Temperature 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 average temperature (deg C) range for forecast area ENI for the 3-month period Apr-May-Jun
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| RUATORIA | 22 | 11.7 - 12.6 | 12.7 - 13.0 | 13.1 - 13.8 |
| GISBORNE AWS | 30 | 11.2 - 12.0 | 12.1 - 12.7 | 12.8 - 13.4 |
| GISBORNE, MANUTUKE | 22 | 11.0 - 11.7 | 11.8 - 12.6 | 12.7 - 12.9 |
| WAIROA, NORTH CLYDE EWS | 27 | 11.3 - 12.1 | 12.2 - 12.5 | 12.6 - 13.1 |
| NAPIER AERO AWS | 30 | 11.1 - 11.9 | 12.0 - 12.4 | 12.5 - 13.1 |
| NAPIER NELSON PK | 27 | 11.3 - 12.0 | 12.1 - 12.4 | 12.5 - 13.1 |
| TAKAPAU PLAINS AWS | 28 | 9.0 - 9.9 | 10.0 - 10.3 | 10.4 - 11.1 |
| KOPUA | 28 | 9.0 - 9.9 | 10.0 - 10.3 | 10.4 - 11.1 |
| DANNEVIRKE | 29 | 9.5 - 10.3 | 10.4 - 10.8 | 10.9 - 11.2 |
| CASTLEPOINT AWS | 25 | 12.2 - 12.5 | 12.6 - 13.0 | 13.1 - 13.6 |
| MASTERTON, TE ORE ORE | 28 | 9.7 - 10.2 | 10.3 - 10.7 | 10.8 - 11.5 |
| EAST TARATAHI AWS | 28 | 9.7 - 10.2 | 10.3 - 10.8 | 10.9 - 11.5 |