北海市（10月19日）
北海市内绕圈赛比赛当天（10月19日），北海市平均气温24.6℃，平均昼夜温差7℃，极端最高气温32.4℃，极端最低气温15.6℃，日最高气温大于30℃的概率为32.8%。日照略多，平均日照时数5.9小时，最多11小时。
10月19日北海市空气湿度较大，平均相对湿度为75.5%，历史最大相对湿度为97%，最小相对湿度为43%，相对湿度大于80%的潮湿天气出现概率为38.1%。
10月19日北海市平均日降水量2.4毫米，降水概率为25%，中雨以上降水出现的概率为14.1%，暴雨以上降水出现的概率为1.6%，最大日降水量为151.2毫米。雷电较少，出现的概率仅3.1%。
10月19日北海市能见度较好，平均能见度有12.5公里，雾、霾出现的概率较小，分别为1.5%、4.6%。平均风速3.4米/秒，历史极大风速为19.5米/秒，是2016年台风“莎莉嘉”影响时出现。
Beihai city(Oct.19)
For the race day of bicycle round in Beihai stage (Oct. 19), the mean tempera-ture is 24.6℃, the average diurnal temperature is 7℃, extreme maximum temperature is 32.4℃, extreme minimum temperature is 15.6℃, and the probability of daily maximum temperature higher than 30℃ is 32.8%. Sunshine is a little bit above average value with the mean sunshine duration 5.9 hours and the most is 11 hours.
Humidity of Beihai is higher than average value on October 19, and the mean relative humidity is 75.5%, the highest is 97%, the lowest is 43%, and the probability of moist weather that relative humidity is more than 80% is 38.1%.
Daily mean precipitation of Beihai is 2.4mm on October 19, and the probability of precipitation is 25%, the probability of above moderate rain class is 14.1%, the probability of above heavy rain class is 1.6%. The maximum daily precipitation is 1.5-1.2mm. While the incidence of thunder and lightning is scarce and its probability is only 3.1%.
Visibility of Beihai is clear on October 19, the mean visibility is 12.5km, the probabilities of fog or haze is 1.5% and 4.6%. Mean wind speed is 3.4m/s, extreme strong wind was 19.5m/s, which observed during the influenced period of typhoon ‘Sarika’ in 2016.
Table 1 Statistics of meteorological elements in historical period for the race day of Beihai Stage(Oct.19th)
查天气
关注“广西天气”微信公众号
