Extra METEOROLOGICAL OBSERVATIONS, 1846. 415 
ACTINOMETER. 
Makerst = 
Makerstoun oer | In Sun | Observation. Change | Effect | Mean | Sun’s 
of _ or in of of Alti- 
First Reading. | Shade. |Begun,|Ended. 605. | Sun. | Group. | tude. 
In Sun | Observation. Change] Effect | Mean 
or in of of 
Shade. |Becun.|Ended.| 60*- Sun. | Group. 
Sc. diy.| Sc. diy.| Se. div. |Sce. div.| Sc. div. da hm 5. Sc. diy.| Sc. div.] Sc. div. | Se. div.] Se. div. S 
JUNE 1, 1846 JUNE 1, 1846. 
Shade | 59-0 | 53-3 | —5-7 | 11-1 1 ge: 45 Sun 57-3 | 62-8 | +5-5 
15| Shade| 61-8|58-7 | —3-1 | 8-7 
45| Sun | 61-2/66-9 | +5-7 | 8-7 
Shade| 65-8/62-8 | —3-0 | 8-5 
Sun | 64:9|70-2 | +5-3 | 8-5 |} 8-61] 33.3 
Shade} 68-9|65-6 | —3-3 | 8-6 
55| Sun | 68-7|74-1|+5-4 | 8-6 
15| Shade] 73:4|70:3 | —3-1 | 8-7 
45| Sun | 72:8|78-6 | +5-8 
Sun 55-3 | 60-9 | +5-6 | 11-1 
Shade | 58-7 |53-5 | —5-2 | 10-6 |;10-70 
wor OMBDADAUwWhwWo 
nS 
ox 
=e 
1 5 445! Sun | 51-3/56-1 | +48 | 
6 15| Shade| 55-0/52-1 | -2-9 | 7-6 
7 45| Sun | 54-0|58-7 | +4-7 | 7-7 
9 15| Shade| 57-4|54-4 | —3-0 | 7-4 
10 45| Sun | 55-7|59-8 | 44-1 | 7-2 
7.3 
Sun 49.2| 53-4 | +4-2 |10-1 |}10-12 13 45} Sun 57-2/61:3 |+4-1 | 7-4 lec 24-1 
5| Shade| 53-9] 48-2 | —5-7 | 10-0 9.92 
Sun 50-6 | 56-3 | +5.7 | 10-3 |}10-02 
32 15| Shade| 61-6| 60-0 | —1-6 | 4:5 4.43 | 13-3 
Sun 51-6| 57-2 | +5-6 
Shade| 55-9| 52-8 | —3-1 | 8.7 
Sun 55-0| 60-7 | +5-7 | 8-7 
Shade} 59-5|56-7 | —2-8 | 8-4 
Sun 59-1|64-7 | +5-6 | 8-8 
Shade| 63-4|59-9 | —3-5 | 9-1 8-79 
Son 62-3| 67-9 | +5-6 | 8-9 
Shade| 66-6| 63-4 | —3-2 | 9-0 
Sun 65-9| 71-8 | +5-9 | 8-9 
Shade} 70-6] 67-8 | —2-8 | 8-6 
Sun 70-21 76-0 | +5-8 
14 15| Shade| 55-4] 54-2 | —1-2 | 2-4 2:43) 7-9 
June 14 2h 25m. There has been a very thin cirrous haze over a considerable portion of the sky the most of the day. 
June 14 2h 37™ 0s. Screw turned in. 
June 1464 25m. No clouds near the sun; hazy near south horizon. 
June 12 62 34™, Light breeze. 
une 14 7» 9m 30s, Screw turned in. 
