| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.54 | 3.34 | 7.65 | 11.66 | 13.13 | 17.91 | 24.55 | 26.23 | 27.06 | 27.83 | 28.55 | 30.86 | 37.89 | 51.42 | 62.06 | 79.77 | 93.09 | 127.32 | 154.2 | 186.86 |
| Accumulated Precipitation Departure from Normal (in.) | -1.02 | -1.5 | -0.42 | 0.26 | -2.78 | -2.59 | -0.7 | -1.82 | -2.72 | -3.12 | -3.48 | -3.49 | -4.53 | -3.48 | -6.7 | -9.49 | -10.05 | -10.13 | -17.57 | -19.24 |
| Accumulated Precipitation Percent of Average | 60 | 69 | 95 | 102 | 83 | 87 | 97 | 94 | 91 | 90 | 89 | 90 | 89 | 94 | 90 | 89 | 90 | 93 | 90 | 91 |
| Accumulated Precipitation Percentile (non-exceedance) | 20.2 | 19.4 | 45.9 | 57 | 20.2 | 26.2 | 46.6 | 38.6 | 33.1 | 30.4 | 28.1 | 28.9 | 24.7 | 32.8 | 22.4 | 17.5 | 18.7 | 22.8 | 12.3 | 12.7 |
| Standardized Precipitation Index | -0.84 | -0.86 | -0.1 | 0.18 | -0.83 | -0.64 | -0.09 | -0.29 | -0.44 | -0.51 | -0.58 | -0.56 | -0.68 | -0.44 | -0.76 | -0.93 | -0.89 | -0.74 | -1.16 | -1.14 |