| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.88 | 8.55 | 12.99 | 14.85 | 17.32 | 18.88 | 22.35 | 23.14 | 29.9 | 40.02 | 48.35 | 50.74 | 65.66 | 77.83 | 107.4 | 130.29 | 155.92 | 209.45 | 258 | 312.34 |
| Accumulated Precipitation Departure from Normal (in.) | 3.36 | 1.88 | 2.38 | 0.67 | -0.2 | -1.71 | -0.39 | -2.59 | -0.92 | 2.9 | 4.82 | 1.7 | 6.03 | 8.1 | 9.25 | 11.49 | 8.71 | 13.13 | 12.77 | 18.18 |
| Accumulated Precipitation Percent of Average | 195 | 128 | 122 | 105 | 99 | 92 | 98 | 90 | 97 | 108 | 111 | 103 | 110 | 112 | 109 | 110 | 106 | 107 | 105 | 106 |
| Accumulated Precipitation Percentile (non-exceedance) | 93.5 | 77.3 | 75.9 | 60.1 | 52.2 | 40.8 | 50.8 | 37.1 | 47.4 | 68 | 75.5 | 60.7 | 76.7 | 82.1 | 81.4 | 84.3 | 76.6 | 83.4 | 80.8 | 87.2 |
| Standardized Precipitation Index | 1.51 | 0.75 | 0.7 | 0.25 | 0.05 | -0.23 | 0.02 | -0.33 | -0.07 | 0.47 | 0.69 | 0.27 | 0.73 | 0.92 | 0.89 | 1.01 | 0.73 | 0.97 | 0.87 | 1.14 |