| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 4.2 | 6.66 | 9.26 | 14.2 | 17.44 | 20.78 | 23.29 | 29.09 | 32.74 | 38.61 | 40.2 | 44.51 | 57.32 | 67.63 | 101.51 | 122.68 | 146.51 | 193.24 | 234.79 | 276.83 |
| Accumulated Precipitation Departure from Normal (in.) | 0.22 | -1.26 | -2.3 | -1.08 | -1.54 | -1.29 | -2.09 | -0.12 | -0.53 | 1.55 | -0.6 | -0.01 | 1.22 | 1.03 | 12.46 | 11.56 | 13.09 | 15.46 | 12.68 | 10.35 |
| Accumulated Precipitation Percent of Average | 106 | 84 | 80 | 93 | 92 | 94 | 92 | 100 | 98 | 104 | 99 | 100 | 102 | 102 | 114 | 110 | 110 | 109 | 106 | 104 |
| Accumulated Precipitation Percentile (non-exceedance) | 60.7 | 32.6 | 23.7 | 40.9 | 36 | 39.3 | 32.3 | 51 | 47.9 | 62.4 | 48 | 51.8 | 58.3 | 56.6 | 88.9 | 83.7 | 83.3 | 82.6 | 74.9 | 68.9 |
| Standardized Precipitation Index | 0.27 | -0.45 | -0.72 | -0.23 | -0.36 | -0.27 | -0.46 | 0.03 | -0.05 | 0.32 | -0.05 | 0.05 | 0.21 | 0.17 | 1.22 | 0.98 | 0.97 | 0.94 | 0.67 | 0.49 |