入(rù )春后(hòu ),随着暖(nuǎn )湿气流(liú )开始(shǐ )活跃,其(qí )与冷(lěng )空气“狭(xiá )路相逢”,就酝酿出(chū )一场又(yòu )一场的春(chūn )雨。在(zài )浙江(jiāng ),3月当地(dì )雨水较(jiào )常年同期偏少六成(chéng )左右,其(qí )中丽(lì )水庆元、丽(lì )水(shuǐ )青田、温州文成(chéng )等地的日照时数不足1小时(shí ),为有历史记录(lù )以(yǐ )来的(de )同(tóng )期(qī )第(dì )一少。
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