| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.16 | 3.07 | 5.36 | 7.61 | 9.6 | 11.28 | 16.64 | 22.69 | 27.06 | 33.66 | 37.16 | 38.78 | 48.2 | 54.02 | 78.29 | 93.98 | 114.8 | 153.06 | 198.99 | 238.39 |
| Accumulated Precipitation Departure from Normal (in.) | -1.58 | -2.53 | -3.31 | -3.93 | -5.14 | -6.91 | -5.57 | -3.71 | -3.61 | -0.83 | -0.88 | -1.5 | -0.87 | -4.61 | -2.38 | -5.05 | -6.25 | -8.39 | -2.84 | -3.84 |
| Accumulated Precipitation Percent of Average | 42 | 55 | 62 | 66 | 65 | 62 | 75 | 86 | 88 | 98 | 98 | 96 | 98 | 92 | 97 | 95 | 95 | 95 | 99 | 98 |
| Accumulated Precipitation Percentile (non-exceedance) | 15.1 | 12.8 | 11.7 | 10.9 | 8.5 | 4.2 | 11.7 | 25 | 27.2 | 46.5 | 46.2 | 42 | 46.6 | 28 | 40.2 | 31.5 | 28.6 | 26.3 | 43.4 | 41.9 |
| Standardized Precipitation Index | -1.03 | -1.14 | -1.19 | -1.23 | -1.37 | -1.73 | -1.19 | -0.67 | -0.61 | -0.09 | -0.1 | -0.2 | -0.08 | -0.58 | -0.25 | -0.48 | -0.57 | -0.63 | -0.17 | -0.21 |