| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.22 | 3.9 | 6.79 | 8.52 | 12.44 | 14.94 | 16.95 | 21.01 | 25.65 | 35.5 | 38.64 | 41.4 | 48.96 | 54.66 | 84.74 | 113.04 | 141.86 | 189.92 | 242.3 | 286.92 |
| Accumulated Precipitation Departure from Normal (in.) | -1.59 | -1.96 | -2.54 | -4.26 | -4.09 | -5.62 | -7.85 | -8.23 | -7.84 | -2.07 | -2.72 | -3.42 | -5.25 | -10.81 | -4.97 | 2.59 | 7.21 | 10.46 | 18.1 | 18.02 |
| Accumulated Precipitation Percent of Average | 43 | 67 | 73 | 67 | 75 | 73 | 68 | 72 | 77 | 94 | 93 | 92 | 90 | 83 | 94 | 102 | 105 | 106 | 108 | 107 |
| Accumulated Precipitation Percentile (non-exceedance) | 6.2 | 13.1 | 14.4 | 5.7 | 12 | 8.1 | 4 | 4.7 | 7.5 | 38.2 | 34.6 | 30.8 | 23.1 | 9.5 | 32.3 | 60 | 71.2 | 74.7 | 83.5 | 80.8 |
| Standardized Precipitation Index | -1.54 | -1.12 | -1.06 | -1.58 | -1.17 | -1.4 | -1.75 | -1.68 | -1.44 | -0.3 | -0.4 | -0.5 | -0.74 | -1.31 | -0.46 | 0.25 | 0.56 | 0.66 | 0.98 | 0.87 |