| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 4.33 | 7.24 | 9.86 | 11.59 | 12.75 | 15.25 | 20.53 | 23.5 | 25.59 | 27.81 | 33.51 | 41.44 | 59.16 | 75.35 | 97.08 | 121.66 | 138.77 | 193.94 | 245.19 | 299.34 |
| Accumulated Precipitation Departure from Normal (in.) | -0.86 | -3.2 | -4.75 | -7.6 | -11.38 | -13.26 | -11.43 | -11.71 | -12.92 | -14.3 | -12.35 | -9.39 | -6.32 | -4.1 | -4.66 | -8.64 | -13.82 | -9.65 | -9.37 | -6.25 |
| Accumulated Precipitation Percent of Average | 83 | 69 | 67 | 60 | 53 | 53 | 64 | 67 | 66 | 66 | 73 | 82 | 90 | 95 | 95 | 93 | 91 | 95 | 96 | 98 |
| Accumulated Precipitation Percentile (non-exceedance) | 43.2 | 19.5 | 12.9 | 4.1 | 0.9 | 0.8 | 3.2 | 3.1 | 2.5 | 1.8 | 4.5 | 11.5 | 26.2 | 36.7 | 36 | 26.9 | 16.7 | 27.6 | 29.8 | 37.4 |
| Standardized Precipitation Index | -0.17 | -0.86 | -1.13 | -1.74 | -2.35 | -2.42 | -1.85 | -1.86 | -1.96 | -2.09 | -1.7 | -1.2 | -0.64 | -0.34 | -0.36 | -0.62 | -0.96 | -0.59 | -0.53 | -0.32 |