How long can the drought in Gansu last?

Three months. According to the analysis of Northwest Regional Climate Center, there will be rain and snow in most areas of Gansu recently, and the drought in dry areas will be slightly relieved but not enough. It is estimated that precipitation will still be less in most areas east of the Yellow River in Gansu in March. With the gradual increase of temperature, the overwintering crops will resume to grow, and the drought in Hedong dry area will continue and be serious.