March 2021 rainfall

A decidedly damp finish to March boosted total monthly rainfall to between 119% and 225% of normal at our monitored sites, with an average of 168%.

Most of the rain came on the final four days of the month, when most sites got more than than double the amount they'd received in the preceding 27 days.

Five sites finished up with new maximum rainfall totals for March - Kahui Hut (457.5mm), Hillsborough (247mm), Bell Block (187mm), Egmont Village (308mm) and Ōkato (264.5mm).

Cape Egmont received 225% of its normal March rainfall with 195.4 mm. Our sites on Te Maunga recorded between 145% and 174% of normal.

Year-to-date rainfall ranges from 89% to 144% of normal, with an average of 115%. Omahine at Moana Trig and Rimunui Station, in the Waitōtara Valley, have recorded just 89% of their normal rainfall to date with 274mm and 212mm respectively. Kahui Hut, Inglewood and Okoki at Kaka Rd have also received below normal to date, with 99%, 96% and 98% respectively.

Monthly hydrology report March 2021 [PDF, 596 KB]

March 2021 rainfall maps

March 2021 rainfall maps [PDF, 702 KB]

What you should know:

  1. The site maps show data from a selection of the sites we monitor, but not all of them.

  2. The distribution maps are based on mathematical modelling and may not accurately represent actual rainfall in some unmonitored areas.

Click on each map for larger version.

Mach 2021 rainfall at selected monitored sites

January-March 2021 rainfall at selected monitored sites