| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.68 | 3.94 | 10.47 | 12.73 | 13.69 | 16.39 | 17.38 | 21.91 | 27.74 | 31 | 34.33 | 37.84 | 53.17 | 59.32 | 85.13 | 108.92 | 138.05 | 187.75 | 245.81 | 305.12 |
| Accumulated Precipitation Departure from Normal (in.) | -1.75 | -3.47 | -0.55 | -1.87 | -4.4 | -4.77 | -7.01 | -6 | -4.23 | -5.24 | -6.44 | -7.13 | -2.83 | -6.92 | -4.94 | -2.39 | 2.93 | 7.66 | 20.78 | 35.18 |
| Accumulated Precipitation Percent of Average | 60 | 53 | 95 | 87 | 76 | 77 | 71 | 78 | 87 | 86 | 84 | 84 | 95 | 90 | 95 | 98 | 102 | 104 | 109 | 113 |
| Accumulated Precipitation Percentile (non-exceedance) | 23.9 | 9.2 | 48.1 | 34.2 | 16.4 | 16.3 | 8.8 | 15.4 | 26.4 | 21.9 | 18.1 | 17.2 | 38.5 | 23.2 | 34.1 | 43.6 | 59.6 | 68.6 | 86 | 94.4 |
| Standardized Precipitation Index | -0.71 | -1.33 | -0.05 | -0.41 | -0.98 | -0.98 | -1.35 | -1.02 | -0.63 | -0.78 | -0.91 | -0.95 | -0.29 | -0.73 | -0.41 | -0.16 | 0.24 | 0.48 | 1.08 | 1.59 |