Agreement No. CE 45/2008 (CE) Liantang/Heung Yuen Wai Boundary Control Point and Associated Works 2nd Quarterly Environmental Monitoring and Audit Summary Report –
Weather Condition Extracted from HKO
The weather of November 2013
The weather of November 2013 was mainly attributed by Severe Typhoon Krosa and Super Typhoon Haiyan, the weather of November 2013 was wetter than usual. The total rainfall of the month was 83.1 millimetres, more than double of the normal figure of 37.6 millimetres. The accumulated rainfall since 1 January was 2759.0 millimetres, about 16 percent above the normal figure of 2371.6 millimetres for the same period. It was also gloomier than usual with 133.4 hours bright sunshine, about 26 percent below normal. The monthly mean temperature of 21.7 degrees was slightly below the normal figure of 21.8 degrees.
The weather of December 2013
Under the influence of cold spells brought by the winter monsoon during the second half of the month, the weather of December 2013 was significantly colder than usual. The monthly mean temperature of 16.1 degrees was 1.8 degrees below the normal figure of 17.9 degrees, the lowest for December since 1975. The active winter monsoon also maintained generally dry conditions for most parts of the month, and yet the month turned out to be much wetter than usual in terms of rainfall due to the rainy episode between 14 and 17 December. The total rainfall of the month was 88.3 millimetres, more than three times the normal figure of
26.8 millimetres and the tenth highest for December on record. The annual total rainfall of 2013 was 2847.3 millimetres, about 19 percent above the normal figure of 2398.5 millimetres.
The weather of January 2014
Under the dominance of a dry northeast monsoon for most part of the month, the weather in January 2014 was sunnier and drier than usual. The mean amount of cloud for the month was 32 percent, tied with 1986 as the fourth lowest record for January. With less cloud cover, the total duration of bright sunshine in the month was 238.8 hours, tying with 1902 as the sixth highest record for January. Only traces of rainfall were recorded in the month, making it one of the second driest Januarys on record. The monthly mean temperature of 16.3 degrees was on par with the normal.
Remark: The meteorological data during the Reporting Period is presented in the relevant monthly EM&A report.
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