Spatiotemporal variation of dry-wet climate during wheat growing seasons from 1961 to 2020 in China

• MA Xueqing, 
• HE Huayun, 
• ZHAO Jinyuan, 
• FANG Tong, 
• ZHANG Jianzhen, 
• PAN Xuebiao, 
• PAN Zhihua, 
• WANG Jing, 
• HU Qi