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 Aug-Sep-Oct
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| KAITAIA EWS | 29 | 243 - 323 | 323 - 383 | 383 - 556 |
| KAIKOHE AWS | 26 | 195 - 337 | 337 - 429 | 429 - 689 |
| WHANGAREI AERO AWS | 30 | 217 - 348 | 348 - 412 | 412 - 732 |
| DARGAVILLE 2 EWS | 28 | 174 - 274 | 274 - 325 | 325 - 434 |
| PORT FITZROY, GREAT BARRIER | 30 | 245 - 376 | 376 - 538 | 538 - 776 |
| LEIGH 2 | 29 | 196 - 270 | 270 - 319 | 319 - 455 |
| WARKWORTH EWS | 29 | 240 - 326 | 326 - 402 | 402 - 503 |
| WHENUAPAI AERO | 22 | 213 - 283 | 283 - 396 | 396 - 466 |
| WHITIANGA AERO AWS | 25 | 312 - 427 | 427 - 633 | 633 - 740 |
| HENDERSON, RIVER PK | 23 | 285 - 357 | 357 - 428 | 428 - 529 |
| AUCKLAND,OWAIRAKA | 30 | 222 - 290 | 290 - 361 | 361 - 465 |
| AUCKLAND AERO | 30 | 195 - 264 | 264 - 312 | 312 - 412 |
| ARDMORE | 30 | 226 - 293 | 293 - 367 | 367 - 481 |
| PUKEKOHE EWS | 30 | 242 - 294 | 294 - 361 | 361 - 485 |
| PAEROA AWS | 30 | 216 - 300 | 300 - 388 | 388 - 623 |
| HICKS BAY AWS | 23 | 232 - 315 | 315 - 387 | 387 - 633 |
| TAURANGA AERO AWS | 30 | 184 - 291 | 291 - 416 | 416 - 537 |
| HAMILTON, RUAKURA 2 EWS | 30 | 194 - 268 | 268 - 343 | 343 - 450 |
| WHATAWHATA | 30 | 297 - 377 | 377 - 495 | 495 - 620 |
| TE PUKE EWS | 26 | 262 - 344 | 344 - 506 | 506 - 660 |
| HAMILTON AWS | 27 | 212 - 280 | 280 - 346 | 346 - 456 |
| WHAKATANE AERO AWS | 30 | 201 - 290 | 290 - 402 | 402 - 536 |
| OPOTIKI | 29 | 162 - 267 | 267 - 371 | 371 - 548 |
| ROTORUA AERO AWS | 30 | 210 - 374 | 374 - 508 | 508 - 670 |
| WAIMANA | 29 | 205 - 356 | 356 - 541 | 541 - 653 |
| TE KUITI | 28 | 275 - 363 | 363 - 479 | 479 - 607 |
| TAUPO AWS | 30 | 160 - 233 | 233 - 323 | 323 - 407 |