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 - 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 Jun-Jul-Aug
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| KAITAIA EWS | 29 | 293 - 425 | 425 - 477 | 477 - 681 |
| KAIKOHE AWS | 25 | 262 - 426 | 426 - 567 | 567 - 841 |
| WHANGAREI AERO AWS | 30 | 277 - 440 | 440 - 522 | 522 - 769 |
| DARGAVILLE 2 EWS | 27 | 258 - 372 | 372 - 425 | 425 - 552 |
| PORT FITZROY, GREAT BARRIER | 30 | 367 - 473 | 473 - 690 | 690 - 925 |
| LEIGH 2 | 29 | 259 - 332 | 332 - 434 | 434 - 597 |
| WARKWORTH EWS | 29 | 289 - 387 | 387 - 498 | 498 - 668 |
| WHENUAPAI AERO | 22 | 237 - 380 | 380 - 456 | 456 - 566 |
| WHITIANGA AERO AWS | 22 | 353 - 513 | 513 - 756 | 756 - 1045 |
| HENDERSON, RIVER PK | 23 | 363 - 465 | 465 - 525 | 525 - 644 |
| AUCKLAND,OWAIRAKA | 30 | 256 - 354 | 354 - 453 | 453 - 593 |
| AUCKLAND AERO | 30 | 217 - 334 | 334 - 389 | 389 - 536 |
| ARDMORE | 30 | 241 - 379 | 379 - 448 | 448 - 613 |
| PUKEKOHE EWS | 30 | 241 - 371 | 371 - 441 | 441 - 585 |
| PAEROA AWS | 30 | 263 - 409 | 409 - 464 | 464 - 601 |
| HICKS BAY AWS | 23 | 236 - 392 | 392 - 490 | 490 - 677 |
| TAURANGA AERO AWS | 30 | 256 - 354 | 354 - 457 | 457 - 605 |
| HAMILTON, RUAKURA 2 EWS | 30 | 206 - 337 | 337 - 403 | 403 - 525 |
| WHATAWHATA | 30 | 267 - 467 | 467 - 550 | 550 - 694 |
| TE PUKE EWS | 27 | 283 - 442 | 442 - 554 | 554 - 708 |
| HAMILTON AWS | 28 | 201 - 322 | 322 - 421 | 421 - 549 |
| WHAKATANE AERO AWS | 30 | 232 - 341 | 341 - 461 | 461 - 615 |
| OPOTIKI | 30 | 192 - 333 | 333 - 434 | 434 - 544 |
| ROTORUA AERO AWS | 30 | 334 - 438 | 438 - 530 | 530 - 665 |
| WAIMANA | 29 | 265 - 439 | 439 - 526 | 526 - 683 |
| TE KUITI | 29 | 260 - 441 | 441 - 563 | 563 - 645 |
| TAUPO AWS | 30 | 144 - 272 | 272 - 341 | 341 - 390 |