Rainfall tercile tables for several locations in the East 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 ESI for the 3-month period Jan-Feb-Mar
| Station Name | No. years | Below Normal | Near Normal | Above Normal |
|---|---|---|---|---|
| KAIKOURA AWS | 30 | 83 - 130 | 130 - 199 | 199 - 487 |
| HANMER FOREST EWS | 29 | 88 - 172 | 172 - 288 | 288 - 407 |
| CULVERDEN | 30 | 51 - 89 | 89 - 158 | 158 - 273 |
| DARFIELD | 30 | 80 - 111 | 111 - 220 | 220 - 372 |
| CHRISTCHURCH AERO | 30 | 63 - 82 | 82 - 148 | 148 - 279 |
| CHRISTCHURCH GARDENS | 30 | 66 - 90 | 90 - 140 | 140 - 284 |
| MT PLEASANT | 23 | 70 - 86 | 86 - 145 | 145 - 279 |
| LINCOLN, BROADFIELD EWS | 30 | 61 - 95 | 95 - 170 | 170 - 284 |
| WINCHMORE EWS | 30 | 64 - 112 | 112 - 207 | 207 - 298 |
| ASHBURTON COUNCIL | 30 | 58 - 125 | 125 - 227 | 227 - 306 |
| PEEL FOREST | 30 | 135 - 229 | 229 - 347 | 347 - 556 |
| LAKE TEKAPO, AIR SAFARIS | 30 | 32 - 109 | 109 - 127 | 127 - 331 |
| WOODBURY | 30 | 123 - 206 | 206 - 311 | 311 - 498 |
| ORARI ESTATE | 30 | 66 - 143 | 143 - 213 | 213 - 404 |
| TIMARU EWS | 30 | 77 - 113 | 113 - 151 | 151 - 263 |
| WAIMATE | 28 | 58 - 108 | 108 - 159 | 159 - 289 |
| IKAWAI | 23 | 56 - 102 | 102 - 153 | 153 - 303 |
| OAMARU AIRPORT AWS | 30 | 63 - 114 | 114 - 170 | 170 - 333 |
| PALMERSTON | 30 | 68 - 116 | 116 - 188 | 188 - 362 |
| TAIAROA HEAD | 30 | 73 - 119 | 119 - 194 | 194 - 294 |
| DUNEDIN, MUSSELBURGH EWS | 30 | 95 - 158 | 158 - 255 | 255 - 320 |
| DUNEDIN AERO AWS | 30 | 90 - 152 | 152 - 244 | 244 - 303 |