| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.07 | 7.03 | 9.88 | 15.31 | 17.66 | 22.59 | 27.67 | 34.55 | 40.03 | 46.76 | 50.1 | 52.3 | 60.78 | 75.38 | 101.31 | 119 | 139.91 | 176.7 | 222.26 | 266.48 |
| Accumulated Precipitation Departure from Normal (in.) | 3.11 | 1.54 | 1.51 | 3.62 | 2.35 | 3.47 | 4.91 | 8.01 | 9.35 | 12.05 | 12.04 | 11.18 | 11.31 | 15.16 | 19.15 | 17.74 | 16.75 | 12.55 | 17.07 | 20.3 |
| Accumulated Precipitation Percent of Average | 205 | 128 | 118 | 131 | 115 | 118 | 122 | 130 | 130 | 135 | 132 | 127 | 123 | 125 | 123 | 118 | 114 | 108 | 108 | 108 |
| Accumulated Precipitation Percentile (non-exceedance) | 98.6 | 84.7 | 80.1 | 92.7 | 80.9 | 85.4 | 91.1 | 97.1 | 98.3 | 99.3 | 99 | 98 | 97.3 | 98.3 | 98.9 | 96.7 | 94.7 | 84.7 | 88.4 | 89.5 |
| Standardized Precipitation Index | 2.18 | 1.02 | 0.84 | 1.45 | 0.87 | 1.05 | 1.35 | 1.89 | 2.12 | 2.44 | 2.31 | 2.05 | 1.93 | 2.11 | 2.28 | 1.84 | 1.61 | 1.03 | 1.2 | 1.25 |