| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 8.26 | 11.52 | 14.49 | 16.68 | 17.63 | 21.22 | 23.65 | 23.73 | 25.17 | 30.81 | 33.9 | 36.83 | 50.72 | 66.55 | 91.68 | 108.93 | 130.08 | 179.7 | 227.92 | 275.63 |
| Accumulated Precipitation Departure from Normal (in.) | 4.33 | 3.92 | 3.22 | 2.52 | 0.19 | 0.2 | -0.64 | -3.97 | -6.49 | -5.26 | -6.68 | -7.81 | -5.17 | 0.81 | 2.26 | -1.54 | -4.06 | 0.81 | 4.35 | 7.4 |
| Accumulated Precipitation Percent of Average | 210 | 152 | 129 | 118 | 101 | 101 | 97 | 86 | 79 | 85 | 84 | 82 | 91 | 101 | 103 | 99 | 97 | 100 | 102 | 103 |
| Accumulated Precipitation Percentile (non-exceedance) | 97.7 | 95.3 | 88.9 | 81.6 | 54.7 | 54.5 | 46.5 | 20.4 | 10 | 18.2 | 13.3 | 11.1 | 24.2 | 55.7 | 60.2 | 45.6 | 38.3 | 53.3 | 60.9 | 65.4 |
| Standardized Precipitation Index | 2 | 1.67 | 1.22 | 0.9 | 0.12 | 0.11 | -0.09 | -0.83 | -1.28 | -0.91 | -1.11 | -1.22 | -0.7 | 0.14 | 0.26 | -0.11 | -0.3 | 0.08 | 0.28 | 0.4 |