Month.
THE HONGKONG GOVERNMENT GAZETTE, 28ти MAY, 1892.
Barometric Tide.
Mean Diurnal Variability of Temperature.
Table XVI.
TEMPERATURE.
Observatory.
Peak.
Mean Mean Mean Mean Min. Max.
Days with Rain.
Hourly Intensity
of Rain.
MEAN DIRECTION OF CLOUDS
WHENCE COMING,
519
Number
of
Days
with Clouds below.
Lower.
Upper.
Cirrus.
Max.
Min.
2,000 ft. 1,000 ft.
January,
February,
March,.
0.105
0.108
1.90
2.09
63.1 56.1 57.9 50.5
6
0.026 E 8° SW 6° S
W
15
5
58.2 52.1 53.5 46.3
H
0.025 E 1°N│W_5° S
W
16
8
0.100 2.32
66.1 59.0 62.4 54.4
12
0.064 E 31° S W 13° S
W
22
11
April,
0.093 2.09
74.4 67.1
68.7 61.9
14
0.088 E 57° SW 9° SW 6°S
May,
0.084
1,66
80.4 73.5
73.1
67.6
17
0.090 S 19° E W 11° NW 26° N
June,
0.071
1.38
84.4 77.5
76.0
71.3.
21
0.175 S 1° E W 67° N N 18° E
2 2 2
24
12
22
6
20
3
July,
0.065
1.06
85.5 78.1 77.9
73.2
21
0.180 S 16° E E 44° N N 32° E
16
August,
September,
October,
November,
December,
0.072 1.13 85.0
0.079 1.04 84.3 77.0 77.5
0.088 1.21 79.1 72.7 73.4 66.6
0.103 1.62 73.4 65.7 66.7 58.9
0.108 1.99* 66.8 59.3 60.6 51.8
77.8 77.7
72.7
17
0.175 S 16° W E 47° N N 40° E
14
2
71.6
13
0.156 E 6° S E 65° N N 20° E
7
0.127E 7° NW 4° S
N
5
I
0.046 E 17° N ❘ W 33° SW 22° S
0.038 E 6° N W 21° S W
3
0
Means,
0.090 1,63 75.1 67.9 68.8 62.2 148
0.098 E 34° SW 31° N ❘ N 43° W 14
Table XVII.
Five-yearly means of Readings of Solar Radiation Thermometers and Excess over Maximum Thermometers as well as Excess of Minimum over Terrestrial Radiation Thermometers, mean Weight of Aqueous Vapour in Troy Grains in each cubic foot of air and Diurnal Range of Temperature at the Observatory and at the Peak, and average height in feet corresponding to a decrease of 1o in the temperature.
Solar Radiation Thermometer.
Solar Radiation Excess over Maximum.
Terrestrial Radia- tion.
Weight of Aqueous Vapour.
Diurnal Range.
Month.
Height of 1° Decrease.
Obsery- atory.
Peak.
Observ- atory.
Poak
Observ. atory.
Peak.
Observ-
atory.
Observa-
Peak.
Peak.
tory.
January,
February,
March,
114.0 108.7
50.8
51.2 +2.4 +2.5
4.31
4.14
100.0
115.1
99.4
41.8
45.9 +1.5
+1.8
3.89
3.75
110.7
49.0
48.4 +1.5
+1.2
5.29
5.10
April,
124.7 116.7
50.3.
49.1 +1.5 +1.1
6.88
6.49
May,
135.8 125.3
55.4
52.2 +1.8 +1.0
8.18
7.62
June,..
138.5
126.5
54.1
50.5 +2.6 +0.8
9.11
8.54
July,
141.0
133.7
55.5
55.8 +2.5 +0.8
9.42
8.81
August,.
139.9 133.4
54.9
55.8 +2.3 +1.4
9.27
8.69
September, 142.0 136.8
57.7
59.3
+3.6 +1.8
8.41
8.05
A 3 R R 3 3 2 3 8
7.0
6.1
7.1
7.3
6.9
6.9
7.4
7.7
7.8
86558 8 8 N N
7.4
314
7.2
326
8.0
501
6.8
402
304
4.7
259
4.7
274
1.9
291
6.9
282
October,
136.8 130.8
57.7
57.4
L
November,
131.2
123.5
57.8
+ 4.2
56.8 +4.7 +2.6
+2.1
6.83
6.74
6.1
6.3
275
5.01
5.02
7.7
7.8
272
December,
122.1 117.3
55.3
56.7 +5.1
+2.1
4.06
3.99
7.5
8.8
280
L
Mean,..
128.4
121.9
53.4
53.2 +2.8 +1.6
6.72
6.11
7.1
6.5
315