. ; id. 





3 



29-829 



29-7 



29-1 



0-6 



00 



0-0 







10-0 



Snow "'5 





4 



829 



29-1 



28-9 



0-2 



00 



0-0 



2 





10-0 



Id. 





5 



830 



26-5 



26-5 



... 



0-0 



0-0 









6-5 



Stars dim. 





6 



833 



22-8 



23-0 



... 



0-0 



0-0 



26 





4-0 



Clouds near horizon. 





7 



839 



23-0 



23-0 





0-0 



0-0 



16 





9-8 



Snow 0-5 





8 



857 



24-9 



24-7 



0-2 



0-0 



0.0 



30 





10-0 



Snow^ 





9 



884 



26-3 



26-1 



0-2 



00 



0.0 







100 



Snow 3 









901 



27-7 



27-4 



0-3 



0-0 



0-0 



6 





100 



Cirro-cumuli ; snow ^'^ « 





1 



917 



28-2 



27-8 



0-4 



0-0 



0.1 



4 



4 



— 



— 



9-5 



Scud and cirro-cumuli. 



G 



2 



934 



30-3 



29-8 



0-5 



0-0 



0-1 



6 



4 



— 



— 



3-0 



Scud ; cumuli ; cirro-strati on horizon ; snow "''' 





3 



952 



30-0 



28-4 



1-6 



0-2 



0.2 



5 



— 



6 



— 



4.0 



Cirro-cumulous scud ; snow ^'^ 



G 







969 



31-8 



30-2 



1-6 



0-2 



0.2 



7 



— 



7 



— 



90 



Id. ; cirrous haze. 



G 



1 



979 



32-4 



29-3 



3-1 



0-9 



0.2 



8 



— 



7 



— 



9-0 



Scud ; cirro-cumuli ; fine cumuli to SW. and NE. 





2 



980 



33-2 



30-7 



2-5 



0-5 



0.4 



6 



6 



— 



— 



7-0 



Id. and loose cumuli ; id. on horizon. 



9 



3 



985 



32-7 



29-4 



3-3 



1-0 



0.6 



10 



4 



— 



— 



4.5 



Loose cumuli and nimbi ; snowing around. 



O 



4 



29-995 



33-4 



29-7 



3-7 



0-5 



0.5 



9 



6 



— 



— 



4-0 



Scud ; cumuli and nimbi ; flakes of snow. 



O 



5 



30-008 



32-9 



29-3 



3-6 



0-6 



0.4 



7 





3.5 



Id. ; id. ; snowing around. 



o 



6 



017 



30-8 



26-8 



4-0 



0-4 



0.4 



5 



4 : — : — 



2.5 



Id. ; id. 





7 



033 



27-1 



25-3 



1-8 



0-4 



0.1 



8 





0.5 



Cumulo-strati and haze on horizon. 





8 



054 



26-4 



24-6 



1-8 



0-1 



0.0 



4 





0.5 



Clouds near horizon. 





9 



066 



24-0 



23-3 



0-7 



0-0 



0-0 









2.0 



Thin clouds. 









078 



27-6 



25-9 



1-7 



0-0 



0.0 



2 





10.0 



Snow 0-^ 





1 



091 



27-6 



26-7 



0-9 



0-1 



0-1 



8 





9.9 



Snow^ 





2 



097 



23-7 



23-7 



... 



01 



0-0 



12 





2-0 



Clouds to E. 





he 



direction ( 



)f the wind is indicat 



ed by the n 



umber of the point of the con 



ipass, reckoning N. = 0, E. = 8, S. = 16, W. = 24. Th 





iot 



1 of the thr 



ee strata of clouds, S 



3. (scud), C- 



s. (cirro-stratus), and Ci. (cirr 



as), are indicated in a similar manner. 





^ai 



rch 4-1 3h. 



The snow has meltec 



. on reachin 



g the ground, tliroughout the 



day. 





lat 



ch 4'! C. 



Observation made at 



Ci 20". 









