Extra Meteorological Observations, 1843. 



313 



actinometer. 



Makerstoun 



Mean Time 



of 



First Reading. 



In Sun 



or 

 Shade. 



Observation. 



Begu 



Ended 



Change 

 in 

 60^ 



Effect 



of 

 Sun. 



Mean 



of 

 Group. 





Sun'fi 

 Alti- 

 tude. 



Blakerstoun 



Mean Time 



of 



First Reading. 



In Sun 



Shade. 



Observation. 



Begun. Ended, 



Change 

 in 

 60=. 



Effect 



of 

 Sun. 



Mean 



of 

 Group. 



Sun's 

 Alti- 

 tude. 



18 23 



August 18, 



Sc. div. 



1843. 

 + 7-5 

 + 2-0 

 + 8-0 

 + 1-8 

 + 7-8 

 + 1-4 

 + 8-5 

 + 1-3 

 + 7-6 

 + 1-5 

 + 8-1 

 + 1-2 

 + 8-0 

 + 0-9 

 + 7-9 



+ 6-4 

 + 0-2 

 + 6-2 

 -0-2 

 + 6-4 

 -0-2 

 + 6-5 

 -0-1 

 + 7-0 

 -01 

 + 7-1 

 -0-3 

 + 6-5 

 -0-6 

 + 7-0 

 -0-8 



+ 6-0 

 -11 

 + 6-3 

 -10 

 + 6-8 

 -1-2 

 + 6-6 

 -0-8 

 + 6-6 

 -1-3 

 + 6-2 

 -1-4 

 + 6-5 

 -1-4 

 + 6-9 

 -1-6 



Sc. div. So. div. 



5-7 

 6-1 

 61 

 6-2 

 6-7 

 7-2 



Sc. div. I Sc. div. 



Sc. div. 



Sc. div. 



6-2 

 6-3 

 6-8 

 6-8 

 70 

 7-0 



61 

 6-2 

 6-5 

 6-6 

 6-6 

 6-6 

 6-8 

 7-1 

 7-2 

 7-3 

 71 

 6-9 

 7-4 

 7-7 



7-2 

 7-3 

 7-6 

 7-9 

 7-9 

 7-6 

 7-4 

 7-6 

 7-7 

 7-6 

 7-7 

 7-9 

 8-1 

 8-4 



19 



6-40 44-5 



6-70 



6-49 



7-24 



7-56 



7-86 



45-0 



46-8 



47- 1 



48-0 



48-2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 5 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 

 59 

 6 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 

 12 



19 



48-3 



48-3 



12-6 



11-5 



10-8 



September 4, 1843. 



30-8 340 +3-2 



340 34-9 +0-9 



34-9 38-2 +3-3 



38-2 390 +0-8 



390 42-1 +3-1 



421 43-0 +0-9 



430 46-3 +3-3 



46-3 47-2 +0-9 



2-3 

 2-5 

 2-4 

 2-3 

 2-3 

 2-4 



2-37 



19-2 



Aug. IS^ 22'' 40*". Barometer 29-686 in. ; dry thermometer 71°*2 ; wet thermometer 66''-2 ; hazy on E. horizon ; cumuli appearing on 

 W., SSW., and N. horizon ; strips of linear cirri about 20° altitude to S. ; light wind from ENE. 



Aug. IS* 231' 2". Light breeze. lO"". Patches of cumuli approaching the Sun. 11'". Wind. le-". Barometer 29-676 in. ; dry ther- 

 moraeter 72°-6 ; wet thermometer 67°-4 ; in a few minutes cirri on the Sun, with loose patches of clouds nearly crossing it. 



Aug. IS-i 231' 34'". Light breeze from SSE. 41"n. Calm. 42'". Cirri on the Sun ; Sun clear at 43"". 231' 48m. Barometer 29-667 in. ; dry 

 thermometer 74°-4 ; wet thermometer 64''-7 ; wind blowing 0'2 lb. from SSE. ; linear cirri to E., W., and S. ; cumuli on horizon as before. 



Aug. ig-* 01" 8'n. Barometer 29-658 in. ; dry thermometer 75°-l ; wet thermometer 65°-0 ; wind 0-2 lb. from SSE. ; cumuli on horizon ; 

 mottled and radiated cirri. 0*' 40'«. The upper portion of a solar halo seen ; cirri coming over the Sun. 



Aug. 1911 5I' SO"". Streaks of cirri and haze I'ound horizon ; none near the Son. 6i» O"". Barometer 29-547 in. ; dry thermometer 72°-4 ; 

 wet thermometer 65°-3 ; wind 0-1 lb. from SSE. 6'' 13'». Sun approaching the haze. 



Sept. 4-1 igi" 3S'». Barometer 30-200 in. ; dry thermometer 47°-7 ; wet thermometer 46°-2 ; a few thin cirro-strati to NB. ; a breath of 

 wind occasionally ; sky milky about the Sun, but no halo or clouds visible. 



MAG. AND MET. OBS. 1844. 



4k 



