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