| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 4.21 | 6.63 | 9.36 | 14.2 | 17.47 | 20.87 | 23.37 | 28.7 | 32.01 | 38.04 | 40.22 | 43.95 | 57.47 | 68.42 | 100.74 | 123.44 | 145.58 | 193.22 | 234.72 | 275.56 |
| Accumulated Precipitation Departure from Normal (in.) | 0.03 | -1.56 | -2.68 | -1.56 | -1.82 | -1.42 | -2.22 | -0.57 | -1.12 | 1.13 | -0.53 | -0.7 | 0.76 | 1.46 | 11.4 | 11.81 | 11.7 | 14.8 | 11.79 | 8.06 |
| Accumulated Precipitation Percent of Average | 101 | 81 | 78 | 90 | 91 | 94 | 91 | 98 | 97 | 103 | 99 | 98 | 101 | 102 | 113 | 111 | 109 | 108 | 105 | 103 |
| Accumulated Precipitation Percentile (non-exceedance) | 55.7 | 28.1 | 19.5 | 35.4 | 32.9 | 37.7 | 31.2 | 47 | 43.2 | 59.6 | 48.4 | 47.4 | 55.9 | 58.9 | 87.8 | 85.2 | 81.5 | 81.9 | 73.4 | 65 |
| Standardized Precipitation Index | 0.14 | -0.58 | -0.86 | -0.37 | -0.44 | -0.31 | -0.49 | -0.08 | -0.17 | 0.24 | -0.04 | -0.07 | 0.15 | 0.22 | 1.17 | 1.04 | 0.9 | 0.91 | 0.63 | 0.39 |