Updated River Flow websites for Tongariro, Mohaka (Mc Vicars) and also NIWA flows overall.

Hi Guys,
I have been doing some research for a school trip and found some updates for the old links that do not work on the Following rivers:
Tongariro: https://preview.genesisenergy.co.nz/tongariro-riverflow-release

Mohaka: at Mc Vicars, https://hydrowebportal.niwa.co.nz/Data/Location/Summary/Location/21867/I...

NIWA river flows country wide:

Hopefully this will be useful info for those instructing and learning this year.