HouELY Meteorological Observations, April 20 — 22, 1845. 



177 





Baro- 

 meter 

 at 32°. 



Thermometers. 



Wind. 



Clouds, 









t. 

 n 

 e. 



Dry. 



Wet. 



Diff. 



Maxi 

 fore 



Ih. 



mum 

 3 in 

 10"". 



From 



Sc: C.-s,: Ci., 



moving 



from 



Sky 

 clouded. 



Species of Clouds and Meteorological Remarks. 





h. 



in. 



o 











lbs. 



lbs. 



pt 



pt. pt. pt. 



0-10. 







Oi 



30039 



53-2 



49-6 



3-6 



0-3 



0-2 



6 









Sunday — Very clear all day ; very faint streaks of cirrus seen near 



hor. 



3 



30-039 



37-6 



36-9 



0-7 



0-6 



0-0 







0-0 



Very clear ; heavy dew. 



D 



4 



034 



36-6 



36-3 



0-3 



0-0 



0-0 



18 





0-0 



Id. ; id. 



D 



5 



028 



36-6 



36-4 



0-2 



0-0 



0-0 



18 





0-1 



Very thin cirri to SW. ; corona. 



D 



6 



025 



34-2 



33-9 



0-3 



0-0 



0-0 







0-2 



Thin cirri to SW. ; cirrous haze on E. horizon. 



D 



7 



020 



34-8 



34-6 



0-2 



0-1 



0-0 







0-4 



Cirri to E. and S. 





8 



020 



35-5 



35-0 



0-5 



0-0 



0-0 



20 





0-4 



Id. 



o 



9 



024 



39-2 



37-6 



1-6 



0-1 



0-1 



20 





0-5? 



Thinnest cirrous streaks near horizon. 



o 







017 



41-4 



39-4 



2-0 



0-1 



0-0 



22 





0-5? 



Id. 



G 



1 



008 



46-5 



43-2 



3-3 



0-1 



0-0 



24 





0-1 



Id. 



O 



2 



30-004 



52-3 



47-2 



5-1 



0-1 



00 



30 





0-2 



Id. 



O 



3 



29-999 



57-2 



49-8 



7-4 



0-1 



0-0 



14 





0-2 



Thinnest patches of scud to S. 



O 







982 



600 



51-0 



9-0 



0-1 



0-1 



8 



6 : — : — 



0-5 



Patches of scud and cumuli to S. ; cirrous streaks. 



O 



1 



969 



62-2 



53-0 



9-2 



0-2 



0-4 



4 





0-5 



Id. ; id. 



O 



2 



955 



64-3 



550 



9-3 



0-4 



0-5 



6 





0-2 



Id. ; haze on horizon. 



o 



3 



931 



64-2 



53-0 



11-2 



0-6 



0-6 



7 





0-5 



Id. ; id. 



G 



4 



927 



63-9 



52-4 



11-5 



0-8 



0-7 



7 





0-2 



Streaks of haze. 



G 



5 



920 



63-3 



51-9 



11-4 



0-5 



0-3 



9 





0-2 



Id. 



G 



6 



915 



62-9 



50-7 



12-2 



0-4 



0-5 



7 





0-5 



Id. 



G 



7 



911t 



59-5 



48-7 



10-8 



0-4 



00 



8 





0-5 



Vertebrated cirri. 



G 



8 



920 



53-7 



46-7 



7-0 



0-1 



0-0 



12 



— : — : 4 



1-0 



Woolly cirri ; hazy on horizon. 



D 



9 



9214 



49-8 



45-7 



4-1 



0-0 



0-0 







0-5 



Id. ; id. 



D 







919 



44-0 



41-6 



2-4 



0-0 



0-0 



14 





00 



Clear. 



)) 



1 



915 



40-8 



39-6 



1-2 



0-1 



0-0 



17 





0-0 



Id. 



D 



2 



916 



39-3 



38-4 



0-9 



0-0 



0-0 



17 





0-0 



Id. 



l 



3 



29-905 



37-8 



37-4 



0-4 



01 



0-0 



16 





0-1 



Thin cirrous clouds to SW. 



D 



4 



897 



36-3 



36-1 



0-2 



0-0 



0-0 



17 





0-1 



Id. 



2) 



5 



898 



34-4 



34-1 



0-3 



0-0 



0-0 



18 





0-1 



Id. 



D 



6 



897 



33-9 



33-8 



0-1 



01 



0-0 



18 





0-2 



Linear cirri on NE. horizon. 



D 



7 



889 



31-1 



31-0 



0-1 



0-1 



0-1 



22 





0-5 



Id. ; hazy. 





8 



894 



35-8 



34-6t 



1-2 



0-0 



0-0 



22 





0-5 



Id. ; id. 



G 



9 



893 



36-3 



35-9 



0-4 



0-2 



0-0 



22 





0-0 



Clear ; slightly milky to E. 



G 







892 



42-6 



40-6 



2-0 



0-0 



0-0 



6 





00 



Id. 



G 



1 



893 



46-8 



43-74 



3-1 



0-1 



0-0 



6 





0-2 



Cirri and haze on horizon. 



G 



2 



884 



53-4 



470 



6-4 



0-2 



0-3 



6 





0-1 



Cirro-strati on NE. horizon. 



G 



3 



875 



55-9 



48-3 



7-6 



0-5 



0-5 



2 





0-0 



Clear. 



G 



\0 



861 



59-4 



50-2 



9-2 



0-8 



0-4 



6 





0-0 



Milky streaks. 



G 



k 



850 



60-8 



50-4 



10-4 



0-8 



0-7 



7 





0-0 



Id. near horizon. 



G 



2 



841 



61-9 



50-4 



11-5 



1-3 



0-8 



12 





0-0 



Clear. 



G 



3 



828 



62-0 



50-7 



11-3 



1-2 



10 



10 





0-0 



Thin streaks of cirri to S. 



G 



'4 



809 



61-3 



49-9 



11-4 



0-2 



0-8 



8 





0-0 



Clear. 



G 



5 



809 



58-8 



50-3 



8-5 



1-0 



1-0 



6 





0-0 



Id. 



G 



6 



807 



56-9 



49-4t 



7-5 



1-0 



0-8 



6 





0-0 



Id. 



G 



7 



806 



55-7 



47-6 



8-1 



0-6 



0-4 



6 





01 



Thin streaks of cirri to E. 



G 



8 



811 



51-0 



46-74 



4-3 



0-3 



0-1 



5 





0-1 



Id. 





19 



813 



48-1 



43-9 



4-2 



0-1 



01 



4 





0-0 



Haze round horizon. 









811 



45-3 



42-4 



2-9 



0-1 



01 



6 





0-0 



Id. 



D 



!i 



815 



40-4 



39-4 



1-0 



0-0 



0-0 



24 





0-0 



Clear ; greenish corona, 3° diameter. 



D 



2 



812 



37-0 



36-5 



0-5 



00 



0-0 



24 





0-0 



Id. 



D 



3 



29-804 



35-4 



350 



0-4 



0-0 



0-0 



24 





0-0 



Clear ; faint corona. 



D 



4 



797 



34-2 



33-9 



0-3 



0-0 



0-0 



20 





0-0 



Id. 



D 



5 



796 



34-0 



33-8 



0-2 



0-2 



0-0 



22 





0-0 



Id. 



D 



6 



778 



33-8 



33-6 



0-2 



0-1 



0-0 



20 





0-2 



Reddish vapours. 



D 





768 



31-7 



31-6 



0-1 



0-0 



0-0 



18 





0-2 



Id.* 



D 



_8 



768 



33-6 



33-3t 



0-3 



0-0 



0-0 ' 



^0 





0-2 



Haze. 



G 



Vpril 20* n^. a Lyrae was visible till 17'' 26™ ; the sun's upper limb was above the horizon at XT'" SI". 

 ;Vpril 20* 19''. Observation made at 19'' 8"^. 



'\ipril 21<i IS'', t Thermometersremoved to the western side of the Observatory 6e/or« 18''. 21'' 21''. I Returned a/«cr 21''. 22* 6''. f Ther- 

 ineters removed to the eastern side of the Observatory before 6''. 22* 8''. 4. Returned after S^. See Introduction, p. liv. 

 See additional Meteorological Notes after the Hourly Meteorological Observations. 



MAG. AND MET. OBS. 1845. 



2y 



