EXTRA METEOROLOGICAL OBSERVATIONS, 1846. 417 
ACTINOMETER. 
Makerstoun . Makerstoun 
Mean Time Observation. | Change Mean Time Mean 
of in i of i of of 
First Reading. Begun.|Ended. 605, Y b - | First Reading. Begun.|Ended, - Sun. | Group. 
Observation. Effect 
Se. diy. | Se. diy.] Se. div. . div. . . - Be Se. diy. . diy. | Se. div.} Se. diy. 
JUNE 2, 1846. 
Sun 37-9|43-8 ) +5-9 2 23 38 O 
40-7 | 34-0 | —6.7 30 
Sun 69-2 ‘ +58 0 
71-3 . — 6-2 
Sun 66-7 : +51 
68-6 . — 8-2 
Sun | 62-6| 68.4 | +5-8 . 3.| +7-6 10-0 
65-7 : —8-0 -7| 67> —2:5 | 9-9 | 
Sun 59-9) 65-1 | +5-2 : RO! erase | 
Sun at : ee : JUNE 16, 17, 1846. 
Sun | 72-1|79:7 | +7-6 | 9- 31-6 
79.0|76-7 | —2.3 | 9- aoe 
Sun 79.8 ‘i +73 . . . 45-1 
86-1| 83-3 | —28 | 10- 33:5 
Gian FEY ee (0) A 56-6 
68-4 “7 eon. i 63-2 
din 2 | 479 65:5 
72-9 
75-6 
Sun -4 | +68 
—6-4 : 
Sun . 4 | +40 : 12-6 
—10-7 < 16-4 
Sun : +2.4 . 14-6 
-11-3 : 73-3 
Sun “8 | +455 : 71-6 
j -7:3 : 75-1 
Sun 71:5 6 | +7-1 : 77-4 
76:3 . —5-0 : 81-0 
Sun 74-2 | 80-4 | +6-2 : 79-0 
78-3 a —5-7 o 82-1 
Sun 74:5 “8 | +6:3 80-7 
Sun 68-6 +7-2 66-1 
Shade | 75-0 —2:3 : 70-5 
Sun 75:8 +78 : 69-3 
Shade} 82-6| 80-0 | —2-6 : 72-9 
Sun 83-3 | 91-3 | +8-0 : 71-7 
Shade} 65-4| 62-9 | —2.5 76-3 
Sun 66-3 | 74-4 | +8-1 74-0 
Shade} 73-9| 71-6 | —2-3 : 76-3 
Sun 74-7| 82-3 | +7-6 73:3 
June 24 22h 7m—20m, Glass plate removed from the instrument; replaced after 20™. 
June 24 22h 9m 45s, Screw turned in. 
June 222213m. wo very small patches of cloud formed to SE. ; sun very clear. 
June 24 22h 36m 458. Screw withdrawn. 
June 24 22h 43m—23h 2m, Glass plate removed from the instrument; replaced after 2, 
June 24235 8m, Patches of cumuli appearing on various parts of the horizon. 
June 2¢ 235 12m 158. Screw withdrawn. 
June 24 23h 43m, Cumuli increasing ; dry thermometer 77°°5 ; wet thermometer 62°4. 
June 164 234 44m, A few cumuli about the horizon. 
June 174 0b 31™ 305, Screw turned in. 
June 174 0 36™, One set of observations missed. 
MAG. AND MET. oss. 1846. 5N 
