Rainfall tercile tables for several locations in the South and West 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 SWNI for the 3-month period Jul-Aug-Sep
Station Name | No. years | Below Normal | Near Normal | Above Normal |
---|---|---|---|---|
TAUMARUNUI | 30 | 235 - 372 | 372 - 500 | 500 - 634 |
TAUMARUNUI AWS | 30 | 235 - 372 | 372 - 500 | 500 - 634 |
TURANGI 2 EWS | 30 | 297 - 427 | 427 - 495 | 495 - 635 |
NEW PLYMOUTH AWS | 30 | 259 - 375 | 375 - 452 | 452 - 528 |
LOWER RETARUKE | 30 | 262 - 401 | 401 - 520 | 520 - 644 |
STRATFORD DEM FARM | 30 | 334 - 539 | 539 - 605 | 605 - 813 |
WAIOURU AWS | 30 | 157 - 270 | 270 - 337 | 337 - 414 |
WANGANUI,SPRIGGENS PARK EWS | 30 | 93 - 200 | 200 - 269 | 269 - 341 |
PALMERSTON N | 30 | 132 - 222 | 222 - 300 | 300 - 401 |
LEVIN AWS | 30 | 175 - 257 | 257 - 330 | 330 - 428 |
PARAPARAUMU AERO | 30 | 169 - 236 | 236 - 306 | 306 - 404 |
WALLACEVILLE EWS | 30 | 218 - 332 | 332 - 418 | 418 - 549 |
WAIORONGOMAI | 23 | 269 - 423 | 423 - 542 | 542 - 768 |
WELLINGTON,KELBURN | 30 | 192 - 308 | 308 - 434 | 434 - 510 |
WELLINGTON AERO | 30 | 154 - 250 | 250 - 344 | 344 - 403 |