Rainfall Mar-Apr-May

Rainfall tercile tables for several locations in the North of the South 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 NSI for the 3-month period Mar-Apr-May

Station Name No. years Below Normal Near Normal Above Normal
MOTUEKA, RIWAKA EWS 28 161 - 224 224 - 407 407 - 523
NELSON AERO 27 130 - 216 216 - 261 261 - 398
APPLEBY 2 EWS 30 125 - 205 205 - 269 269 - 398
BLENHEIM RESEARCH EWS 30 90 - 123 123 - 217 217 - 268
BLENHEIM AERO AWS 30 90 - 127 127 - 200 200 - 268
GRASSMERE SALT WORKS 30 63 - 99 99 - 173 173 - 318
CAPE CAMPBELL AWS 30 63 - 99 99 - 165 165 - 315
WESTPORT AERO AWS 30 307 - 482 482 - 630 630 - 731
LAKE ROTOITI 30 224 - 335 335 - 431 431 - 555
Book: Baseline Tables