入(rù )春(chūn )后,随着暖湿气流(liú )开始(shǐ )活跃,其(qí )与冷空(kōng )气(qì )“狭路相逢”,就(jiù )酝酿(niàng )出一场又一场的(de )春(chūn )雨。在浙江,3月当(dāng )地雨水较常(cháng )年同(tóng )期偏少六成(chéng )左右(yòu ),其中丽水庆元、丽(lì )水青(qīng )田、温州(zhōu )文成等(děng )地的日照(zhào )时(shí )数不(bú )足1小时,为(wéi )有历(lì )史记录(lù )以来的同期第一少。
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