国家气象中心：1月我国气温偏高 降水较常年同期偏少

Core Insights - January saw higher than average temperatures in China, with significant fluctuations due to frequent cold air intrusions [2] - Precipitation levels were notably lower than the historical average, leading to drought conditions in several regions [2] Temperature and Weather Patterns - The average temperature from January 1 to 27 was -4.2°C, which is 0.7°C higher than the same period in previous years [2] - There were four cold air events, which is 1.2 times more than the historical average, with a significant cold wave occurring from January 16 to 21 [2] - The cold wave resulted in temperature drops exceeding 12°C over an area of approximately 2.78 million square kilometers, with 63 stations reporting drops of 20°C or more [2] Precipitation and Drought Conditions - The national average precipitation was 4.5 mm, which is 65.1% lower than the historical average for January [2] - Drought conditions have developed in southeastern East China and eastern South China, with areas experiencing moderate to severe drought [2] Dust Storm Events - Two dust storm events affected China in January, specifically from January 8 to 10 and January 17 to 19 [3] - The latter event reached sandstorm levels, impacting regions such as eastern and southern Xinjiang, central Gansu, and parts of Qinghai and Ningxia [3]