Feature article
The Northland floods of July 2007. (Photo: Northland CDEM Group)
Number of rain-days per month near Kawakawa, Northland.
Data series for May only.
Rain-days in Kawakawa
It is often useful to ‘visualise’ the variability of meteorological data by using a diagram format invented by Danish meteorologist Ernest Hovmöller (who incidentally passed away this year). The larger figure (right), usually called a ‘Hovmöller diagram’, shows the number of rain-days per month near Kawakawa, Northland.