| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 9.84 | 15.58 | 20.38 | 26.04 | 29.06 | 33.67 | 36.99 | 37.02 | 45.08 | 46.75 | 55.32 | 58.33 | 75.84 | 92.64 | 115.43 | 148.25 | 174.6 | 239.34 | 295.25 | 364.06 |
| Accumulated Precipitation Departure from Normal (in.) | 5.85 | 6.77 | 5.39 | 5.76 | 3.7 | 3.21 | 2.84 | 0.06 | 4.64 | 2.12 | 5.41 | 4.17 | 6.74 | 7.97 | 7.06 | 9.37 | 12.01 | 22.4 | 24.07 | 38.62 |
| Accumulated Precipitation Percent of Average | 246 | 177 | 136 | 128 | 115 | 111 | 108 | 100 | 111 | 105 | 111 | 108 | 110 | 109 | 107 | 107 | 107 | 110 | 109 | 112 |
| Accumulated Precipitation Percentile (non-exceedance) | 98.5 | 96.7 | 88.2 | 85.8 | 75 | 70.5 | 67.6 | 53 | 74 | 62.7 | 76.3 | 70.8 | 76.7 | 77.2 | 72.9 | 75.8 | 79.7 | 91.1 | 90.4 | 97.1 |
| Standardized Precipitation Index | 2.18 | 1.84 | 1.18 | 1.07 | 0.67 | 0.54 | 0.46 | 0.07 | 0.64 | 0.32 | 0.72 | 0.55 | 0.73 | 0.75 | 0.61 | 0.7 | 0.83 | 1.35 | 1.3 | 1.9 |