| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.61 | 2.63 | 4.83 | 7.66 | 9.26 | 13.85 | 16.02 | 18.13 | 22.1 | 24.3 | 28.46 | 30.24 | 35.56 | 41.91 | 65.01 | 76.69 | 103.71 | 137.45 | 188.6 | 226.52 |
| Accumulated Precipitation Departure from Normal (in.) | -0.73 | -0.94 | 0.23 | 1.72 | 1.39 | 3.07 | 1.26 | -0.53 | -0.55 | -3.44 | -4.22 | -5.79 | -5.07 | -4.87 | -7.1 | -6.13 | -4.45 | -6.81 | 8.26 | 10.18 |
| Accumulated Precipitation Percent of Average | 69 | 74 | 105 | 129 | 118 | 129 | 109 | 97 | 98 | 88 | 87 | 84 | 88 | 90 | 90 | 93 | 96 | 95 | 105 | 105 |
| Accumulated Precipitation Percentile (non-exceedance) | 34 | 30.9 | 60.2 | 80.8 | 72.5 | 83.5 | 65.6 | 48 | 48.7 | 29.7 | 27.5 | 20.6 | 25.7 | 29.6 | 25.6 | 30.7 | 37.8 | 33.5 | 69.7 | 72.2 |
| Standardized Precipitation Index | -0.41 | -0.5 | 0.26 | 0.87 | 0.6 | 0.97 | 0.4 | -0.05 | -0.03 | -0.53 | -0.6 | -0.82 | -0.65 | -0.54 | -0.66 | -0.5 | -0.31 | -0.43 | 0.51 | 0.59 |