入春后(hòu ),随着暖湿气流开始(shǐ )活跃(yuè ),其与冷空气“狭(xiá )路相逢”,就酝酿(niàng )出一场(chǎng )又一场(chǎng )的春(chūn )雨。在浙江,3月当地(dì )雨水(shuǐ )较常年(nián )同期偏(piān )少(shǎo )六成(chéng )左右,其中(zhōng )丽水庆(qìng )元(yuán )、丽水(shuǐ )青田(tián )、温州文成等地的日(rì )照时数不足(zú )1小时,为有(yǒu )历(lì )史记(jì )录(lù )以(yǐ )来的同期第(dì )一(yī )少。
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