Table II.
Monthly and Annual Means of the Principal Meteorological Elements at the Hongkong Observatory for the year 1910, and departure from the mean of 25 years, 1884 to 1908 inclusive, ( + excess; - defect).
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Year Bar. Pressure at M.S.L. * 30.113 30.089 30.040 29.953 29.852 29.809 29.752 29.727 29.801 30.017 30.062 30.180 29.949 Departure -0.047 +0.056 +0.019 -0.004 +0.011 +0.047 +0.023 -0.016 -0.036 Temperature 61.8 60.0 63.3 69.6 78.9 82.3 82.3 82.2 79.7 75.3 68.7 59.7 72.0 Departure +1.7 -2.0 +0.6 +0.5 +2.1 +1.6 +0.5 +0.9 +0.7 +1.0 +0.5 -3.0 +0.3 Rel. Humidity %...... 78 84 82 81 77 83 82 81 77 72 70 66 77 Departure .... +2 +3 +6 +4 +1 +2 +1 +1 +0 -5 -5 +0 +1 Vap. Tension (Inches of Mercury) 0.433 0.412 0.502 0.605 Departure +0.038 +0.033 +0.019 +0.032 Sunshine (Total hours) 141.1 141.2 91.1 135.2 261.3 242.1 261.9 190.3 1,753.48.7 Departure +30.9 +107.5 +85.9 +60.1 Cloudiness% 58 64 73 80 87 56 44 64 58 Departure -10 +6 +9 +12 +1 -19 -13 +7 +13 Rainfall (Total Inches) 0.885 0.405 0.580 3.725 1.955 18.190 15.905 11.155 70.120 Departure -0.573 -1.345 -2.283 -2.157 -1.310 +10.310 +4.807 +1.135 +3.046 +6.313 Wind Direction N + 18 E 14° NE 4° NE 6° NE 10 NE 16° SS 15° ES 13° WS 17° W 6° E 8° N E 16° Departure +10 +0 +0 +3 +0 +22° +47° +58° 15.950 0.045 2.535 0.790 -4.517 +1.083 -0.395 +14.318 E 16° N E 6° NE 21° NE 42° +12° +5° +13° +8° Vap. Tension (Inches of Mercury) 0.761 0.874 0.894 0.916 0.632 0.507 Departure 0.012 +0.07 +0.01 +0.32 -0.20 +0.29 Sunshine (Total hours) 161.3 237.9 156.4 Departure -11.3 +35.3 +25.6 +33.2 Cloudiness% 75 44 64 Departure +7 +13 +0 -31 Rainfall (Total Inches) 0.348 0.643 Departure -0.41 +0.07 Wind Velocity (Miles per hour) 12.7 16.2 14.0 14.1 9.4 11.0 10.9 7.8 Departure -1.1 +1.7 -1.9 +0.8 -3.6 +1.4 +0.0 -1.9 +1.2 14.4 14.2 0.2 +1.1 Wind Velocity (Miles per hour) 9.1 12.2 Departure +3.3 +0.9*Not corrected to Standard Gravity.
Table II.
Monthly and Annual Means of the Principal Meteorological Elements at the Hongkong Observatory for the year 1910, and departure from the mean of 25 years, 1884 to 1908 inclusive, ( + excess; defect).
T
Jan.
Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Year.
Bar. Pressure at
M.S.L. *
Departure
Temperature
Departure
Rel. Humidity %......
Departure ....
76 + 2+
82 3
79
6
4
30.113 30.089|30,040| 29.953 29.852 29.809 29.752 29.727 | 29.801| 30.017 | 30.062 | 30.180 -.047 .056 .019
.004
.011} +:047 |+ .023
-.016 61.8 60.0 63.3 69-6 78.9 82.3 82.3 82.2 +1.7 2.0+ 0.6 0.52.1+ 1,6 + 0.5 + 0.9
78 84
77
$1 83 2+ 1
1
0+
29.949
.036 + .032
.045.009
.011
79.7 75.3
68.7 59.7
72.0
07
1.0
0.5
3.0
+0.3
82
72
70
66
77
5+ 1+ 5
0
Vap. Tension (Inches
of Mercury)
Departure
Sunshine (Total hours)
0.433 0.412 0.502 0.605 +.038 + .033 ¦ + .019 .032 141.1 141.2 91.1 135.2
Departure
Cloudiness%
73
Departure
+ 9
64 12
87
80
1
56 19
Rainfall (Total
Inches)
Departare
Wind Direction
Departure N + S...
58 10+ 6 + 18
0.885 0.405 0.580
3.725 1.955 18.190) 15.905|11 155 -0.573—1.345 -2.283 -2.157 10.310 4807+1.135 3.046 E 140 NE 4° NE 69 NE 10 NE 16° SS 15° ES 13° WS 17° W
0° +100+ 10 00 + 30+ 22° 47° + 580
15.950 0.045 2.535 0.790 70.120 +6.313 -4.517+1.083 −0.395 14.318 E16° N E 6° NE 21° NE 42° N E 16° S
5° 13° 8° 17° + 120
63
13
0.761 0.874 0.894 0.916
0.632 0.507 012007+.001 | +.032 + .029 − .020 | + .029 261.3 242.1 261.9 190,3
161.3 237.9 156.4 1.753.48.7 +30,9 +107.5 + 85.9 + 60.1 | 11.3 35.3 + 25.6 33.2 75 44 64
7+13+
0 $31
0.348
0.643
-.041 +.007
168.2 2188.0
11.0279.6
70
58 7
66
Wind Velocity
(Miles per hour)
12.7
16.2 14.0
14.1
9.4
11.0
10.9
7.8
13.1
Departure
1.1
1.7
-
1.9
0.8.
3.6
1.4
00
-
1.9
1.2
14.4 14.2 0.2+ 1.1
9.1
12.2
3.3
0.9
*Not corrected to Standard Gravity.
E 8
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