ExTEA Meteorological Observations, 1845. 



277 



ACTINOMETER. 



In Sun 



or 

 Shade. 



Sun 

 Shade 

 Sun 

 Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 

 Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Sun 



Shade 



Observation. 



Sc.div. 



Ended. 



Sc. div. 



60'. 



Sc. div. 



March, 11, 12. 

 25-4 

 29-0 

 28-2 

 31-8 



28-7 

 321 

 31-5 

 34-7 

 32-9 

 35-7 

 34-6 

 36-7 

 35-5 



13-9 

 16-7 

 15-9 

 18-7 

 17-9 

 20-3 

 19-4 

 21-8 

 20-7 

 23-3 

 22-4 

 24-9 



10-2 

 12-6 

 11-7 

 141 

 13-4 

 161 

 15-6 

 18-3 

 17-6 

 20-0 

 19-2 

 21-8 



23-7 

 26-0 



13-0 

 15-3 

 14-4 

 16-9 

 16-1 

 18-8 

 17-7 

 20-1 



Effect 



of 



Sun. 



29-0 



+ 3-6 



28-2 



-0-8 



31-9 



+ 3-7 



30-8 



-1-0 



32-3 



+ 3-6 



31-5 



-0-6 



35-0 



+ 3-5 



33-5 



-1-2 



36-2 



+ 3-3 



34-6 



-11 



37-1 



+ 2-5 



35-5 



-1-2 



38-8 



+ 3-3 



16-8 



+ 2-9 



15-9 



-0-8 



18-9 



+ 30 



17-9 



-0-8 



20-6 



+ 2-7 



19-4 



-0-9 



22- 1 



+ 2-7 



20-7 



-M 



23-7 



+ 3-0 



22-4 



-0-9 



25-3 



+ 2-9 



23-8 



-M 



12.7 



+ 2-5 



11-7 



-0-9 



14-3 



+ 2-6 



13-4 



-0-7 



16-2 



+ 2-8 



15-6 



-0-5 



18-4 



+ 2-8 



17-6 



-0-7 



20-1 



+ 2-5 



19-2 



-0-8 



220 



+ 2-8 



21-2 



-0-6 



26-3 



+ 2-6 



25-1 



-0-9 



15-6 



+ 2-6 



14-4 



-0-9 



17-0 



+ 2-6 



16-1 



-0-8 



18-9 



+ 2-8 



18-1 



-0-7 



20-3 



+ 2-6 



19-4 



-0-7 



Sc. div. 



4-4 

 4-6 



4-1 

 4-4 

 4-6 

 4-5 

 4-0 

 3-6 

 4-1 



3-5 



3-5 

 3-4 

 3-5 

 3-6 

 3-4 

 3-3 

 3-3 



Mean 



of 

 Grroup, 



Sc. div. 



4-50 



Sun's 

 Alti- 

 tude. 



4-19 



^3.77 



3-39 



3-50 



3-43 



30-7 



30-9 



30-6 



29- 1 



28-1 



26-6 



Makerstoun 



Mean Time 



of 



First Reading. 



d. b. m. 



12 2 9 30 



11 



12 30 



14 



15 



16 30 



17 30 

 19 



In Sun 



or 

 Shade. 



Observation. 



Begun, 



Ended. 



So. div. 



Change 

 in 

 60». 



Sc. div. 



Effect 



of 

 Sun. 



Sc. div. 



Mean 



of 

 Group. 



Sc. div. 



Sun's 

 Alti- 

 tude. 



March 12. 



Sun 



19-4 



22- 1 



+ 2-7 



3-5 ^ 





Shade 



22-0 



211 



-0-9 



3-6 





Sun 



20-9 



23-5 



-I-2.6 



3-5 





Shade 



23-3 



22-4 



-09 



3-4 



► 3-47 



Sun 



22-4 



24-8 



-f-2-4 



3-2 





Shade 



24-7 



23-9 



-0-8 



3-4 





Sun 



23-9 



26-7 



+ 2-8 



3-7 





Shade 



26-6 



25-7 



-0-9 







25- 



12 21 



12 22 







March, 12 



13. 







23 12 



Sun 



171 



18-8 



+ 1-7 



1 



24 42 



Shade 



18-7 



18-2 



-0-5 



2-2 





25 42 



Sun 



18-2 



19-9 



+ 1-7 



2-3 





27 12 



Shade 



19-7 



19-0 



-0-7 



2-4 





28 12 



Sun 



190 



20-7 



+ 1-7 



2-4 





29 42 



Shade 



20-4 



19-7 



-0-7 



2-3 



2-40 



30 42 



Sun 



19-7 



21-3 



-H-6 



2-4 



32 12 



Shade 



21-2 



20-4 



-0-8 



2-5 





33 12 



Sun 



20-4 



22-2 



+ 1-8 



2-5 





34 42 



Shade 



220 



21-3 



-0-7 



2-5 





35 42 



Sun 



21-3 



23-1 



+ 1-8 



2-5 





37 12 



Shade 



22-9 



22-2 



-0-7 



2-5 



1 



38 12 



Sun 



22-2 



24-1 



-t-1.9 



2-6 





39 42 



Shade 



24-0 



23-4 



-0-6 



2-5 





40 42 



Sun 



23-4 



25-3 



-M-9 



2-6 





42 12 



Shade 



251 



24-3 



-0-8 



2-7 



2-68 



43 12 



Sun 



24-3 



26-3 



+ 2-0 



2-8 



44 42 



Shade 



261 



25-3 



-0-8 



2-7 





45 42 



Sun 



25-3 



271 



+ 1-8 



2-7 





47 12 



Shade 



26-9 



26-0 



-0-9 



2-8 





48 12 



Sun 



26-0 



28-0 



+ 2-0 



2-9 





49 42 



Shade 



27-7 



26-8 



-0-9 







9 12 



Sun 



14-1 



16-2 



-h2-l 







10 42 



Shade 



161 



15-3 



-0-8 



30 





11 42 



Sun 



15-3 



17-6 



+ 2-3 



3-1 





13 12 



Shade 



17-3 



16-5 



-0-8 



3-0 





14 12 



Sun 



16-5 



18-6 



-h2-l 



2-9 



3-03 



15 42 



Shade 



19-0 



18-2 



-0-8 



2-9 





16 42 



Sun 



18-2 



20-4 



+ 2-2 



3-1 





18 12 



Shade 



201 



19-1 



-1-0 



3-2 





19 12 



Sun 



191 



21-3 



+ 2-2 



3-2 ~ 





20 42 



Shade 



21-0 



20-0 



r-l-O 



3-3 





21 42 



Sun 



200 



22-3 



+ 2-3 



3-3 





23 12 



Shade 



22-1 



2M 



-1-0 



3-4 



3-34 



24 12 



Sun 



2M 



23-6 



+ 2-5 



3-4 





25 42 



Shade 



23-2 



22-3 



-0-9 



3-4 





26 42 



Sun 



22-3 



24-7 



+ 2-4 



3-4 





28 12 



Shade 



24-4 



23-3 



-11 







231 



24-3 



27-0 



27-7 



jMarch ll* 23^ 31". Clear near the sun ; scud to E. 34"" 30". Scud approaching the sun. SS"" 0=. Scud on sun. 37". Clouds over 



'! sun. SS". Clouds off the sun. 44" — 48". Clouds on or near the sun. 



[March 12'i 0^ 43". No clouds within 30" of the sun. 53". A very thin haze passing over the sun. 58". Clouds coming over the sun. 



jMarch 124 \h 28". Loose scud within i" of the sun, and over the sun for 5^. 33". A small patch of vapour near the sun. 



,March 12<i 2^ 4". A cloud over the sun for 10". 7". Thin cloud over the sun. 19". Thin cirrous cloud coming near the sun, and 



lerspreading the whole of the sky, so as to render further observations useless ; snow at 24". 



iMarch 12'' 21k 23". A patch of cirro-stratus 20° to eastward of the sun ; no haze visible. Observations made at east end of Observa- 



;'y. 27". The patch of cirro-stratus has disappeared. 45". The sky has been very favourable since about 27". 



jMarch 124 22'' 9". Patches of cloud on horizon to south, 25° distant from the sun. 



IMarch 124 22'' 15". The instrument was exposed to the sun a few seconds too long ; the observation was taken at the proper time. 



** QQ"*- Dry thermometer, 28°-7, wet thermometer, 25°-7. 



MAG. AND MET. OBS. 1845. 



4a 



