| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.85 | 6.73 | 8.6 | 10.65 | 12.02 | 14.25 | 19.62 | 23.02 | 23.9 | 26.43 | 33.94 | 41 | 61.64 | 78.47 | 104.14 | 126.7 | 150.85 | 201.66 | 258.6 | 313.73 |
| Accumulated Precipitation Departure from Normal (in.) | -1.1 | -3.55 | -6.03 | -8.75 | -12.32 | -14.37 | -12.17 | -12.19 | -14.77 | -16.24 | -12.71 | -10.42 | -4.45 | -1.76 | 1.14 | -5.02 | -3.61 | -4.39 | 0.96 | 4.43 |
| Accumulated Precipitation Percent of Average | 78 | 65 | 59 | 55 | 49 | 50 | 62 | 65 | 62 | 62 | 73 | 80 | 93 | 98 | 101 | 96 | 98 | 98 | 100 | 101 |
| Accumulated Precipitation Percentile (non-exceedance) | 34.2 | 12.8 | 6.1 | 2.2 | 0.6 | 0.5 | 2.4 | 3.4 | 1.5 | 1.1 | 4.9 | 10.2 | 33.9 | 45.7 | 55.2 | 37.7 | 42.2 | 41.6 | 52.9 | 58.6 |
| Standardized Precipitation Index | -0.41 | -1.14 | -1.55 | -2.01 | -2.49 | -2.57 | -1.97 | -1.83 | -2.17 | -2.28 | -1.66 | -1.27 | -0.41 | -0.11 | 0.13 | -0.31 | -0.2 | -0.21 | 0.07 | 0.22 |