| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.36 | 8.6 | 9.24 | 10.41 | 11.36 | 12.92 | 15.27 | 17.21 | 20.42 | 31.24 | 37.95 | 41.14 | 48.22 | 53.17 | 77.58 | 87.45 | 104.43 | 133.51 | 164.02 | 191.66 |
| Accumulated Precipitation Departure from Normal (in.) | 3.22 | 3.49 | 3.11 | 3.33 | 3.1 | 2.93 | 2.85 | 1.19 | 0.53 | 7.36 | 9.3 | 8.19 | 9.16 | 10.23 | 11.72 | 11.68 | 5.74 | 1.87 | -0.63 | -6.05 |
| Accumulated Precipitation Percent of Average | 203 | 168 | 151 | 147 | 138 | 129 | 123 | 107 | 103 | 131 | 132 | 125 | 123 | 124 | 118 | 115 | 106 | 101 | 100 | 97 |
| Accumulated Precipitation Percentile (non-exceedance) | 96.4 | 94.3 | 91.8 | 93.4 | 91.2 | 86.5 | 83 | 65 | 57.7 | 91.8 | 94 | 90.2 | 90.2 | 91.8 | 89.7 | 88.2 | 71.2 | 57.1 | 49.5 | 36.3 |
| Standardized Precipitation Index | 1.8 | 1.58 | 1.39 | 1.5 | 1.35 | 1.1 | 0.95 | 0.38 | 0.19 | 1.39 | 1.56 | 1.29 | 1.29 | 1.4 | 1.27 | 1.18 | 0.56 | 0.18 | -0.01 | -0.35 |