418 
Makerstoun 
Mean Time In Sun 
of _ or 
First Reading. Shade. 
Extra METEOROLOGICAL OBSERVATIONS, 1847. 
ACTINOMETER, 
Makerstoun 
Méan THRE Observation. 
Observation. | Chan ge Mean | Sun’s 
in of Alti- of 
Begun.|Ended.| 60%. | Sun. | Group. | tude. | Pirst Reading. : .|Ended. 
Shade 
Sc. diy.] Sc. div.| Se. div. Se. div. 2 da. hm 65. Se. div. | Se. div. 
JULY 2, 3, 1847. 
43-2|57-7 2 23 12 
58-2 57-9 * 
63-5 77-8 
81-3 80-4 
11-7 25-7 
25-9 24.8 
30-0| 43-7 
43-6 41-7 
46-7 | 60-3 
94-1 |+12-7 
4 |+10-7 
Shade . 9 |— 5-9 
Sun 26-9 | 39-1 |+12-2 
Shade o ‘6 |-— 6-2 
Sun . ‘9 1410-9 
Shade . 4|/— 8-6 
Sun p “8 |+11-0 
Shade : T\|-— 7-5 
Sun : ‘0 |+10-2 
Sun ‘7 |+11-3 
Shade . 0 |— 5-9 
| Sun . “-L |+11-4 
| 37.2193. ; 6) : Shade ; 7 2.409 
: Sun Y 2 |4+12:3 
| 6 F 4 : Shade 5 Es =" 58} 
Sun ‘7| 61-7 |+11-0 
Shade : 9 |/— 5-9 
Sun ‘8 |+11-6 
July 24,1847. The cylinder of the actinometer having burst in the previous winter, the broken parts have been replaced by new ones, 
July 24 21h 23m, 
July 24 214 30m, 
July 24 215 57m, 
July 24 22 10m, 
July 24 224 39m, 
July 24 22 52m, 
Observations made at east end of Observatory. 
Dry thermometer, 63”7 ; wet thermometer, 59°°7. 
Observations made on the south side of Observatory. 
Barometer, 29:945 in.; dry thermometer, 65°2; wet thermometer, 58°°7. 
Observations made at west end of Observatory. 
Dry thermometer, 68°°3; wet thermometer, 61°-0. 
July 24 225 59m—235 9m, Glass plate removed from the instrument; replaced after 9™, 
July 24 235 44m, 
July 34 15 22m, 
July 34 2h 17m, 
Dry thermometer, 71°-6 ; wet thermometer, 62°°5. 
Dry thermometer, 75°°0; wet thermometer, 6177; too much wind. 
Dry thermometer, 756; wet thermometer, 61°-9. 
