Group 1 - The core viewpoint of the article highlights that the climate in Qinghai Province in 2025 exhibited characteristics of higher temperatures across all seasons, uneven precipitation distribution, and an increase in extreme weather events [1][3]. Group 2 - The average annual temperature in Qinghai was recorded at 3.5°C, which is 0.7°C higher than the normal level, marking it as the fourth warmest year since 1961 [3]. - All four seasons experienced higher temperatures, with autumn showing the most significant increase of 1.0°C. July and October recorded the highest average temperatures for those months since 1961 [3]. - The total annual precipitation was 384.5 millimeters, close to the normal level, but with significant seasonal disparities; spring precipitation was 30.6% lower than normal, marking the lowest in 25 years, while summer and winter saw slightly increased precipitation [3]. - There was a notable increase in extreme weather events throughout the year, including the highest number of heavy rain occurrences in July and the latest recorded heavy rainfall in October since 1961 [3]. - Spring faced severe drought conditions in the eastern region, with the highest frequency of sandstorm events in the past 20 years [3]. - The year also experienced rare extreme temperature drops at the end of winter and early spring, along with numerous high-temperature events in summer [3]. - Overall, the climate in Qinghai in 2025 was characterized by significant seasonal fluctuations, with abrupt changes in drought and flooding conditions, impacting ecology, agriculture, and the daily lives of residents [3].

Core Viewpoint - The weather patterns in Henan province this year show a significant contrast between a dry and hot main flood season and a rainy September, impacting the agricultural schedule for the "Three Autumns" period [1] Weather Trends - The main flood season from June to August experienced a 20% decrease in average rainfall compared to the historical average, with the highest average temperature recorded since 1961 [1] - In September, there have been five significant rainfall events, with average precipitation breaking records since 1961 [1] Regional Rainfall Distribution - During the "Three Autumns" period, northern Henan (including Anyang, Hebi, and Puyang) is expected to see rainfall 20% to 50% above the historical average, while areas like Zhumadian and Xinyang may experience a 20% decrease [1] - The temperature in southeastern Henan is projected to be 1°C to 1.5°C higher than normal, with other regions being 0°C to 1°C above average [1] Key Rainfall Events - Rainfall is expected from September 22 to 23, with moderate to heavy rain in northern areas, followed by a clear period from September 24 to 25, and more rain from September 26 to 28 [1] Crop Maturity and Harvesting - The maturity period for summer corn is from September 15 to October 10, with specific dates varying by region [1] - The optimal harvesting period for peanuts is from September 22 to October 13, with recommendations for timely harvesting and drying [1] Wheat Planting Schedule - The suitable planting period for winter wheat is slightly delayed compared to historical norms, with specific dates for different regions outlined [1] - Areas with excessive rainfall need to prepare the soil in advance to avoid wet conditions during planting [1]