| Woodruff Release Percentiles by Month | ||||||||||||
| Period of record Feb 1957 - Aug 2026 | ||||||||||||
| Month | P05 | P10 | P20 | P30 | P40 | P50 | P60 | P70 | P80 | P90 | P95 | Avg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 8295 | 9868 | 12508 | 15101 | 17450 | 21036 | 26162 | 30968 | 38136 | 50638 | 59510 | 26480 |
| Feb | 9906 | 12564 | 16510 | 19537 | 23414 | 27707 | 32861 | 39596 | 47988 | 58222 | 68287 | 32569 |
| Mar | 12461 | 15162 | 18060 | 21215 | 25529 | 30018 | 35254 | 41684 | 49803 | 60770 | 75862 | 35772 |
| Apr | 9784 | 11813 | 15449 | 17701 | 20137 | 23987 | 28656 | 34358 | 44900 | 60092 | 72433 | 30928 |
| May | 6065 | 8189 | 10419 | 12351 | 14425 | 16720 | 18551 | 20774 | 25110 | 34116 | 42735 | 19197 |
| Jun | 5087 | 6206 | 9009 | 10748 | 11937 | 13491 | 14934 | 17001 | 19186 | 26086 | 33396 | 15289 |
| Jul | 5138 | 6241 | 8118 | 9406 | 10554 | 11788 | 13183 | 15375 | 18233 | 25240 | 32728 | 15109 |
| Aug | 5064 | 5331 | 7628 | 9007 | 10335 | 11632 | 12764 | 14306 | 17245 | 22568 | 29649 | 13282 |
| Sep | 4904 | 5227 | 6962 | 8258 | 9497 | 10744 | 11639 | 12413 | 14488 | 17543 | 21943 | 11604 |
| Oct | 4872 | 5270 | 6462 | 8005 | 9011 | 10043 | 10936 | 12137 | 13799 | 18789 | 27341 | 11609 |
| Nov | 5059 | 5682 | 7473 | 8304 | 9406 | 10484 | 11476 | 13613 | 16720 | 21855 | 28505 | 12874 |
| Dec | 5814 | 6754 | 9250 | 10683 | 12449 | 14306 | 16821 | 20173 | 27400 | 40532 | 51454 | 19736 |