| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.09 | 6.19 | 19.38 | 30.47 | 36.64 | 52.73 | 67.06 | 72.23 | 73.52 | 74.91 | 75.08 | 78.17 | 96.76 | 138.76 | 158 | 202.44 | 227.45 | 309.61 | 378.8 | 443.51 |
| Accumulated Precipitation Departure from Normal (in.) | -1.66 | -4.72 | -0.35 | 1.69 | -3.96 | -0.35 | 2.15 | 0.94 | -0.82 | -0.55 | -1.21 | -1.32 | -2.46 | 6.25 | -0.93 | -9.34 | -10.81 | -8.04 | -18.21 | -32.97 |
| Accumulated Precipitation Percent of Average | 65 | 57 | 98 | 106 | 90 | 99 | 103 | 101 | 99 | 99 | 98 | 98 | 98 | 105 | 99 | 96 | 95 | 97 | 95 | 93 |
| Accumulated Precipitation Percentile (non-exceedance) | 25.1 | 6.5 | 50.8 | 62.7 | 33.5 | 51.1 | 59.4 | 55.3 | 49.8 | 50.5 | 48.4 | 48.2 | 44.9 | 66.4 | 49.5 | 33.8 | 32.7 | 39.2 | 27.9 | 16.3 |
| Standardized Precipitation Index | -0.67 | -1.51 | 0.02 | 0.32 | -0.43 | 0.03 | 0.24 | 0.13 | -0.01 | 0.01 | -0.04 | -0.05 | -0.13 | 0.42 | -0.01 | -0.42 | -0.45 | -0.27 | -0.58 | -0.98 |