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 May-Jun-Jul
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| RUATORIA | 22 | 10.0 - 10.4 | 10.5 - 11.1 | 11.2 - 12.0 |
| GISBORNE AWS | 30 | 9.5 - 10.1 | 10.2 - 10.6 | 10.7 - 11.7 |
| GISBORNE, MANUTUKE | 22 | 9.3 - 9.8 | 9.9 - 10.5 | 10.6 - 11.5 |
| WAIROA, NORTH CLYDE EWS | 29 | 9.6 - 10.3 | 10.4 - 10.5 | 10.6 - 11.4 |
| NAPIER AERO AWS | 30 | 9.4 - 10.0 | 10.1 - 10.4 | 10.5 - 11.3 |
| NAPIER NELSON PK | 29 | 9.5 - 10.1 | 10.2 - 10.4 | 10.5 - 11.1 |
| TAKAPAU PLAINS AWS | 27 | 7.4 - 8.0 | 8.1 - 8.4 | 8.5 - 9.5 |
| KOPUA | 27 | 7.4 - 8.0 | 8.1 - 8.4 | 8.5 - 9.5 |
| DANNEVIRKE | 30 | 8.0 - 8.4 | 8.5 - 9.0 | 9.1 - 9.7 |
| CASTLEPOINT AWS | 25 | 10.4 - 10.9 | 11.0 - 11.6 | 11.7 - 12.1 |
| MASTERTON, TE ORE ORE | 30 | 7.7 - 8.4 | 8.5 - 8.7 | 8.8 - 9.5 |
| EAST TARATAHI AWS | 30 | 7.7 - 8.4 | 8.5 - 8.7 | 8.8 - 9.5 |