| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 5.45 | 10.93 | 12.79 | 19.53 | 22.54 | 26 | 29.98 | 30.55 | 34.44 | 36.57 | 39.33 | 42.26 | 54.67 | 65.24 | 83.94 | 103.35 | 129 | 177.4 | 222.16 | 276.69 |
| Accumulated Precipitation Departure from Normal (in.) | 1.26 | 2.96 | 0.69 | 4.14 | 3.53 | 3.5 | 4.38 | 2.13 | 2.89 | 0.96 | -1.2 | -2.49 | -2.17 | -2.06 | -5.65 | -8.79 | -5.46 | -1.94 | -2.02 | 7.61 |
| Accumulated Precipitation Percent of Average | 130 | 137 | 106 | 127 | 119 | 116 | 117 | 108 | 109 | 103 | 97 | 94 | 96 | 97 | 94 | 92 | 96 | 99 | 99 | 103 |
| Accumulated Precipitation Percentile (non-exceedance) | 79.4 | 91.1 | 62.9 | 89.5 | 84.4 | 81.2 | 84.3 | 69.1 | 72.8 | 59 | 43 | 34.6 | 38.1 | 40.4 | 26.6 | 18.6 | 31.1 | 44.5 | 44.8 | 70 |
| Standardized Precipitation Index | 0.82 | 1.35 | 0.33 | 1.26 | 1.01 | 0.89 | 1 | 0.5 | 0.61 | 0.23 | -0.17 | -0.4 | -0.3 | -0.24 | -0.63 | -0.89 | -0.49 | -0.14 | -0.13 | 0.52 |