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 Nov-Dec-Jan
Station Name | No. years | Below Normal | Near Normal | Above Normal |
---|---|---|---|---|
TAUMARUNUI | 30 | 274 - 312 | 312 - 376 | 376 - 520 |
TAUMARUNUI AWS | 30 | 274 - 312 | 312 - 376 | 376 - 520 |
TURANGI 2 EWS | 29 | 273 - 322 | 322 - 405 | 405 - 603 |
NEW PLYMOUTH AWS | 30 | 223 - 253 | 253 - 373 | 373 - 521 |
LOWER RETARUKE | 29 | 246 - 323 | 323 - 399 | 399 - 508 |
STRATFORD DEM FARM | 29 | 288 - 383 | 383 - 508 | 508 - 708 |
WAIOURU AWS | 30 | 164 - 219 | 219 - 280 | 280 - 342 |
WANGANUI,SPRIGGENS PARK EWS | 29 | 116 - 181 | 181 - 212 | 212 - 326 |
PALMERSTON N | 30 | 126 - 186 | 186 - 257 | 257 - 317 |
LEVIN AWS | 30 | 152 - 224 | 224 - 315 | 315 - 407 |
PARAPARAUMU AERO | 30 | 135 - 184 | 184 - 275 | 275 - 409 |
WALLACEVILLE EWS | 30 | 143 - 248 | 248 - 330 | 330 - 417 |
WAIORONGOMAI | 23 | 201 - 290 | 290 - 370 | 370 - 457 |
WELLINGTON,KELBURN | 30 | 123 - 209 | 209 - 289 | 289 - 432 |
WELLINGTON AERO | 30 | 86 - 167 | 167 - 247 | 247 - 338 |