| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 8.99 | 10.93 | 17.5 | 25.21 | 27.5 | 29.49 | 39.19 | 42.3 | 47.64 | 49.95 | 52.43 | 58.52 | 66.17 | 81.61 | 100.57 | 116.52 | 143.67 | 200.27 | 245.24 | 306.44 |
| Accumulated Precipitation Departure from Normal (in.) | 4.92 | 3.62 | 6.65 | 10.51 | 9.5 | 8.04 | 14.26 | 12.81 | 13.85 | 12.63 | 11.67 | 14.15 | 11 | 15.82 | 11.91 | 6.37 | 10.62 | 22.85 | 23.62 | 40.58 |
| Accumulated Precipitation Percent of Average | 221 | 150 | 161 | 172 | 153 | 137 | 157 | 143 | 141 | 134 | 129 | 132 | 120 | 124 | 113 | 106 | 108 | 113 | 111 | 115 |
| Accumulated Precipitation Percentile (non-exceedance) | 99.1 | 93.7 | 98.8 | 99.5 | 98.3 | 95.5 | 99.4 | 98.4 | 98.7 | 97.7 | 96.2 | 97.9 | 94.2 | 96.5 | 89.5 | 74 | 83.1 | 95.6 | 94.1 | 99.1 |
| Standardized Precipitation Index | 2.36 | 1.53 | 2.25 | 2.6 | 2.12 | 1.7 | 2.53 | 2.16 | 2.22 | 1.99 | 1.78 | 2.04 | 1.57 | 1.82 | 1.26 | 0.64 | 0.96 | 1.71 | 1.56 | 2.36 |