NIWA have started publishing graphs of the snow depth at ten of it’s snow and ice network (SIN) weather stations.
This is a major development. The network was installed about 12 years ago but access to the snow-depth information has to-date been by request only.
The information is published as graph images at https://niwa.co.nz/freshwater-and-estuaries/research-projects/snow-and-ice-network
The graphs don’t provide a scale on the snow-depth axes, but an average line on the graphs means it is possible to see how the current year’s snow depth is progressing in a relative way.
For reference average peak snow depth at Mueller is about 2.5 m, and at Mahanga and Mt Larkins it is about 70 cm.