Extra Meteorological Observations, 1843. 



313 



ACTINOMETER. 



Makers toun 

 Mean Time 



of 

 rst Reading. 



In Sun 



or 

 Shade. 



Observation. 



Begun, 



Ended 



Change 

 in 

 60*. 



Effect 



of 

 Sun. 



Mean 



of 

 Group. 



Sun's 

 Alti- 

 tude. 



Makerstoun 



Mean Time 



of 



First Reading. 



In Sun 



or 

 Shade. 



Observation. 



Begun. Ended 



Change 

 in 

 60*. 



Effect 



of 



Sun. 



Mean 



of 

 Group 



Sun's 

 Alti- 

 tude. 



Sc. div. 



Sc. div. 



August 18, 







Sun 



23-5 







Shade 



310 







Sun 



33-0 







Shade 



41-0 







Sun 



42-8 







Shade 



50-6 







Sun 



520 







Shade 



60-5 







Sun 



61-8 







Shade 



69-4 







Sun 



709 







Shade 



790 







Sun 



80-2 







Shade 



88-2 







Sun 



89-1 







Sun 



7-0 







Shade 



13-4 







Sun 



13-6 







Shade 



19-8 







Sun 



196 







Shade 



26-0 







Sun 



25-8 







Shade 



32-3 







Sun 



32-2 







Shade 



39-2 







Sun 



391 







Shade 



46-2 







Sun 



45-9 







Shade 



52-4 







Sun 



51-8 







Shade 



58-8 







Sun 



17-0 







Shade 



230 







Sun 



21-9 







Shade 



28-2 







Sun 



27-2 







Shade 



340 







Sun 



32-8 







Shade 



39-4 







Sun 



38-6 







Shade 



45-2 







Sun 



43-9 







Shade 



501 







Sun 



48-7 







Shade 



55-2 







Sun 



53-8 







Shade 



60-7 



31-0 

 330 

 410 

 42-8 

 50-6 

 520 

 60-5 

 61-8 

 69-4 

 70-9 

 79-0 

 80-2 

 88-2 

 89-1 

 97-0 



13-4 

 13-6 

 19-8 

 19-6 



26-0 

 25-8 

 32-3 

 32-2 

 39-2 

 391 

 46-2 

 45-9 

 52-4 

 51-8 

 58-8 

 580 



23-0 

 21-9 

 28-2 

 27-2 

 34-0 

 32-8 

 39-4 

 38-6 

 45-2 

 43-9 

 501 

 48-7 

 55-2 

 53-8 

 60-7 

 591 



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 

 -01 

 + 7-0 

 -01 

 + 7-1 

 -0-3 

 + 6-5 

 -0-6 

 + 7-0 

 -0-8 



+ 6-0 

 -1-1 

 + 6-3 

 -10 

 + 6-8 

 -1-2 

 + 6-6 

 -0-8 

 + 6-6 

 -1-3 

 + 6-2 

 -14 

 + 6-5 

 -14 

 + 6-9 

 -1-6 



Sc. div. 



5-7 



6-1 



6-1 

 6-2 

 6-7 

 7-2 

 6-8 

 6-2 

 6-3 

 6-8 

 6-8 

 70 

 7-0 



Sc. div. 



7-2 

 7-3 

 7-6 

 7-9 

 7-9 

 7-6 

 74 

 7-6 

 7-7 

 7-6 

 7-7 

 7-9 

 8-1 

 84 



640 



6-70 



649 



^7-24 



7-56 



7-86 



44-5 



45-0 



46-8 



47-1 



48-0 



48-2 



h. 



19 



Sc. div. Sc. div, 



Sc. div. 



Sc. div. 



Sc. div. 



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 







August 19, 



1843. 











Sun 



23-5 



290 



+ 5-5 











Shade 



290 



27-1 



-1-9 



7-6 



- 







Sun 



271 



330 



+ 5-9 



7-7 









Shade 



330 



31-3 



-1-7 



7-9 









Sun 



31-3 



37-8 



+ 6-5 



8-2 



8-01 







Shade 



37-8 



36-1 



-1-7 



8-3 









Sun 



361 



42-8 



+ 6-7 



8-3 









Shade 



42-8 



414 



-14 



8-1 









Sun 



414 



48-1 



+ 6-7 



8-0 



. 







Shade 



48-1 



46-9 



-1-2 



7-8 









Sun 



46-9 



53-5 



+ 6-6 



8-0 









Shade 



53-5 



520 



-1-5 



8-3 



8-33 







Sun 



520 



590 



+ 7-0 



8-6 









Shade 



59-0 



57-3 



-1-7 



8-8 









Sun 



57-3 



64-5 



+ 7-2 



8-8 









Shade 



64-5 



63 



-1-5 











Sun 



33-7 



37-2 



+ 3-5 











Shade 



37-2 



36-5 



-0-7 



3-7 









Sun 



36-5 



390 



+ 2-5 



2-8 









Shade 



390 



39-0 



0-0 



24 









Sun 



39-0 



41-3 



+ 2-3 



2-3 



2-69 







Shade 



41-3 



414 



+ 0-1 



2-4 









Sun 



414 



44-1 



+ 2-7 



2-7 









Shade 



44-1 



43-9 



-0-2 



2-5 









Sun 



43-9 



45-7 



+ 1-8 



20 



i 







Shade 



45-7 



45-5 



-0-2 



20 









Sun 



45-5 



474 



+ 1-9 



21 









Shade 



474 



47-2 



-0-2 



2-1 



2-07 







Sun 



47-2 



49-1 



+ 1-9 



21 









Shade 



49- 1 



48-9 



-02 



2-0 









Sun 



48-9 



50-7 



+ 1-8 



2-2 









Shade 



50-7 



50-2 



-0-5 



2-2 









Sun 



50-2 



51-9 



+ 1-7 



2-3 









Shade 



51-9 



51-2 



-0-7 



24 



2-29 







Sun 



51-2 



52-9 



+ 1-7 



2-3 







Shade 



52-9 



52-3 



-0-6 



2-3 









Sun 



52-3 



54-0 



+ 1-7 



2-3 









Shade 



54-0 1 



53-3 



-0-7 







48-3 



48-3 



12-6 



11-5 



10-8 



September 4, 



4 19 



31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 



12 



Sun 



12 



Shade 



12 



Sun 



12 



Shade 



12 



Sun 



12 



Shade 



12 



Sun 



12 



Shade 



30-8 

 340 

 34-9 

 38-2 

 390 

 42-1 

 430 

 46-3 



340 

 34-9 

 38-2 

 390 

 42- 1 

 43-0 

 46-3 

 47-2 



1843. 

 + 3-2 

 + 0-9 

 + 3-3 

 + 0-8 

 + 3-1 

 + 0-9 

 + 3-3 

 + 0-9 



2-3 

 2-5 

 24 

 2-3 

 2-3 

 24 



2-37 



192 



cumuli appearing on 

 dry ther- 



vug. 18 d 22 h 40™. Barometer 29-686 in. ; dry thermometer 71° - 2 ; wet thermometer 66°-2 ; hazy on E. horizon j 

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



mg. 18 d 23>> 2m. Light breeze. 10 m . Patches of cumuli approaching the Sun. ll m . Wind. 16'". Barometer 29-676 in. 

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



aig. 18 d 23 h 34™. Light breeze from SSE. 41™. Calm. 42™. Cirri on the Sun ; Sun clear at 43™. 23>> 48™. Barometer 29-667 in. ; dry 

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

 .ug. 19 d h 8™. Barometer 29-658 in. ; dry thermometer 75°-l ; wet thermometer 65°-0 ; wind 02 lb. from SSE. ; cumuli on horizon ; 

 i tied and radiated cirri. h 40™. The upper portion of a solar halo seen ; cirri coming over the Sun. 

 ug. 19* 5 h 50™. Streaks of cirri and haze round horizon ; none near the Sun. 6 h 0™. Barometer 29*547 in. ; dry thermometer 72°-4 ; 

 thermometer 65°-3 ; wind 0-1 lb. from SSE. 6 h 13™. Sun approaching the haze. 



jpt. 4 d 19 h 35™. Barometer 30-200 in. ; dry thermometer 47°-7 ; wet thermometer 46°-2 ; a few thin cirro-strati to NE. ; a breath of 

 ^i J occa sionally ; sky milky about the Sun, but no halo or clouds visible. 



MAG. AND MET. OBS. 1844. 



4k 



