
| Month | Normal- 2006 | Actual (Millimeter) | ||||||
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | ||
| January | 12 | 29 | 0 | 15 | 0 | 02 | 16 | 0 |
| February | 10 | 24 | 4 | 0 | 3 | 0 | 1 | 0 |
| March | 53 | 2 | 24 | 14 | 134 | 01 | 102 | 13 |
| April | 50 | 58 | 43 | 62 | 25 | 59 | 17 | 41 |
| May | 119 | 202 | 147 | 127 | 106 | 57 | 62 | 113 |
| June | 200 | 231 | 340 | 333 | 175 | 286 | 118 | 95 |
| July | 310 | 314 | 237 | 258 | 230 | 242 | 319 | 425 |
| August | 227 | 210 | 187 | 209 | 147 | 276 | 178 | 210 |
| September | 248 | 329 | 202 | 177 | 151 | 299 | 111 | 405 |
| October | 163 | 113 | 188 | 50 | 346 | 185 | 338 | 14 |
| November | 31 | 2 | 10 | 106 | 0 | 0 | 0 | 0 |
| December | 10 | 0 | 0 | 0 | 30 | 0 | 0 | 0 |
| Total | 1427 | 1514 | 1382 | 1351 | 1347 | 1407 | 1262 | 1316 |