柳州—鹿寨—桂林(10月23日)
柳州—鹿寨—桂林赛段比赛当天(10月23日),柳州、鹿寨、临桂、桂林平均气温19.4~21.3℃,平均昼夜温差8.4~9.6℃,气温变化较大,极端最高气温30.9~33.4℃,极端最低气温8.6~10.3℃。日最高气温大于30℃的概率柳州、鹿寨为16.7%~20.0%,桂林、临桂为6.1%~9.4%。平均日照时数4.4~4.7小时,最多10.2~11.0小时。
柳州、鹿寨、临桂、桂林10月23日平均相对湿度为66.7%~69.6%,历史最大相对湿度为94%~96%,最小相对湿度为32%~41%,相对湿度大于80%的潮湿天气出现概率为12.7%~20.8%。
柳州、鹿寨、临桂、桂林10月23日平均日降水量3.4~5.6毫米,降水概率为18.3%~27.3%,中雨以上降水出现的概率为4.5%~7.5%,暴雨以上降水出现的概率为1.5%~3.3%,最大日降水量为50.7~113.0毫米。鹿寨、临桂、桂林雷电出现概率为5.0%~7.4%,柳州基本上没有雷电出现。
10月23日柳州、鹿寨、临桂、桂林能见度较好,平均能见度有12.4~14.8公里,基本没有雾;鹿寨霾出现的概率仅1.7%,柳州、临桂、桂林霾出现的概率为9.1%~18.2%。柳州、鹿寨平均风速1.7~1.9米/秒,临桂、桂林平均风速2.2~3.3米/秒,历史极大风速为17.6米/秒。
Liuzhou-Luzhai-Guilin(Oct.23th)
For the race day of Liuzhou-Luzhai-Guilin stage(Oct.23th), the mean temperature of Liuzhou ,Luzhai, Lingui and Guilin is 19.4~21.3℃,the average diurnal temperature difference is 8.4~9.6℃.Temperature changes significantly in this stage: extreme maximum temperature is 30.9-33.4℃, and extreme minimum temperature is 8.6-10.3℃, the probability of temperature higher than 30℃ in Liuzhou and Luzhai is 16.7-20.0%, and 6.1-9.4% in Guilin and Lingui. Mean sunshine duration is 4.4-4.7 hours, with the most 10.2-11.0 hours.
Mean relative humidity of Liuzhou, Luzhai, Lingui and Guilin is 66.7-69.6%, the highest relative humidity is 94-96%, the lowest is 32-41%, the probability of moist weather that relative humidity is more than 80% is 12.7-20.8%.
Daily mean precipitation of Liuzhou, Luzhai, Lingui and Guilin is 3.4-5.6mm on October 23, the probability of precipitation is 18.3-27.3%, probability of above moderate rain class is 4.5-7.5%, probability of above heavy rain is 1.5-3.3%.The most daily precipitation is 50.7-113.0mm.Probability of Thunder and lightning in Luzhai, Lingui and Guilin is 5.0-7.4%,and that never occurred in Liuzhou.
Visibilities of Liuzhou, Luzhai, Lingui and Guilin are clear on October 23, mean visibility is 12.4-14.8km. Fog is scarce. Probability of haze in Luzhai is only 1.7%, and that of in Liuzhou, Lingui and Guilin is 9.1-18.2%. Mean wind speed is 1.7-1.9m/s in Liuzhou and Luzhai, 2.2-3.3m/s in Lingui and Guilin, with extreme strong wind 17.6m/s.
Table 5 Statistics of meteorological elements in historical period for the race day of Liuzhou-Luzhai-Guilin Stage(Oct.23th)
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