Extra METEOROLOGICAL OBSERVATIONS, 1847. 419 
ACTINOMETER. 
| | 
, ee eae In Sun | Observation. | (hange| Effect} Mean | Sun’s oe | In Sun | Observation. | Ghange| Effect} Mean | Sun’s 
of or in of of Alti- 0 | or in of of Alti- 
: First Reading. Shade. Begun.|Ended. 605. Sun. | Group. | tude. | pirst Reading. Shade. eee 605. Sun. | Group. | tude. 
| | = | 
‘a. hom 5 Sc. diy.|Se. div.| Se. diy. | Se. div.! Se. div. st de hom, Bef \/So div. Se. div. | Sc. div. | Sc. div.! Sc. div. ° 
JuLyY 3, 1847. JuLy 3, 1847. 
3 3 26 12| Sun 29-7 | 39-6 |+ 9-9 3 7 16 12| Sun 55:0| 59-3) +43 
| 27 42| Shade} 37-0 | 29-3 |— 7-7| 17-6 17 42} Shade} 58-6) 54:8 -—3-8 | 7-8 
| 29 12} Sun 31-9| 41-8 |4+ 9-9] 18-0 | 19 12) Sun 55-8| 59-6 +3-8 | 7-9 
ch 30 42) Shade| 38-3 | 29-7 |— 8-6] 18-2 20 42) Shade| 58-6) 54-3) —4-3 | 7-9 
4 32 12) Sun 31-8| 41-1 |+ 9-3| 17-4 |}17-76 | 39-9 22 12} Sun 55-0| 58-4 +3.-4 | 7-6 
| 33 42| Shade| 38-4/30-8 |— 7:6) 17-4 23 42| Shade} 57-3] 53-2. —4-1 | 7-3 7:49 | 8-3 
if 35 12} Sun 33-9 | 44-1 |+10-2/ 18-0 25 12] Sun 53-8 | 56-8 +3-0 | 7-1 
| 36 42| Shade} 41-7 | 33-7 |— 8-0|17-7 26 42) Shade] 55-8} 51-6, —4-2 | 7-3 
| 38 12| Sun 36-8 | 46-0 |4+ 9-2 28 12| Sun 52-0} 55-2) +3-2 | 7-5 
| 29 42| Shade} 53-9) 49-6) —4-3 | 7-0 
| 3 4 14 12) Sun 39-6 | 51-8 |+12-2 31 12) Sun 50-0) 52:3 42-3 
| 15 42| Shade} 50-9| 45-8 |— 5-1) 16-6 
17 12) Sun 49-4 | 60-2 |+10-8 | 16-3 3 7 40 12) Sun 46-2| 47-4| +1-2 
18 42| Shade} 58-7|52-7 |— 6-0| 16-8 41 42| Shade| 46-0] 41-4) —4-6 | 5-5 
20 12/ Sun 55-9| 66-6 |+10-7/| 16-8 |}16-44 | 33-3 43 12| Sun 41-3| 41-9| +0-6 | 5-4 
| 21 42) Shade} 65-2| 59-0 |— 6-2/ 16-4 44 42) Shade} 40-3} 35.4) —4-9 | 5-4 
| 23 12) Sun | 62-2/72-0 |+ 9-8| 16.2 46 12| Sun | 35-1) 35-5| +0-4 | 5-1 
a 24 42) Shade| 70-2|63-7 |— 6-5) 16-0 |, 47 42| Shade! 33-8] 29-2.| —4-6 | 4.8 
| 26 12} Sun 66-5 | 75-7 |+ 9-2 49 12) Sun 29-1| 29-2) +0-1 | 46 |} 4-67 | 5:3 
4 | 50 42} Shade| 27-3) 23-0) —4:3 | 4.3 
| 3 5 3 12) Sun 50-3 | 61-0 |4+ 10-7 52 12) Sun 22-8] 22:8 0-0 | 4-2 
it 4 42) Shade| 60-2|56-3 |— 3-9} 14-2 |} 53 42| Shade| 53-4) 49-3) —4-1 | 4.0 
| 6 12} Sun 59-9/69-8 |+ 9-9) 14-3 55 12) Sun 49-0} 48-8} —0-2 | 4.2 
| 7 42) Shade} 68-3/63-4 |— 4-9} 14-6 56 42} Shade} 46-8} 42-1| —4-7 | 3-9 |! 
| 9 12) Sun 66-6 |76-2 |+ 9-6/14-5 |+14-40 | 26-4 58 12) Sun 41-3] 39-8) —1-5 
| 10 42] Shade} 74-8|70-0 |— 4-8) 14-2 
12 12} Sun 37-7 | 46-9 |+ 9-2) 14-2 3 8 3 12) Sun 24-4] 23-2| —1-2 
13 42} Shade | 45-6|40-4 |— 5-2) 14-8 4 42| Shade| 21-2) 16-6) —4-6 | 3.2 
15 12) Sun 43-5 | 53-6 |+10-1 6 12} Sun 15-4| 13-7| —1-7 | 2-5 
7 42| Shade| 47-1} 43-2| —3-9 | 2.0 
6 13 12} Sun 51-0 | 59-7 |+ 8-7 9 12| Sun 42.2) 40-0) —2-2 | 1-9 
14 42} Shade} 59-1|55-8 |— 3-3/11-3 10 42} Shade} 38-2} 33:8 —4-4 | 2.3 2-29 | 3-0 
16 12} Sun 58-0 | 65-3 |+ 7-3| 10-9 12 12) Sun 32-5) 30-5) —2-0 | 2-8 
17 42| Shade} 64-6 | 60-6 |— 4-0} 11-2 13 42| Shade| 28-8) 23-6) —5-2 | 3-0 
19 12| Sun 62-8 | 69-8 |+ 7-0) 11-1 |}11-23 | 16-7 15 12| Sun 23-4| 21-0) —2-4 | 2-1 
20 42| Shade| 68-9/|64-6 |— 4-3) 11-3 | 16 42| Shade 19-2| 15-4 —3.8 | 0-8 
22 12) Sun 66-7 | 73-6 |+ 6-9| 11-4 18 12) Sun | 13-8} 10-1, —3-7 | 0-0 
23 42) Shade | 72-2)67-5 |— 4-7) 11-4 19 42) Shade} 8-3} 4-7) —3-6 | 0-0 
25 12| Sun 69-2|75:8 |+ 6-6 21 12) Sun 3-:0}—0-6 —3-6 
Tuly 32 3h 32m, 
Tuly 34 4h 19m, 
July 34 Gb 21m, 
Tuly 34 7% 24m, 
Tuly 34 72 40m, 
Tuly 34 8b 11m, 
Dry thermometer, 76°-0 ; wet thermometer, 62°8. 
Dry thermometer, 74°-6; wet thermometer, 62°-6 ; barometer, 29:859 in. 
Dry thermometer, 71°7 ; wet thermometer, 60°-7. 
Dry thermometer, 68°-4; wet thermometer, 59°-7 ; barometer, 29°825 in. 
Observations made near the rain-guage. 58™. The last sun observation not good ; the sun near trees. 
The sun is about 14° distant from a ridge of land. 15™. The sun just touches the projecting branch of a tree, the 
readings probably not affected by this. 18™,. About 0-4 of the sun’s face visible. 21™ 125. Sun invisible. 
