| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.19 | 4.82 | 6.61 | 9.49 | 15.1 | 15.68 | 19.83 | 21.28 | 28 | 31.75 | 39.08 | 47.82 | 63.73 | 80.52 | 111.33 | 138.95 | 164.08 | 230.31 | 297.41 | 366.71 |
| Accumulated Precipitation Departure from Normal (in.) | -2.66 | -5.91 | -9.03 | -10.88 | -10.38 | -13.52 | -12.75 | -16.88 | -16.54 | -20.13 | -18.63 | -14.46 | -14.27 | -11.09 | -13.37 | -15.07 | -23.04 | -19.43 | -14.91 | -8.16 |
| Accumulated Precipitation Percent of Average | 45 | 45 | 42 | 47 | 59 | 54 | 61 | 56 | 63 | 61 | 68 | 77 | 82 | 88 | 89 | 90 | 88 | 92 | 95 | 98 |
| Accumulated Precipitation Percentile (non-exceedance) | 20.9 | 8.2 | 1.9 | 1.4 | 3.7 | 1.8 | 3.3 | 1 | 1.4 | 0.4 | 1.3 | 6 | 11.3 | 19.2 | 17.8 | 18.1 | 9.5 | 17 | 25.7 | 37.6 |
| Standardized Precipitation Index | -0.81 | -1.39 | -2.08 | -2.2 | -1.79 | -2.09 | -1.84 | -2.33 | -2.2 | -2.62 | -2.23 | -1.55 | -1.21 | -0.87 | -0.92 | -0.91 | -1.31 | -0.96 | -0.65 | -0.31 |