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 Apr-May-Jun
Station Name | No. years | Below Normal | Near Normal | Above Normal |
---|---|---|---|---|
TAUMARUNUI | 30 | 271 - 335 | 335 - 415 | 415 - 533 |
TAUMARUNUI AWS | 30 | 271 - 335 | 335 - 415 | 415 - 533 |
TURANGI 2 EWS | 29 | 257 - 379 | 379 - 438 | 438 - 548 |
NEW PLYMOUTH AWS | 30 | 317 - 384 | 384 - 450 | 450 - 602 |
LOWER RETARUKE | 30 | 273 - 341 | 341 - 396 | 396 - 532 |
STRATFORD DEM FARM | 28 | 314 - 494 | 494 - 597 | 597 - 672 |
WAIOURU AWS | 30 | 182 - 224 | 224 - 310 | 310 - 427 |
WANGANUI,SPRIGGENS PARK EWS | 30 | 152 - 200 | 200 - 261 | 261 - 371 |
PALMERSTON N | 30 | 167 - 235 | 235 - 267 | 267 - 374 |
LEVIN AWS | 30 | 161 - 276 | 276 - 302 | 302 - 439 |
PARAPARAUMU AERO | 30 | 140 - 262 | 262 - 305 | 305 - 402 |
WALLACEVILLE EWS | 30 | 206 - 324 | 324 - 408 | 408 - 544 |
WAIORONGOMAI | 23 | 272 - 426 | 426 - 522 | 522 - 696 |
WELLINGTON,KELBURN | 30 | 194 - 332 | 332 - 408 | 408 - 512 |
WELLINGTON AERO | 30 | 163 - 248 | 248 - 319 | 319 - 441 |