| Thurmond Lake Elevation Percentiles by Month | ||||||||||||
| Period of record Jan 1954 - Mar 2026 | ||||||||||||
| Month | P05 | P10 | P20 | P30 | P40 | P50 | P60 | P70 | P80 | P90 | P95 | Avg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 316.08 | 317.29 | 321.83 | 323.73 | 325.60 | 326.46 | 327.21 | 327.91 | 328.61 | 329.65 | 330.56 | 325.02 |
| Feb | 315.94 | 319.21 | 323.26 | 326.12 | 327.14 | 328.00 | 328.51 | 329.06 | 329.74 | 330.55 | 331.55 | 326.33 |
| Mar | 319.14 | 320.60 | 325.77 | 327.81 | 328.53 | 329.16 | 329.61 | 330.01 | 330.52 | 331.34 | 332.09 | 327.72 |
| Apr | 321.59 | 322.48 | 327.46 | 328.31 | 329.11 | 329.87 | 330.12 | 330.49 | 330.89 | 331.53 | 332.18 | 328.73 |
| May | 321.72 | 324.20 | 327.44 | 328.56 | 329.56 | 329.85 | 330.11 | 330.39 | 330.81 | 331.40 | 331.76 | 328.86 |
| Jun | 321.07 | 324.20 | 326.95 | 328.15 | 329.34 | 329.66 | 329.92 | 330.20 | 330.50 | 331.14 | 331.58 | 328.58 |
| Jul | 319.70 | 324.00 | 326.10 | 327.51 | 328.41 | 329.00 | 329.43 | 329.84 | 330.18 | 330.73 | 331.10 | 327.96 |
| Aug | 318.16 | 321.93 | 324.92 | 326.40 | 327.40 | 328.15 | 328.82 | 329.53 | 329.88 | 330.42 | 330.73 | 327.13 |
| Sep | 316.32 | 319.53 | 323.44 | 324.94 | 326.02 | 326.78 | 327.66 | 328.71 | 329.44 | 330.01 | 330.30 | 325.94 |
| Oct | 315.73 | 317.64 | 321.59 | 324.20 | 325.30 | 325.94 | 326.75 | 327.79 | 328.87 | 329.80 | 330.39 | 325.01 |
| Nov | 314.74 | 317.60 | 320.32 | 322.78 | 324.19 | 324.86 | 325.88 | 326.99 | 327.94 | 329.12 | 330.09 | 323.96 |
| Dec | 313.96 | 317.26 | 319.90 | 322.15 | 323.94 | 324.91 | 326.04 | 326.79 | 327.62 | 328.53 | 329.64 | 323.63 |