82 M. POUILLET ON SOLAR HEAT, 
Table of the Mean Temperatures of the Atmosphere which corre- 
spond to the observations of the Actinometer made during the 
months of April, May and June. 
Days. Hours. hes ah ae Differ. wes = cmt boo 
the air. Actinom. 2 atmosphere. 
From the 10th to the 11th of April. 
April 10. 7» evening. 10:2 3:9 6:3. |.— 40a 235 
8 99 3:0 69 | — 56 | —25°5 
9 9°6 Do 74 | — 70 | —270 
10 9:0 1:8 772 | — 72 | —27°5 
1). 5 morning. 50 —3:0 8:0 | —13:0 | —35 
5 30! 5:0 —3:0 8:0 | —13°0|-—35 
6 Od —2:3 78 | —120 | —34 
From the 14th to the 15th of April. 
April 14. 7® evening. 85 08 Zi | — 60°] —26 
8 70 —0°5 75 | — 99 | —30:0 
9 58 —1]-6 7-4 | —10:8: | —82 
10 50 —2-4 7:4 | —1]1:6. | —33'5 
15. 4 30'morning.| 1.0 —6:0 70 | —-147 | —37:5 
: 1-0 —60 7:0 | —14-7 | —37°5 
6 1:6 —52 68 | —13°7 | —36:0 
From the 20th to the 21st of April. 
April 20. 8h evening. 5°6 —0:8 64 | — 88 | —29-5 
9 4:5 —2-0 65 | —101 | —3l-5 
10 3-6 —s0 66 | —11)1-7 | —33°5 
21. 430’ morning. 00 — 0 70 | —15:7 *\-—s38'5 
5 0-0 —79 7:0. | —15:7° | —38:5 
5 30! 01 —6:5 66 | —145 | —37-0 
From the 5th to the 6th of May. 
May 5. | 455 evening. 25°50 19:9 56 | +129 | — 2:0 
6 25:10 area) 76 80 | — 80 
7 23:10 15°0 8-1 49 | —120 
8 22:9 13:9 9-0 26 | —15:0 
9 Piro 12°5 9:0 14 | —165 
10 LS 10 Fi. 06 | —17°5 
6. 4 morning. 12:1 5 7) —39 | —23°5 
4 30' 12:1 5 Tl —39 | —23°5 
5 12 6 6-0 —1'5 | —200 
From the 23rd to the 24th of June. 
June 23. 7" evening. 20:0 12:0 80 +20 | —16:0 
8 17'8 10°5 Vises 1:4 | —16°5 
9 176 10°7 69 Ps 4, 
10 16°3 9-2 71 0-3 | —18:0 
24. 4 morning. 11:3 5:3 6:0 —22 | —21:0 
4 30' WS 56 59 —1:8 | —20°5 
