9. Weather forecasts, storm warnings and time signals are distributed by radio telegraphy as detailed in the "Notice to Mariners" issued by this Department: Storm warnings to Hong Kong and vicinity are also given by means of the Local and Non-Local Signal codes. A telegraphic adaptation of the Non-Local Code is used for issuing warnings by cable to places outside the Colony.
10. The following table gives the results of the weather forecasts for the past 5 years. The methods of analysis are described in the 1918 Report.
Year Complete Success Partial Success Partial Failure Total Failure % 1927 70 26 4 31 3 1928 66 28 2 1929 70 28 2 1930 65 31 4 1931 67 30 3 1932 71 27 211. Local signals, day and night, have been hoisted during the past 5 years according to the following table.
Warning Signal Signals 2-9 Signal No. 10 Bombs Year Number of times Number of hours displayed Number of times Number of hours displayed Number of times fired 1928 10 58 3 46 1 1929 28 104 5 37 1930 88 88 1931 93 101 IN TIM tin 1932 HMIA 2.0V. METEOROLOGICAL OBSERVATIONS FROM SHIPS, TREATY PORTS, ETC.
12. In addition to meteorological registers kept at about 40 stations in China, meteorological logs were received from 112 ships operating in the Far East. These logs, representing 5,111 days observations, have been used for amplifying the weather maps and verifying typhoon tracks. The corresponding figures for 1931 were 134 and 7,843.