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 Dec-Jan-Feb
Station Name | No. years | Below Normal | Near Normal | Above Normal |
---|---|---|---|---|
MOTUEKA, RIWAKA EWS | 30 | 85 - 164 | 164 - 303 | 303 - 534 |
NELSON AERO | 26 | 63 - 145 | 145 - 232 | 232 - 468 |
APPLEBY 2 EWS | 29 | 63 - 136 | 136 - 241 | 241 - 468 |
BLENHEIM RESEARCH EWS | 30 | 46 - 110 | 110 - 166 | 166 - 278 |
BLENHEIM AERO AWS | 30 | 41 - 109 | 109 - 160 | 160 - 278 |
GRASSMERE SALT WORKS | 30 | 36 - 72 | 72 - 144 | 144 - 231 |
CAPE CAMPBELL AWS | 30 | 42 - 76 | 76 - 144 | 144 - 241 |
WESTPORT AERO AWS | 30 | 343 - 462 | 462 - 556 | 556 - 694 |
LAKE ROTOITI | 30 | 187 - 352 | 352 - 421 | 421 - 599 |