ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ the World Meteorological Organization - surface synoptic observations (WMO-SYNOP) (worldweather.wmo.int) and New Zealand - Waikato Regional Council (waikatoregion.govt.nz) and LAWA - Land, Air, Water Aotearoa (lawa.org.nz)