| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 0.9 | 1.6 | 2.04 | 5.98 | 13.96 | 21.03 | 27.91 | 34.62 | 39.09 | 39.58 | 41.09 | 42.84 | 46.24 | 71.2 | 99.63 | 127.07 | 156.61 | 210.19 | 260.51 | 321.01 |
| Accumulated Precipitation Departure from Normal (in.) | -0.99 | -1.96 | -3.55 | -4.44 | -4.14 | -4.6 | -5.11 | -6.78 | -7.03 | -9.16 | -10 | -10.29 | -12.48 | -7.57 | -6.68 | -4.9 | -2.89 | -2.44 | -5.22 | 2.18 |
| Accumulated Precipitation Percent of Average | 48 | 45 | 36 | 57 | 77 | 82 | 85 | 84 | 85 | 81 | 80 | 81 | 79 | 90 | 94 | 96 | 98 | 99 | 98 | 101 |
| Accumulated Precipitation Percentile (non-exceedance) | 27.3 | 16.2 | 5.4 | 8 | 17.9 | 16.7 | 16.5 | 13.1 | 12.9 | 7.3 | 6.1 | 6.3 | 4.7 | 21 | 26.1 | 34.9 | 41.7 | 43.8 | 37.1 | 56 |
| Standardized Precipitation Index | -0.6 | -0.99 | -1.6 | -1.4 | -0.92 | -0.97 | -0.98 | -1.12 | -1.13 | -1.45 | -1.55 | -1.53 | -1.67 | -0.81 | -0.64 | -0.39 | -0.21 | -0.15 | -0.33 | 0.15 |