| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.06 | 6.63 | 13.87 | 22.23 | 27.34 | 30.49 | 33.17 | 33.73 | 34.04 | 35.1 | 36.1 | 40.14 | 50.52 | 66.97 | 79.1 | 117.14 | 126.4 | 172.72 | 216.88 | 253.89 |
| Accumulated Precipitation Departure from Normal (in.) | -1.18 | -2.1 | -0.97 | 0.81 | -0.5 | -1.46 | -1.02 | -1.64 | -2.26 | -3.14 | -4.53 | -3.59 | -8.06 | -8.75 | -8.42 | -2.37 | -4.9 | -2.32 | -1.87 | -8.52 |
| Accumulated Precipitation Percent of Average | 72 | 76 | 93 | 104 | 98 | 95 | 97 | 95 | 94 | 92 | 89 | 92 | 86 | 88 | 90 | 98 | 96 | 99 | 99 | 97 |
| Accumulated Precipitation Percentile (non-exceedance) | 26 | 20.6 | 41.7 | 59.9 | 48.9 | 42.7 | 45.7 | 41.6 | 37.6 | 32.4 | 24.5 | 29.7 | 14.5 | 16.4 | 19.4 | 43.2 | 35.6 | 44.8 | 46.5 | 32.9 |
| Standardized Precipitation Index | -0.64 | -0.82 | -0.21 | 0.25 | -0.03 | -0.18 | -0.11 | -0.21 | -0.31 | -0.46 | -0.69 | -0.53 | -1.06 | -0.98 | -0.86 | -0.17 | -0.37 | -0.13 | -0.09 | -0.44 |