| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 11.26 | 22.86 | 43.18 | 60.42 | 70.2 | 75.64 | 79.44 | 79.88 | 79.99 | 80.38 | 81.46 | 91.71 | 120.07 | 148.68 | 172.82 | 230.05 | 241.12 | 319.21 | 391.34 | 457.19 |
| Accumulated Precipitation Departure from Normal (in.) | 1.38 | 2.56 | 9.6 | 12.93 | 10.22 | 9.21 | 10.25 | 9.74 | 9.16 | 7.22 | 4.4 | 8.59 | 3.45 | -0.79 | 6.66 | -2.32 | -7.88 | -12.8 | -23.75 | -41 |
| Accumulated Precipitation Percent of Average | 114 | 113 | 129 | 127 | 117 | 114 | 115 | 114 | 113 | 110 | 106 | 110 | 103 | 99 | 104 | 99 | 97 | 96 | 94 | 92 |
| Accumulated Precipitation Percentile (non-exceedance) | 67.3 | 68.2 | 86.3 | 88.1 | 78.8 | 75.5 | 77.4 | 76.4 | 75.2 | 70.8 | 63.9 | 73.1 | 59.7 | 50.2 | 63.7 | 47.9 | 39.8 | 35.2 | 25.6 | 14.7 |
| Standardized Precipitation Index | 0.45 | 0.47 | 1.09 | 1.18 | 0.8 | 0.69 | 0.75 | 0.72 | 0.68 | 0.55 | 0.36 | 0.61 | 0.24 | 0.01 | 0.35 | -0.05 | -0.26 | -0.38 | -0.65 | -1.05 |