Rainfall tercile tables for several locations in the East of the North Island. Data are based on the 30-year period 1971-2000. The ranges for each tercile are: below normal = second lowest to 33rd percentile; near normal = 34th to 66th percentile; above normal = 67th percentile to second highest.
Historical rainfall total (mm) range for forecast area ENI for the 3-month period Nov-Dec-Jan
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| RUATORIA | 26 | 86 - 231 | 231 - 314 | 314 - 588 |
| GISBORNE AWS | 30 | 68 - 129 | 129 - 219 | 219 - 298 |
| GISBORNE, MANUTUKE | 22 | 98 - 120 | 120 - 213 | 213 - 284 |
| WAIROA, NORTH CLYDE EWS | 30 | 97 - 190 | 190 - 337 | 337 - 445 |
| NAPIER AERO AWS | 30 | 61 - 132 | 132 - 192 | 192 - 314 |
| NAPIER NELSON PK | 30 | 58 - 125 | 125 - 189 | 189 - 298 |
| TAKAPAU PLAINS AWS | 29 | 108 - 178 | 178 - 252 | 252 - 424 |
| KOPUA | 29 | 108 - 178 | 178 - 252 | 252 - 424 |
| DANNEVIRKE | 30 | 122 - 217 | 217 - 264 | 264 - 406 |
| CASTLEPOINT AWS | 29 | 89 - 136 | 136 - 200 | 200 - 300 |
| MASTERTON, TE ORE ORE | 30 | 89 - 168 | 168 - 221 | 221 - 305 |
| EAST TARATAHI AWS | 30 | 102 - 171 | 171 - 221 | 221 - 305 |