| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.46 | 14.73 | 20.51 | 25.57 | 26.82 | 27.29 | 27.32 | 28.35 | 30.02 | 32.28 | 41.44 | 49.16 | 75.62 | 81.58 | 103.74 | 141.91 | 161.99 | 214.23 | 265.96 | 316.48 |
| Accumulated Precipitation Departure from Normal (in.) | -5.04 | -3.14 | -6.09 | -5.62 | -6.55 | -6.88 | -7.42 | -8.41 | -9.86 | -11.83 | -9.06 | -8.05 | -8.25 | -9.87 | -10.76 | -6.73 | -9.71 | -14.59 | -20.05 | -26.71 |
| Accumulated Precipitation Percent of Average | 41 | 82 | 77 | 82 | 80 | 80 | 79 | 77 | 75 | 73 | 82 | 86 | 90 | 89 | 91 | 95 | 94 | 94 | 93 | 92 |
| Accumulated Precipitation Percentile (non-exceedance) | 6.5 | 33.1 | 22.5 | 26.4 | 22.1 | 20.3 | 18.1 | 15.1 | 11.4 | 7.5 | 16.1 | 20.8 | 24.6 | 21.1 | 20.9 | 34.5 | 28.8 | 23 | 17.7 | 13.1 |
| Standardized Precipitation Index | -1.52 | -0.44 | -0.76 | -0.63 | -0.77 | -0.83 | -0.91 | -1.03 | -1.21 | -1.44 | -0.99 | -0.81 | -0.69 | -0.8 | -0.81 | -0.4 | -0.56 | -0.74 | -0.93 | -1.12 |