| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.3 | 3.37 | 5.43 | 7.5 | 9.61 | 11.9 | 16.59 | 21.89 | 24.83 | 28.02 | 31.84 | 32.89 | 40.08 | 44.88 | 69.71 | 86.5 | 106.74 | 140.72 | 182.07 | 213.26 |
| Accumulated Precipitation Departure from Normal (in.) | -0.97 | -1.41 | -2.13 | -3.04 | -4.15 | -5.48 | -4.61 | -3.42 | -4.41 | -4.75 | -3.79 | -4.64 | -5.12 | -10.16 | -5.47 | -6.18 | -6.04 | -9.71 | -6.02 | -12.53 |
| Accumulated Precipitation Percent of Average | 57 | 71 | 72 | 71 | 70 | 68 | 78 | 86 | 85 | 86 | 89 | 88 | 89 | 82 | 93 | 93 | 95 | 94 | 97 | 94 |
| Accumulated Precipitation Percentile (non-exceedance) | 23.5 | 25.2 | 18.8 | 13.3 | 8.9 | 5.9 | 12.6 | 23.4 | 17.9 | 17 | 22.5 | 18.1 | 17.9 | 3.5 | 19.9 | 20.9 | 23.2 | 15.9 | 30.2 | 16.3 |
| Standardized Precipitation Index | -0.72 | -0.67 | -0.88 | -1.11 | -1.35 | -1.56 | -1.15 | -0.72 | -0.92 | -0.96 | -0.76 | -0.91 | -0.92 | -1.82 | -0.84 | -0.81 | -0.73 | -1 | -0.52 | -0.98 |