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 May-Jun-Jul
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| KAITAIA EWS | 29 | 275 - 378 | 378 - 483 | 483 - 607 |
| KAIKOHE AWS | 25 | 230 - 363 | 363 - 544 | 544 - 736 |
| WHANGAREI AERO AWS | 30 | 237 - 383 | 383 - 497 | 497 - 674 |
| DARGAVILLE 2 EWS | 28 | 243 - 335 | 335 - 424 | 424 - 532 |
| PORT FITZROY, GREAT BARRIER | 30 | 339 - 416 | 416 - 601 | 601 - 1008 |
| LEIGH 2 | 30 | 174 - 302 | 302 - 402 | 402 - 542 |
| WARKWORTH EWS | 30 | 233 - 349 | 349 - 442 | 442 - 594 |
| WHENUAPAI AERO | 22 | 263 - 321 | 321 - 425 | 425 - 555 |
| WHITIANGA AERO AWS | 25 | 312 - 426 | 426 - 612 | 612 - 879 |
| HENDERSON, RIVER PK | 23 | 353 - 407 | 407 - 494 | 494 - 615 |
| AUCKLAND,OWAIRAKA | 30 | 245 - 333 | 333 - 408 | 408 - 550 |
| AUCKLAND AERO | 30 | 252 - 307 | 307 - 398 | 398 - 501 |
| ARDMORE | 30 | 264 - 343 | 343 - 437 | 437 - 564 |
| PUKEKOHE EWS | 30 | 251 - 359 | 359 - 416 | 416 - 542 |
| PAEROA AWS | 30 | 267 - 338 | 338 - 454 | 454 - 538 |
| HICKS BAY AWS | 23 | 246 - 373 | 373 - 451 | 451 - 562 |
| TAURANGA AERO AWS | 30 | 244 - 283 | 283 - 423 | 423 - 607 |
| HAMILTON, RUAKURA 2 EWS | 30 | 218 - 301 | 301 - 387 | 387 - 498 |
| WHATAWHATA | 30 | 286 - 432 | 432 - 519 | 519 - 692 |
| TE PUKE EWS | 26 | 248 - 392 | 392 - 487 | 487 - 718 |
| HAMILTON AWS | 27 | 226 - 307 | 307 - 415 | 415 - 512 |
| WHAKATANE AERO AWS | 30 | 214 - 297 | 297 - 439 | 439 - 606 |
| OPOTIKI | 29 | 154 - 259 | 259 - 406 | 406 - 544 |
| ROTORUA AERO AWS | 30 | 266 - 387 | 387 - 496 | 496 - 667 |
| WAIMANA | 30 | 284 - 397 | 397 - 490 | 490 - 657 |
| TE KUITI | 28 | 285 - 415 | 415 - 522 | 522 - 720 |
| TAUPO AWS | 30 | 183 - 234 | 234 - 301 | 301 - 428 |