| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 4.51 | 6.54 | 10.52 | 13.34 | 17.24 | 19.16 | 20.99 | 22.85 | 24.28 | 27.92 | 29.73 | 31.53 | 51.41 | 58.15 | 74.65 | 94.67 | 116.8 | 154.62 | 199.07 | 237.67 |
| Accumulated Precipitation Departure from Normal (in.) | 0.57 | -1.39 | -1.37 | -2.04 | -1.65 | -2.43 | -3.57 | -4.92 | -6.49 | -6.17 | -8.07 | -10.18 | -2.2 | -5.17 | -8.9 | -10.45 | -8.62 | -12.7 | -10.12 | -13.4 |
| Accumulated Precipitation Percent of Average | 114 | 82 | 89 | 87 | 91 | 89 | 85 | 82 | 79 | 82 | 79 | 76 | 96 | 92 | 89 | 90 | 93 | 92 | 95 | 95 |
| Accumulated Precipitation Percentile (non-exceedance) | 68.2 | 31.4 | 36.1 | 29.1 | 34.2 | 28 | 19.6 | 13.9 | 9.5 | 12.4 | 7.6 | 4.3 | 39.6 | 25.5 | 16.7 | 15.1 | 22.9 | 16.5 | 24.9 | 20.7 |
| Standardized Precipitation Index | 0.47 | -0.49 | -0.36 | -0.55 | -0.41 | -0.58 | -0.85 | -1.08 | -1.31 | -1.15 | -1.43 | -1.72 | -0.26 | -0.66 | -0.97 | -1.03 | -0.74 | -0.97 | -0.68 | -0.82 |