AT NIGHT, FROM THE EARTH, ETC. 173 
Table LXXIX. 
General state of the sky 
during the night previous to 
reading the instruments. 
1843. 
May. 
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 
fths of sky. 
On short 
grass. 
On garden 
mould. 
One inch 
high. 
Three 
inches 
high. 
In focus of 
metallic 
reflector. 
Cloudless. 
d h 
1 21 
46-3 
O 
5-0 
8-4 
O 
3-0 
O 
9*1 
O 
5-2 
10-5 
10 21 
39-9 
6-9 
11 9 
4-9 
13-7 
10-1 
10-4 
Principally clear. 
2 21 
40-7 
2-9 
7-0 
1*7 
6-8 
4-1 
7-7 
6 21 
35-4 
1-4 
1-2 
1*4 
4-8 
3-6 
6-4 
7 21 
37-3 
4-0 
1-4 
3-7 
9-9 
8-0 
9-3 
11 21 
40-3 
4-4 
10-4 
4-4 
10-8 
9-1 
8*8 
14 21 
54-5 
7-0 
7-8 
5-9 
7-5 
7-8 
6-9 
25 21 
47*3 
3-3 
3-2 
3-0 
6-8 
6-8 
5-8 
28 21 
45-2 
8-7 
4-0 
3-0 
6-5 
7-7 
9-0 
Half-cloudy. 
4 21 
47-1 
7-3 
10-9 
3-5 
10-1 
8-7 
4-8 
21 21 
44-4 
1*9 
1-4 
2-4 
5-4 
6-6 
5-1 
22 21 
48-1 
2-7 
5-1 
3-0 
6-4 
6-2 
5-2 
24 21 
48-5 
4-5 
9-0 
8-0 
7-3 
8-8 
5-3 
Principally cloudy. 
9 21 
42-8 
3-8 
4-3 
2-2 
8-8 
6-9 
7*3 
19 21 
47*5 
7-0 
4-3 
7*3 
7-3 
7*7 
26 21 
47-3 
3-3 
4-3 
2-3 
4*3 
3-3 
5-8 
27 21 
44-8 
3=3 
4-6 
2-2 
4-6 
5-0 
3-0 
29 21 
38-5 
3*5 
3-0 
3-3 
9-5 
9-0 
9*2 
31 21 
55*3 
2-1 
1*1 
1-5 
1-9 
2'1 
1*5 
Cloudy. 
3 21 
37-3 
-2-7 
1-3 
— 4-2 
1-3 
0-2 
— 0-2 
5 21 
50-2 
2-4 
0-9 
1-4 
2-7 
2-7 
2*0 
8 21 
38-0 
1*0 
— 1-0 
o-o 
1-5 
1-2 
-4-0 
12 21 
51-3 
7-5 
5-5 
6-0 
3-3 
7-6 
2-1 
13 21 
45-0 
3-0 
4-5 
-0-5 
4-5 
3-5 
3-8 
15 21 
49-4 
5*4 
2-1 
2-4 
3-4 
3-2 
3-7 
16 21 
49-3 
9-3 
6-3 
7*3 
10*3 
5-0 
17 21 
44-0 
2-0 
0-0 
1-8 
4-0 
4-0 
4*5 
18 21 
44-8 
1-7 
-0-9 
0-7 
1*5 
2-9 
3-8 
20 21 
50*3 
7-0 
7-0 
4-1 
6-7 
9-3 
8-6 
23 21 
52-6 
4-6 
6-1 
5*8 
8-9 
9-0 
2*8 
30 21 
50-3 
3 3 
1*9 
2-2 
3-0 
3-1 
2-8 
