Extra Meteorological Observations, 1844. 



319 



ACTINOMETER. 



! kerstoun 

 an Time 



of 

 ; Reading. 



In Sun 



or 

 Shade. 



Observation. 



Begun. 



Ended. 



Change 

 in 

 60s. 



Sc. div. Sc. div. Sc. div, 



September 9, 1844. 



Effect 



of 



Sun. 



8 58 12 

 59 42 



9 42 



2 12 



3 12 



4 42 



5 42 



7 12 



8 12 



9 9 34 12 



35 42 



36 42 



38 12 



39 12 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Sun 



Shade 



Sun 



Shade 



Sun 



17-2 

 19-7 

 19-3 

 21-8 

 21-3 

 23-6 

 230 

 25-2 

 24-7 



27-6 

 29-7 

 291 

 30-7 

 301 



19-8 

 19-3 

 21-8 

 21-3 

 23-7 

 230 

 25-2 

 24-7 

 27-0 



29-7 

 29-1 

 30-7 

 301 

 30-8 



+ 2-6 

 -0-4 

 + 2-5 

 -0-5 

 + 2-4 

 -0-6 

 + 2-2 

 -0-5 

 + 2-3 



+ 2-1 

 -0-6 

 + 1-6 

 -0-6 

 + 0-7 



Sc. div. 



2-9 

 3-0 

 2-9 

 3-0 

 2-9 

 2-7 

 2-8 



2-4 

 2-2 

 1-8 



Mean 



of 

 Group, 



Sc. div. 



Sun's 

 Alti- 

 tude. 



2-89 



2-13 



13-5 



18-0 



Makerstoun 



Mean Time 



of 



First Reading. 



h. m. 



In Sun 



or 

 Shade. 



Observation. 



Begun 



Ended. 



Change 

 in 

 60». 



Sc. div. Sc. div. I Sc. div. 



Effect 



of 



Sun. 



Sc. div. 



Mean 



of 

 Group 



Sc. div. 



Sun's 

 Alti- 

 tude. 







September 9, 



1844. 







19 53 



22 



Sun 



43-0 



46-1 



+ 3-1 







54 



42 



Shade 



46-1 



45 



8 



-0-3 



3-4 





55 



42 



Sun 



45-8 



48 



9 



+ 3-1 



34 





57 



12 



Shade 



490 



48 



7 



-0-3 



3-4 





58 



12 



Sun 



48-7 



51 



8 



+ 3-1 



3-6 



3-56 



59 



42 



Shade 



51-8 



51 



1 



-0-7 



3-8 





20 



42 



Sun 



511 



54 



3 



+ 3-2 



3-8 





2 



12 



Shade 



54-3 



53 



9 



-0-4 



35 





3 



12 



Sun 



53-9 



56 



9 



+ 3-0 







22 15 



12 



Sun 



46-8 



51 



7 



+ 4-9 







16 



42 



Shade 



51-2 



49 



8 



-1-4 



5-9 



i 



17 



42 



Sun 



49-8 



53 



9 



+ 4-1 



5-6 





19 



12 



Shade 



53-7 



52 



1 



-1-6 



60 





20 



12 



Sun 



52-1 



56 



8 



+ 4-7 



5-9 



5-69 



21 



42 



Shade 



56-7 



55 



8 



-0-9 



5-6 





22 



42 



Sun 



55-8 



60 



4 



+ 4-6 



5-3 





24 



12 



Shade 



60-2 



59 



6 



-0-6 



5-5 





25 



12 



Sun 



59-6 



64 



8 



+ 5-2 







20-9 



35-8 



pt. 9<* 18 h 51 m . A few streaks of cirro-strati to S. ; sky rather milky to E. 19 h 5 m . Patches of scud forming to W. 

 pt. 9 d 19 h 34 m . Much scud forming to W., moving from about W. ; clear near the Sun. 39 m . Scud approaching the Sun; observa- 

 bad ; dry thermometer 52°-8 ; wet thermometer 49 o, 0. 

 !jpt. 9 d 19 h 53™. The scud has completely passed over the Sun, or has evaporated ; patches on N. and S. horizon. 58 m . Dry thermo- 

 m|;r 53°-3 ; wet thermometer 49°'2. 



pt. 9 d 22 h 15 m . Scud around but not near the Sun. 20 m . Dry thermometer 57°7 ; wet thermometer 51°-2. 22™. Patches of scud 

 ing near the Sun. 23 m . A small patch very near the Sun, and dissipating. 26 m . Scud within 3° of the San. This cannot be consi- 

 d a very good set of observations. 



