Christchurch DROUGHT INDEX for July 23rd-29th 2022. Jul 30, 2022 18:57:02 GMT 12 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Bishopdale Weather on Jul 30, 2022 18:57:02 GMT 12 Christchurch DROUGHT INDEX for July 23rd-29th 2022.Rainfall For the last week= 108.7MM.DROUGHT READING =0= NO DROUGHT.