| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 5.7 | 12.5 | 25.81 | 36.96 | 43.29 | 47.44 | 50.22 | 50.62 | 50.65 | 51.22 | 52.06 | 59.65 | 75.19 | 95.66 | 115.04 | 155.44 | 163.72 | 217.19 | 267.1 | 310.77 |
| Accumulated Precipitation Departure from Normal (in.) | -0.66 | -0.57 | 4.17 | 5.94 | 3.54 | 3.1 | 3.68 | 3.27 | 2.73 | 1.27 | -1.02 | 2.32 | -3.75 | -5.99 | 0.4 | -3.41 | -8.07 | -11.8 | -19.13 | -32.73 |
| Accumulated Precipitation Percent of Average | 90 | 96 | 119 | 119 | 109 | 107 | 108 | 107 | 106 | 103 | 98 | 104 | 95 | 94 | 100 | 98 | 95 | 95 | 93 | 90 |
| Accumulated Precipitation Percentile (non-exceedance) | 46.1 | 49.1 | 78.2 | 80.6 | 67.8 | 65.3 | 67.3 | 65.8 | 63.7 | 57.8 | 48.3 | 61.4 | 38.4 | 33.5 | 52.8 | 43.2 | 33.2 | 28.8 | 20.3 | 9.4 |
| Standardized Precipitation Index | -0.1 | -0.02 | 0.78 | 0.86 | 0.46 | 0.39 | 0.45 | 0.41 | 0.35 | 0.2 | -0.04 | 0.29 | -0.29 | -0.42 | 0.07 | -0.17 | -0.43 | -0.56 | -0.83 | -1.32 |