| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.04 | 7.37 | 12.31 | 15.47 | 17.08 | 18.71 | 20.63 | 25.27 | 30.56 | 34.66 | 37.91 | 41.71 | 54.34 | 62.31 | 92.08 | 116.09 | 143.28 | 201.71 | 264.04 | 329.53 |
| Accumulated Precipitation Departure from Normal (in.) | -1.56 | -0.98 | -0.12 | -0.96 | -2.71 | -3.89 | -5.17 | -4.57 | -4.27 | -4.59 | -5.68 | -5.88 | -5.68 | -7.97 | -3.2 | -1.89 | 0.33 | 11.12 | 25.96 | 43.99 |
| Accumulated Precipitation Percent of Average | 66 | 88 | 99 | 94 | 86 | 83 | 80 | 85 | 88 | 88 | 87 | 88 | 91 | 89 | 97 | 98 | 100 | 106 | 111 | 115 |
| Accumulated Precipitation Percentile (non-exceedance) | 20.5 | 39.5 | 52 | 43.2 | 27.3 | 19.8 | 14.9 | 20.3 | 23.1 | 22.9 | 19.2 | 19.4 | 23.9 | 17.9 | 38.7 | 44.6 | 52.2 | 78.4 | 94.2 | 99.1 |
| Standardized Precipitation Index | -0.82 | -0.27 | 0.05 | -0.17 | -0.6 | -0.85 | -1.04 | -0.83 | -0.74 | -0.74 | -0.87 | -0.86 | -0.71 | -0.92 | -0.29 | -0.14 | 0.06 | 0.79 | 1.57 | 2.36 |