| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.23 | 11.08 | 18.38 | 22.85 | 25.26 | 25.8 | 26.64 | 32.97 | 37.35 | 40.58 | 43.59 | 48.48 | 66.68 | 80.65 | 103.3 | 137.26 | 174.25 | 238.24 | 314.26 | 384.6 |
| Accumulated Precipitation Departure from Normal (in.) | 0.22 | 0.03 | 2.15 | 1.07 | -0.73 | -3.42 | -5.96 | -3.48 | -3.71 | -4.62 | -6.02 | -6.02 | -4.03 | -3.15 | -5.8 | -1.14 | 10.52 | 19.92 | 41.41 | 57.3 |
| Accumulated Precipitation Percent of Average | 104 | 100 | 113 | 105 | 97 | 88 | 82 | 90 | 91 | 90 | 88 | 89 | 94 | 96 | 95 | 99 | 106 | 109 | 115 | 118 |
| Accumulated Precipitation Percentile (non-exceedance) | 59.2 | 55 | 70.6 | 60.8 | 48.3 | 31.2 | 18.7 | 32.9 | 32.2 | 28.5 | 23.1 | 24.7 | 36.5 | 41.1 | 34.4 | 48.7 | 74 | 84.1 | 96.2 | 98.7 |
| Standardized Precipitation Index | 0.23 | 0.12 | 0.54 | 0.27 | -0.04 | -0.49 | -0.89 | -0.44 | -0.46 | -0.57 | -0.73 | -0.68 | -0.34 | -0.22 | -0.4 | -0.03 | 0.64 | 1 | 1.78 | 2.23 |