| West Point Inflow Percentiles by Month | ||||||||||||
| Period of record May 1975 - Mar 2026 | ||||||||||||
| Month | P05 | P10 | P20 | P30 | P40 | P50 | P60 | P70 | P80 | P90 | P95 | Avg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 1634 | 1916 | 2380 | 2857 | 3430 | 4123 | 5003 | 6359 | 8459 | 12014 | 15889 | 5955 |
| Feb | 1828 | 2190 | 2761 | 3347 | 4076 | 4995 | 6252 | 7917 | 9946 | 13006 | 18186 | 7026 |
| Mar | 2149 | 2458 | 3049 | 3644 | 4383 | 5348 | 6622 | 8186 | 10814 | 13826 | 20126 | 7644 |
| Apr | 1772 | 2168 | 2777 | 3395 | 4004 | 4848 | 5838 | 7160 | 9194 | 11645 | 14768 | 6360 |
| May | 1244 | 1533 | 2040 | 2627 | 3207 | 3818 | 4571 | 5552 | 6786 | 9152 | 12271 | 5009 |
| Jun | 981 | 1219 | 1664 | 2118 | 2507 | 3025 | 3532 | 4246 | 5143 | 6802 | 8620 | 3741 |
| Jul | 890 | 1164 | 1525 | 1896 | 2326 | 2713 | 3222 | 3921 | 4827 | 6767 | 9181 | 3665 |
| Aug | 702 | 925 | 1318 | 1725 | 2075 | 2534 | 3119 | 3806 | 4725 | 6204 | 7666 | 3218 |
| Sep | 691 | 886 | 1142 | 1475 | 1793 | 2182 | 2661 | 3158 | 3996 | 5682 | 7700 | 3138 |
| Oct | 727 | 926 | 1191 | 1492 | 1817 | 2180 | 2671 | 3151 | 3883 | 5603 | 7826 | 3057 |
| Nov | 912 | 1220 | 1578 | 1913 | 2239 | 2568 | 2978 | 3588 | 4670 | 6925 | 9703 | 3714 |
| Dec | 1277 | 1500 | 1847 | 2222 | 2713 | 3230 | 3835 | 4751 | 6279 | 9699 | 13341 | 4790 |