Extra Meteorological Observations, 1847. 



419 



ACTINOMETER. 



Makerstoun 

 ' Mean Time 



of 

 i'irst Reading. 



In Sun 



or 

 Shade. 



Observation. 



Begun. 



3 3 



3 4 



3 6 



26 



12 



Sun 



27 



42 



Shade 



29 



12 



Sun 



30 



42 



Shade 



32 



12 



Sun 



33 



42 



Shade 



35 



12 



Sun 



36 



42 



Shade 



38 



12 



Sun 



14 12 



15 42 



17 12 



18 42 



20 12 



21 42 



23 12 



24 42 

 26 12 



6 12 



10 42 



12 12 



13 42 



15 12 



13 12 



14 42 



16 12 



17 42 



19 12 



20 42 



22 12 



23 42 

 25 12 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Ended. 



Sc. div. 



Change EiFect 

 of 

 60s. I Sun. 



Sc. div. i Sc. djv. 



Mean 



of 

 Group. 



Sc. div. 



Sun's 

 Alti- 

 tude. 



July 3, 1847. 



29-7 



370 



31-9 



38-3 



31-8 



38-4 



33-9 



41-7 



36-8 



396 

 50-9 

 49-4 

 58-7 

 55-9 

 65-2 

 62-2 

 70-2 

 66-5 



50-3 

 60-2 

 59-9 

 68-3 

 66-6 

 74-8 

 37-7 

 45-6 

 43-5 



51-0 

 59-1 

 58-0 

 64-6 

 62-8 

 68-9 

 66-7 

 72-2 

 69-2 



39-6 



+ 9-9 







29-3 



- 7-7 



17-6 



] 



41-8 



+ 9-9 



18-0 





29-7 



- 8-6 



18-2 





4M 



+ 9-3 



17-4 



17-76 



30-8 



- 7-6 



17-4 





44-1 



+ 10-2 



180 





33-7 



- 8-0 



17-7 





46-0 



+ 9-2 







51-8 



+ 12-2 







45-8 



- 51 



16-6 





60-2 



+ 10-8 



16-3 





52-7 



- 6-0 



16-8 





66-6 



+ 10-7 



16-8 



16-44 



590 



- 6-2 



16-4 





720 



+ 9-8 



16-2 





63-7 



- 6-5 



160 





75-7 



+ 9-2 







61-0 



+ 10-7 







56-3 



- 3-9 



14-2 





69-8 



+ 9-9 



14-3 





63-4 



- 4-9 



14-6 





76-2 



+ 9-6 



14-5 



[•14-40 



70-0 



- 4-8 



14-2 





46-9 



+ 9-2 



14-2 





40-4 



- 5-2 



14-8 





53-6 



+ 101 







59-7 



+ 8-7 







55-8 



- 3-3 



11-3 





65-3 



+ 7-3 



10-9 





60-6 



- 4-0 



11-2 





69-8 



+ 7-0 



IM 



11-23 



64-6 



- 4-3 



11-3 





73-6 



+ 6-9 



11-4 





67-5 



- 4-7 



11-4 





75-8 



+ 6-6 







39-9 



Makerstoun 



Mean Time 



of 



First Reading. 



d. h. 



3 7 



33-3 



26-4 



16-7 



16 12 



17 42 



19 12 



20 42 



22 12 



23 42 



25 12 



26 42 



28 12 



29 42 

 31 12 



7 40 12 

 41 42 



43 12 



44 42 



46 12 



47 42 



49 12 



50 42 



52 12 



53 42 



55 12 



56 42 

 58 12 



3 8 



3 12 



4 42 



6 12 



7 42 

 9 12 



10 42 



12 12 



13 42 



15 12 



16 42 



18 12 



19 42 

 21 12 



In Sun 



or 

 Shade. 



Observation. 



Begun 



Sc. div. 



Ended. 



Sc. div. 



Change 

 in 

 60'. 



Sc. div. 



Effect 



of 

 Sun. 



Sc. div. 



Mean 



of 

 Group. 



Sc. div. 



Sun's 

 Alti- 

 tude. 



July 3, 1847. 



Sun 



55-0 



1 59-3 



+ 4-3 







Shade 



58-6 1 54-8 



-3-8 



7-8 





Sun 



55-8 



59-6 



+ 3-8 



7-9 





Shade 



58-6 



54-3 



-4-3 



7-9 





Sun 



550 



58-4 



+ 3-4 



7-6 





Shade 



57-3 



53-2 



-4-1 



7-3 



7-49 



Sun 



53-8 



56-8 



+ 3-0 



7-1 





Shade 



55-8 



51-6 



-4-2 



7-3 





Sun 



520 



55-2 



+ 3-2 



7-5 





Shade 



53-9 



49-6 



-4-3 



7-0 





Sun 



500 



52-3 



+ 2-3 







Sun 



46-2 



47-4 



+ 1-2 







Shade 



46-0 



41-4 



-4-6 



5-5 





Sun 



41-3 



41-9 



+ 0-6 



5-4 





Shade 



40-3 



35-4 



-4-9 



5-4 





Sun 



35-1 



35-5 



+ 0-4 



5-1 





Shade 



33-8 



29-2 



-4-6 



4-8 





Sun 



29-1 



29-2 



+ 0-1 



4-6 



[4-67 



Shade 



27-3 



23-0 



-4-3 



4-3 





Sun 



22-8 



22-8 



0-0 



4-2 





Shade 



53-4 



49-3 



-4-1 



4-0 





Sun 



49-0 



48-8 



-0-2 



4-2 





Shade 



46-8 



42-1 



-4-7 



3-9 





Sun 



41-3 



39-8 



-1-5 







Sun 



24-4 



23-2 



-1-2 







Shade 



21-2 



16-6 



-4-6 



3.2 ~ 





Sun 



15-4 



13-7 



-1-7 



2-5 





Shade 



47-1 



43-2 



-3-9 



20 





Sun 



42-2 



40-0 



-2-2 



1-9 





Shade 



38-2 



33-8 



-4-4 



2-3 



2-29 



Sun 



32-5 



30-5 



-2-0 



2-8 





Shade 



28-8 



23-6 



-5-2 



3-0 





Sun 



23-4 



21-0 



-2-4 



21 





Shade 



19-2 



15-4 



-3-8 



0-8 





Sun 



13-8 



101 



-3-7 



0-0 





Shade 



8-3 



4-7 



-3-6 



0-0 





Sun 



30 



-0-6 



-3-6 







8-3 



5-3 



3-0 



July S-i S"" 32"'. Dry thermometer, 76°0 ; viret thermometer, 62°-8. 



July 3^ 4'' 19". Dry thermometer, 74°-6 ; wet thermometer, 62°-6 ; barometer, 29-859 in. 



July S"! G"" 21". Dry thermometer, 71°-7 ; wet thermometer, 60°-7. 



July 3d 7'' 2-1™. Dry thermometer, 68°-4 ; wet thermometer, 59°-7 ; barometer, 29-825 in. 



July 3* 7'' 40". Observations made near the rain-guage. 58". The last sun observation not good ; the sun near trees. 



July 3'' S*" 11". The sun is about 1J° distant from a ridge of land. 15". The sun just touches the projecting branch of a tree, the 

 readings probably not affected by this. 18". About 0-4 of the sun's face visible. 21" 12'. Sun invisible. 



