| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 9.48 | 14.69 | 19.59 | 24.46 | 28.24 | 33.25 | 38.19 | 38.66 | 43.57 | 44.9 | 51.91 | 54.82 | 75.42 | 92.34 | 105.57 | 141.03 | 172.64 | 239.76 | 309.51 | 378.85 |
| Accumulated Precipitation Departure from Normal (in.) | 4.7 | 4.55 | 3.46 | 2.94 | 1.21 | 0.51 | 1.39 | -1.23 | -0.08 | -3.62 | -2.32 | -4.02 | 0.47 | 0.73 | -12.17 | -9.53 | -4.16 | 3.84 | 14.52 | 24.88 |
| Accumulated Precipitation Percent of Average | 198 | 145 | 121 | 114 | 104 | 102 | 104 | 97 | 100 | 93 | 96 | 93 | 101 | 101 | 90 | 94 | 98 | 102 | 105 | 107 |
| Accumulated Precipitation Percentile (non-exceedance) | 93.8 | 85.5 | 76.8 | 71.3 | 60.4 | 55.7 | 59.7 | 46.4 | 52.2 | 35.7 | 41.5 | 34.7 | 53.7 | 54.2 | 19.1 | 27 | 41.4 | 58.8 | 74.9 | 84.9 |
| Standardized Precipitation Index | 1.54 | 1.06 | 0.73 | 0.56 | 0.26 | 0.14 | 0.25 | -0.09 | 0.06 | -0.37 | -0.21 | -0.39 | 0.09 | 0.1 | -0.87 | -0.61 | -0.22 | 0.22 | 0.67 | 1.03 |