| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.79 | 3.54 | 7.53 | 9.83 | 14.49 | 16.47 | 18.73 | 18.82 | 19.9 | 20.82 | 21.57 | 26.43 | 40.65 | 54.6 | 68.93 | 97.68 | 108.59 | 140.03 | 186.11 | 229.97 |
| Accumulated Precipitation Departure from Normal (in.) | -0.93 | -4.31 | -4.22 | -6.75 | -6.46 | -7.5 | -7.13 | -8.05 | -7.81 | -7.96 | -8.78 | -6.43 | -4 | -2.29 | 3.17 | 7.93 | 9.99 | 8.61 | 21.83 | 32.93 |
| Accumulated Precipitation Percent of Average | 75 | 45 | 64 | 59 | 69 | 69 | 72 | 70 | 72 | 72 | 71 | 80 | 91 | 96 | 105 | 109 | 110 | 107 | 113 | 117 |
| Accumulated Precipitation Percentile (non-exceedance) | 39.6 | 5 | 13.7 | 4.1 | 8.6 | 6 | 8.8 | 6.1 | 7 | 7.3 | 5.9 | 15.8 | 32 | 41.4 | 64.7 | 76.9 | 80.4 | 73.8 | 91.2 | 96.7 |
| Standardized Precipitation Index | -0.26 | -1.65 | -1.09 | -1.74 | -1.37 | -1.55 | -1.35 | -1.54 | -1.48 | -1.45 | -1.57 | -1 | -0.47 | -0.22 | 0.38 | 0.73 | 0.85 | 0.64 | 1.36 | 1.84 |