AT NIGHT, FROM THE EARTH, ETC. 175 
Table LXXXI. 
General state of the sky 
during the night previous to 
reading the instruments. 
1843. 
July. 
Reading of 
thermo- 
Excess of the reading of a thermometer in air, at the height of 4 feet 
and protected from the effects of radiation, above that placed 
Day and 
hour of 
reading. 
meter in 
air at the 
height of 
4 feet. 
On long 
grass ex- 
posed to 
•|ths of sky 
On short 
grass. 
On garden 
mould. 
One inch 
high. 
Three 
inches 
high. 
111 focus of 
metallic 
reflector. 
Cloudless. 
d h 
4 21 
O 
57-1 
1 0*6 
13*6 
10*6 
O 
11*3 
O 
10-1 
O 
8-9 
9 21 
51-3 
4-1 
11*8 
12*8 
9-8 
11*3 
Principally clear. 
2 21 
58*6 
7-1 
8*6 
7-6 
8-6 
8-6 
10-1 
7 21 
53-4 
6-6 
5-4 
6-2 
5*2 
6-2 
8 21 
47-3 
7*3 
7-3 
7*3 
7-3 
7-1 
16 21 
58-4 
4-3 
4-3 
5*4 
4-8 
6-3 
17 21 
58-1 
4*1 
4-1 
4-4 
6-1 
19 21 
46-1 
6-1 
6-1 
6-1 
6-1 
7-1 
23 21 
44-6 
5-2 
5-2 
7-4 
7*6 
9-4 
24 21 
46-1 
9-6 
9-6 
9*9 
9-9 
10*1 
25 21 
51-1 
4*5 
4*5 
8-6 
8-3 
7-5 
29 21 
53-5 
4-0 
4-0 
4-0 
4-0 
5-9 
Half-cloudy. 
1 21 
53-1 
2-8 
7-1 
7-8 
4-9 
9‘5 
9-1 
3 21 
59-1 
2*3 
3-1 
M 
3-3 
2-6 
4-6 
6 21 
52-2 
3-7 
5*2 
5*9 
5-5 
6-8 
14 21 
55-4 
3-9 
10-4 
5-4 
8-6 
5-4 
15 21 
57-2 
3-3 
7-2 
6-4 
5-0 
6-2 
30 21 
51-9 
5-4 
5*4 
7*0 
6-6 
7-9 
31 21 
50-1 
5-1 
5*1 
8-1 
7-3 
6-1 
Principally cloudy. 
5 21 
55-8 
3-0 
1-8 
3-0 
3-6 
10 21 
54-8 
1-2 
0-8 
5-4 
0-8 
1*6 
21 21 
55-1 
4-7 
4*7 
6-8 
6-4 
8-1 
22 21 
51-7 
1*7 
1-7 
3-7 
4*7 
1*1 
26 21 
57‘3 
4-8 
4-8 
5-1 
4-8 
6*8 
27 21 
56-6 
4-6 
4-6 

4-6 
4-4 
6’4 
Cloudy. 
11 21 
52-8 
5-8 
1-2 
1*8 
3*8 
12 21 
55-3 
1*3 
M 
1*1 
0-9 
1*8 
18 21 
52-3 
3-8 
3-8 
9-6 
5*1 
7-3 
20 21 
54-1 
4-0 
4-0 
4-0 
4-1 
5-1 
28 21 
53*1 
0-2 
0-2 
-o-i 
— 0-2 
1*1 
