Jiangxi: 40 days of snow in spring 1453

Gujin Tushu Jicheng, Shuzheng dian volume 105, quoting the Jiangxi gazetteer: '景泰四年春，饒州廣信大雨雪，積四十日，白封山谷，民絕樵採' (spring 1453, Raozhou and Guangxin: great rain and snow lying 40 days, the hills sealed white, people could not gather firewood). About 28 N. A cold sign early in 1453, but the same book has 20 days of deep snow at Jiaxing in January 1450, before any eruption.