Rainfall tercile tables for several locations in the North 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 NNI for the 3-month period Apr-May-Jun
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| KAITAIA EWS | 29 | 247 - 346 | 346 - 426 | 426 - 525 |
| KAIKOHE AWS | 25 | 182 - 375 | 375 - 480 | 480 - 595 |
| WHANGAREI AERO AWS | 30 | 209 - 325 | 325 - 465 | 465 - 625 |
| DARGAVILLE 2 EWS | 28 | 220 - 305 | 305 - 388 | 388 - 455 |
| PORT FITZROY, GREAT BARRIER | 30 | 295 - 388 | 388 - 532 | 532 - 818 |
| LEIGH 2 | 30 | 181 - 248 | 248 - 355 | 355 - 551 |
| WARKWORTH EWS | 30 | 221 - 283 | 283 - 438 | 438 - 551 |
| WHENUAPAI AERO | 23 | 212 - 319 | 319 - 396 | 396 - 459 |
| WHITIANGA AERO AWS | 24 | 284 - 413 | 413 - 569 | 569 - 797 |
| HENDERSON, RIVER PK | 24 | 255 - 364 | 364 - 416 | 416 - 555 |
| AUCKLAND,OWAIRAKA | 30 | 227 - 308 | 308 - 372 | 372 - 459 |
| AUCKLAND AERO | 30 | 218 - 274 | 274 - 363 | 363 - 447 |
| ARDMORE | 30 | 226 - 321 | 321 - 378 | 378 - 478 |
| PUKEKOHE EWS | 30 | 248 - 326 | 326 - 392 | 392 - 479 |
| PAEROA AWS | 30 | 222 - 285 | 285 - 414 | 414 - 582 |
| HICKS BAY AWS | 23 | 275 - 372 | 372 - 421 | 421 - 506 |
| TAURANGA AERO AWS | 30 | 226 - 283 | 283 - 399 | 399 - 619 |
| HAMILTON, RUAKURA 2 EWS | 30 | 223 - 294 | 294 - 325 | 325 - 447 |
| WHATAWHATA | 30 | 282 - 381 | 381 - 470 | 470 - 586 |
| TE PUKE EWS | 26 | 291 - 376 | 376 - 506 | 506 - 644 |
| HAMILTON AWS | 27 | 216 - 308 | 308 - 345 | 345 - 412 |
| WHAKATANE AERO AWS | 30 | 193 - 295 | 295 - 363 | 363 - 533 |
| OPOTIKI | 29 | 158 - 296 | 296 - 387 | 387 - 601 |
| ROTORUA AERO AWS | 30 | 211 - 340 | 340 - 478 | 478 - 708 |
| WAIMANA | 30 | 193 - 361 | 361 - 451 | 451 - 639 |
| TE KUITI | 29 | 292 - 383 | 383 - 425 | 425 - 568 |
| TAUPO AWS | 30 | 178 - 223 | 223 - 265 | 265 - 396 |