Waikanae rainfall in 2020 was 8.5% up on 2019 01 Friday Jan 2021 Posted by Waikanae watcher in Uncategorized ≈ Leave a comment As measured officially at the Water Treatment Plant — 1216 mm in 2020 versus 1121 mm in 2019. However, in 2018 it was higher: 1501 mm. Share this:ShareTwitterPinterestFacebookPrintEmailLike this:Like Loading...