| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 4.67 | 9.87 | 10.96 | 16.93 | 21.75 | 27.44 | 35.97 | 40.63 | 45.28 | 50.88 | 54.84 | 59.53 | 70.57 | 83.62 | 108.41 | 123.09 | 152.04 | 204.63 | 258.8 | 299.05 |
| Accumulated Precipitation Departure from Normal (in.) | 1.07 | 3.03 | 0.45 | 2.69 | 3.73 | 5.22 | 8.94 | 9.17 | 9.81 | 12.72 | 13.88 | 15.45 | 15.98 | 17.36 | 20.4 | 12.91 | 20.16 | 29.02 | 39.49 | 36.14 |
| Accumulated Precipitation Percent of Average | 130 | 144 | 104 | 119 | 121 | 123 | 133 | 129 | 128 | 133 | 134 | 135 | 129 | 126 | 123 | 112 | 115 | 117 | 118 | 114 |
| Accumulated Precipitation Percentile (non-exceedance) | 74.1 | 86.6 | 59.4 | 76.8 | 81.3 | 85.3 | 93.2 | 92 | 91.5 | 95.2 | 95.9 | 96.6 | 95.7 | 96.2 | 96 | 85.4 | 92.4 | 96.7 | 98.9 | 97.9 |
| Standardized Precipitation Index | 0.65 | 1.11 | 0.24 | 0.73 | 0.89 | 1.05 | 1.49 | 1.4 | 1.37 | 1.67 | 1.74 | 1.82 | 1.72 | 1.77 | 1.75 | 1.05 | 1.43 | 1.84 | 2.28 | 2.03 |