Backgrounder
Backgrounder
2002 rainfall to date
Rainfall so far this year has been lower than average in much of the north of the North Island and in parts of the north and west of the South Island. Eastern areas of the South Island have been wetter than average.
Total rainfalls for 1 January to 7 May 2002, shown according to decile rankings of all rainfalls for this period from 1972.
Update on the SOI
The Southern Oscillation Index (SOI) for April was -0.5, with the three month average at about -0.2.