《宋书·志·卷三十三》
元康三年四月，荣阳下冰雹；弘农湖、华阴又下冰雹，冰雹在地上堆积有三尺厚。
元康三年四月，荥阳雨雹；弘农湖、华阴又雨雹，深三尺。
In April of the third year of Yuan Kang period, there was hail in Rongyang; it also hailed in Hongnong Lake and Huayin, and the hail was three feet thick on the ground.