| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.37 | 7.24 | 8.63 | 10.94 | 13.63 | 16.43 | 21.99 | 26.14 | 27.49 | 32.47 | 38.18 | 45.4 | 66.71 | 78.91 | 101.1 | 122.95 | 144.12 | 190.48 | 246.09 | 296.77 |
| Accumulated Precipitation Departure from Normal (in.) | -0.69 | -1.32 | -3.27 | -4.79 | -5.86 | -6.42 | -3.69 | -2.76 | -5.16 | -4.73 | -3.32 | -0.52 | 8.86 | 10 | 9.16 | 8.15 | 6.29 | 6.76 | 16.54 | 21.37 |
| Accumulated Precipitation Percent of Average | 83 | 85 | 73 | 70 | 70 | 72 | 86 | 90 | 84 | 87 | 92 | 99 | 115 | 115 | 110 | 107 | 105 | 104 | 107 | 108 |
| Accumulated Precipitation Percentile (non-exceedance) | 40.2 | 34.8 | 18 | 10.4 | 7.8 | 7.7 | 24.2 | 32.5 | 19.6 | 23.6 | 32.5 | 49.2 | 85.8 | 87.4 | 80.5 | 76.6 | 69.3 | 67.9 | 82.9 | 86.1 |
| Standardized Precipitation Index | -0.25 | -0.39 | -0.91 | -1.26 | -1.42 | -1.42 | -0.7 | -0.45 | -0.86 | -0.72 | -0.45 | -0.02 | 1.07 | 1.14 | 0.86 | 0.73 | 0.5 | 0.46 | 0.95 | 1.08 |