青州气象条件.doc

气象条件青州市位于山东省中部。地处东经11810至11846，北纬3624至3658。东邻昌乐县，南接临胊县，西连淄博市的淄川区、临淄区，正北与广饶县接壤，东北与寿光县毗连。东西最大距离53.6公里，南北最大距离60.6公里，面积1569平方公里。属暖温带季风大陆性气候。冬季寒冷、雨雪稀少；春季回暖快，多风，雨水较少；夏季雨热同季、降水集中；秋季日照充足、多晴好天气。除静风天气外，该区域盛行风向较为集中，全年以西南(WS)风出现频率最高为14.89%；春季、秋季和冬季均以西南(WS)风出现频率最高；夏季以东南(ES)风出现频率最高，西南(WS)风次之。全年及夏季最小风频为东北偏北风（ENN），全年及各月的静风频率较近五年值均有不同程度的变化，各月盛行风向亦有所变化。多年平均气温12.7，全年各月平均气温差异很大。最热为7月份，月平均气温26.3。最冷为1月份，月平均气温为2.9。年较差为29.2。极端最高气温40.9（1959年8月1日）；极端最低气温19.3（1958年1月15日）。夏季室外通风设计计算温度30.1。年平均风速为3.1米/秒，7、8、9、10各月风速小于平均风速，其他各月大于年平均风速，春季风速最大，且西南风多。该地各项气象要素见表2-1，2-2。表2-1 青州市各月及年各气象要素一览表月份123456789101112全年气压(hPa)1012.41010.91006.21000.6996.8992.3991.4995.31002.31007.61010.21015.51003.4气温(0C)-15.620.925.326.725.121.313.8降水量(mm)11.519.49.936.766.4109.4157.2158.087.940.325.210.4732.3蒸发量(mm)52.076.9153.7224.0243.0243.0196.1171.7158.3129.082.046.61776.3相对湿度(%)53524546546074766960585758最多风向SWSWSWSWSESESESESWSWSWNWSW日照时数(h)190.4177.6215.8237.9264.6218.9198.2205.2197.9201.9188.4158.02454.8大风天数(天)0.00.00.00.20.00.00.00.00.01.2降水日数(天)7.47.614.015.84.67.0104.2雾日数(天)1.00.00.00.0雷暴日数(天)0.02.01.20.00.20.024.6表2-2 青州各月、各季、全年各风向出现频率(%)风向NNNENEENEEESESESSESSSWSWWSWWWNWNWNNWC1月2.431.892.960.272.963.234.040.000.811.0825.074.5816.448.0910.512.1613.482月2.352.352.9410.290.293.533.2416.473.5310.004.7112.653.2414.713月60.813.765.117.262.155.382.4213.715.9111.834.038.334.0314.254月3.891.943.893.065.004.4411.113.064.446.1113.617.228.334.446.674.178.615月3.791.903.251.904.078.6712.478.135.676.783.795.692.1715.186月3.891.393.061.675.835.2811.675.565.005.5612.223.064.443.893.893.3320.287月2.960.542.421.084.305.6515.326.994.842.697.533.232.965.116.723.2324.468月3.762.964.842.692.964.3011.563.495.912.429.144.577.263.236.724.5719.629月4.721.672.222.781.114.7210.004.724.443.6116.397.506.942.225.832.5018.6110月2.961.881.340.541.851.882.6921.7711.0211.566.186.725.6516.4011月4.170.833.060.562.501.395.830.003.890.8316.678.0611.945.5610.563.6120.5612月2.420.540.811.343.491.884.030.811.880.5416.942.1517.748.0614.783.2319.35春季4.272.003.631.914.276.0910.264.455.184.5412.175.098.994.096.903.4512.72夏季3.531.633.441.814.355.0712.865.345.253.539.603.624.894.085.803.7121.47秋季3.941.472.201.281.832.756.322.293.392.3818.328.8810.164.677.693.9418.50冬季2.401.572.221.573.23