F 3
Table I.
Errors of Time Ball in 1908.
— means too late.
+ means too early.
Date. Jan. Feb. Mar. April. May. June. July. Aug. Sept. Oct. Nov. Dec.
1 +0.2 0.1 0.1 +0.3
2 +0.5 0.1 -0.2 0.1 +0.7 +0.2 -0.4 +0.2 +0.9 +0.2 -0.2 -0.6 0.1 +1.3
...
14 -0.3 -0.3 0.1 +1.7 +0.3 0.1 0.1 +2.0 +0.5 0.1 +0.2 0.1 +0.7 0.1
9 0.1 -0.2 +0.9 0.1 +0.2
10 0.1 -0.4 -0.2 +1.1 +0.2
11 -0.3 -0.8 -0.3
12 -1.0 -0.5
13 0.1 -1.3 0.1
14 0.1 -1.4 0.3
15 0.1 +0.3 13 13 12 0.1 -0.2 0.1 0.1 +0.3 0.1 0.1 +0.6 0.1 0.1 +0.4
16 +0.3 0.1 0.1 0.1
17 +0.5 +0.2 0.1
18 +0.4 0.1 +0.2
19 -0.2 0.1
20 0.1 0.1 0.1
21 0.1 0.1 0.1 -0.2
22 0.1 0.1 -0.5
23 +0.2 0.1
24 +0.4 0.1 0.1
27 +0.5 -0.2 0.1
26 ... 0.1 0.1 -0.2 +0.2 0.1 0.1 +0.2 +0.2
29 0.1 +0.2 -0.2
30 0.1 0.1 0.1 +0.3 +0.2 -0.2 0.1 +0.3 0.1 0.1 -0.3 0.1 -0.3 0.1 -0.2 -0.3 0.1 0.1 -0.3 0.1 -0.3 0.1 -0.2 0.1 -0.2 0.1 0.1 0.1 0.1 -0.2 0.1 0.1 0.1 +0.2 0.1
31 0.1 -0.2 0.1 0.1
Table II.
...
Monthly and Annual Means of the Principal Meteorological Elements at the Hongkong Observatory for the year 1908, and departure from the mean of 25 years ( + excess, - defect).
Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. Oct. Nov. Dec. Year
Bar. Pressure at M.S.L. * 30.196 +.036 62.0 61.2 68.5 30.125 | 30.094 | 29.945 | 29.871 † 29.784 .020 +.035 − .012] + .008 | + .022 58.3 801.2 76.1 82.3 82.1 $0.9 29.729 29.716 29 8359 29.916| 30.086 | 80 134 ,000 |— .027 ¦ + .022 069 -.021 -.037 76.8 70.2 63.3 29.955 .005 71.8
Departure +1.9 0.3 1.5 1.5 0.7 0.5 + 0.5 +0.8 0.5
Rel. Humidity - 78 76 76 89 79 84 82
Departure + + 0 7+ * 1 Ο 0.5+ 1.0+ 0.6 83 84 78! 63 76 70 0+ 7+ 7 2+ 10+ 2
Vap. Tension (Inches of Mercury) 0.1
Departure + 0.4 0.4 + 63.6
Cloudiness 76 83
Departure 0.443 0.383 +.048.004
Sunshine (Total hours) 143.2 87.4 146.0
Departure + 12+ 7 — 0.424 0.621 .059 .016 80.8 219.3 — 23.5, + 65.5
Rainfall (Total Inches) 67 17+ 6
Departare Wind Direction 0.717 0.871
Departure NS. Wind Velocity (Miles per hour) Departure 2.640 2.830 +1.1821.080 E 120 NE 18° NE + 2o 40 0.906 0.912 0 $80 0.723 0.482 0.447 0,651 .050 ¦ + .004 +013+.028 +078+ 071]+.004 | + .058 | +.015 147.8 227.0 219.9 179.8 174.4 189.8 101.7 8.4 + 25.2 +183 84 12+ 8 1917.I 16 8 — 37,9 + 0.2|—77.5 + 8.7 66 67 69 60 781 72 3+ 2 + 10+ 18+ 9+ 2 + 6 0.765 11.150 1.325 15.243 | 22,265| 12.065 13.720 5.440 0.145 4.285 91.$75 2.098 +5.268 −10.970—1.138 +-9.495 |—2.136 +4.083 +0.878 -1.307 +3.100 +7,437 90 NE 10 NE 2° NE 47° SS 120 WE 18° SE 13° NË 19° NE42° NE380 NEPS - סן 6° + 46° - 11.3 14.8 15.4 18.9 2.51+ 0.3 -0.54.0 * Not corrected to Standard Gravity. 40 150 - -- 310 20 0° 13° ― 13° 12.3 13.0 9.1 0.71+ 0.6 K 1.8 7.1 2.6 9.0 - 17.2 11.7 10.5 2.9+ 2.6|— 14 1.9 1 1 1 30 12.5 0.6