| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.25 | 5.76 | 7.95 | 13.5 | 16.82 | 19.45 | 23.66 | 25.86 | 33.78 | 36.81 | 40.89 | 43.63 | 52.59 | 60.15 | 89.51 | 126.76 | 153.09 | 200.53 | 252.15 | 296.17 |
| Accumulated Precipitation Departure from Normal (in.) | -1.39 | -1.95 | -3.78 | -2.12 | -2.81 | -4.37 | -4.21 | -5.76 | -1.72 | -2.78 | -2.86 | -3.42 | -6.26 | -10.8 | -4.66 | 8.63 | 11.78 | 12.27 | 17.02 | 14.17 |
| Accumulated Precipitation Percent of Average | 62 | 75 | 68 | 86 | 86 | 82 | 85 | 82 | 95 | 93 | 93 | 93 | 89 | 85 | 95 | 107 | 108 | 107 | 107 | 105 |
| Accumulated Precipitation Percentile (non-exceedance) | 21.4 | 23.3 | 9.9 | 31.3 | 28.9 | 20.4 | 23.2 | 16.4 | 41.2 | 35.2 | 35.4 | 32.2 | 21.6 | 12.4 | 34.4 | 75.8 | 80.3 | 77.1 | 81.3 | 74.8 |
| Standardized Precipitation Index | -0.79 | -0.73 | -1.29 | -0.49 | -0.56 | -0.83 | -0.73 | -0.98 | -0.22 | -0.38 | -0.37 | -0.46 | -0.79 | -1.16 | -0.4 | 0.7 | 0.85 | 0.74 | 0.89 | 0.67 |