Months | Monthly average flows before 2005 | Monthly average flows after 2005 | Relative difference |
Jan | 426 | 631 | 326 |
Feb | 409 | 641 | 309 |
March | 385 | 636 | 285 |
April | 396 | 652 | 296 |
May | 401 | 660 | 301 |
June | 397 | 605 | 297 |
July | 399 | 596 | 299 |
August | 370 | 584 | 270 |
Seven | 356 | 598 | 256 |
Oct | 380 | 638 | 280 |
Nov | 418 | 682 | 318 |
Dec | 421 | 689 | 321 |