Rainfall Jul-Aug-Sep
Rainfall tercile tables for several locations in the West and South 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 WSSI for the 3-month period Jul-Aug-Sep
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| GREYMOUTH AERO | 30 | 322 - 511 | 511 - 688 | 688 - 863 |
| HOKITIKA AERO | 30 | 379 - 598 | 598 - 823 | 823 - 986 |
| ARTHURS PASS EWS | 30 | 565 - 870 | 870 - 1245 | 1245 - 1657 |
| CRAIGIEBURN FOREST | 29 | 196 - 338 | 338 - 478 | 478 - 596 |
| MT COOK EWS | 30 | 411 - 690 | 690 - 1090 | 1090 - 1437 |
| TARA HILLS AWS | 30 | 58 - 91 | 91 - 142 | 142 - 220 |
| MILFORD SOUND | 30 | 733 - 1200 | 1200 - 1560 | 1560 - 2218 |
| WANAKA AERO AWS | 30 | 83 - 146 | 146 - 230 | 230 - 309 |
| QUEENSTOWN AERO AWS | 30 | 92 - 154 | 154 - 204 | 204 - 369 |
| CROMWELL EWS | 30 | 31 - 70 | 70 - 114 | 114 - 147 |
| QUEENSTOWN | 30 | 100 - 159 | 159 - 241 | 241 - 391 |
| CLYDE DAM | 23 | 24 - 74 | 74 - 108 | 108 - 141 |
| ETTRICK NO.2 | 30 | 47 - 87 | 87 - 115 | 115 - 143 |
| GORE AWS | 30 | 114 - 164 | 164 - 225 | 225 - 305 |
| WINTON | 30 | 111 - 171 | 171 - 233 | 233 - 341 |
| INVERCARGILL AERO | 30 | 128 - 206 | 206 - 275 | 275 - 346 |
| TIWAI POINT EWS | 28 | 126 - 205 | 205 - 276 | 276 - 385 |