入春后,随着暖(nuǎn )湿气流开始(shǐ )活跃,其(qí )与冷空气“狭路相逢”,就(jiù )酝酿(niàng )出一场又(yòu )一场的春雨。在浙(zhè )江,3月(yuè )当地(dì )雨水较常年(nián )同期(qī )偏少六成左右,其中(zhōng )丽水(shuǐ )庆元、丽(lì )水(shuǐ )青(qīng )田(tián )、温州(zhōu )文成等地的日(rì )照时数(shù )不(bú )足(zú )1小时(shí ),为有(yǒu )历史记录以来的同期第(dì )一(yī )少。
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