Natural conditions of Qingdao port

Wind conditions: south wind and southeast wind in summer, north wind and northwest wind in winter. Every year, there are about 8 windy days above level 7; Typhoons occur about 1~2 times a year, and have little impact on the port.

Precipitation: The average annual precipitation is 755.6 mm, with the highest rainfall from June to August, accounting for 70% of the whole year. Fog condition: the annual average foggy day is 5 1.6 days, with the maximum from April to July every year, which has little impact on shipping and production.

Temperature: annual average temperature 12. 1℃, extreme maximum temperature 35.4℃, extreme minimum temperature-16℃.

Tide: regular semidiurnal tide type, with an average high tide level of 3.85m, an average low tide level of1.08m, a maximum high tide level of 5.36m and a minimum low tide level of 0.70m.. ..

Tidal current: it belongs to semi-diurnal tidal current, and is generally characterized by higher flood speed than ebb speed, and shorter flood time than ebb time. Tidal current basically belongs to reciprocating flow, and the maximum velocity direction is parallel to the coast. The maximum tidal current velocity in Qianwan is 0.5 1m/s, and the maximum ebb current velocity is 0.33 m/s. ..

Waves: The waves in Jiaozhou Bay are mainly the waves in the small wind area in the bay and the refracted waves and diffracted waves passing through the bay mouth.