| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 5.52 | 9.25 | 10.9 | 16.86 | 18.56 | 21.16 | 25.27 | 26.55 | 28.89 | 32.82 | 40.89 | 49.47 | 65.11 | 78.62 | 96.28 | 126.76 | 146.04 | 201.94 | 267.7 | 322.03 |
| Accumulated Precipitation Departure from Normal (in.) | 0.28 | -1.82 | -5.34 | -4.61 | -8.18 | -9.58 | -8.42 | -10.35 | -11.7 | -12.62 | -8.54 | -4.3 | -4.94 | -5.98 | -11.31 | -11.76 | -15.51 | -13.72 | -2.06 | -1.79 |
| Accumulated Precipitation Percent of Average | 105 | 84 | 67 | 79 | 69 | 69 | 75 | 72 | 71 | 72 | 83 | 92 | 93 | 93 | 89 | 92 | 90 | 94 | 99 | 99 |
| Accumulated Precipitation Percentile (non-exceedance) | 61 | 35.6 | 12.6 | 20.9 | 9.4 | 7.7 | 11.1 | 7.1 | 5.5 | 5.3 | 16.1 | 33.2 | 33.5 | 32.6 | 21.1 | 23.7 | 18.4 | 25 | 47.5 | 48.2 |
| Standardized Precipitation Index | 0.28 | -0.37 | -1.14 | -0.81 | -1.32 | -1.42 | -1.22 | -1.47 | -1.6 | -1.61 | -0.99 | -0.43 | -0.43 | -0.45 | -0.8 | -0.72 | -0.9 | -0.67 | -0.06 | -0.05 |