| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 7.37 | 11.56 | 14.03 | 18.46 | 20.57 | 25.27 | 27.94 | 28 | 36.76 | 38.58 | 45 | 47.11 | 62.89 | 80.33 | 99.71 | 131.28 | 152.09 | 206.42 | 260.78 | 326.45 |
| Accumulated Precipitation Departure from Normal (in.) | 3.43 | 3.48 | 0.56 | 0.11 | -2.62 | -2.7 | -3.53 | -6.86 | -1.92 | -4.69 | -3.25 | -5.39 | -3.08 | -0.25 | -5.43 | -1.89 | -5.68 | -4.1 | -2.38 | 10.65 |
| Accumulated Precipitation Percent of Average | 187 | 143 | 104 | 101 | 89 | 90 | 89 | 80 | 95 | 89 | 93 | 90 | 95 | 100 | 95 | 99 | 96 | 98 | 99 | 103 |
| Accumulated Precipitation Percentile (non-exceedance) | 93.8 | 88.9 | 59.4 | 54.5 | 34.4 | 35.5 | 31.7 | 16.7 | 42.6 | 28.5 | 35.9 | 26.8 | 39.2 | 50.8 | 33.4 | 45.7 | 35.4 | 40.8 | 45.5 | 71.9 |
| Standardized Precipitation Index | 1.54 | 1.22 | 0.24 | 0.11 | -0.4 | -0.37 | -0.48 | -0.97 | -0.19 | -0.57 | -0.36 | -0.62 | -0.27 | 0.02 | -0.43 | -0.11 | -0.37 | -0.23 | -0.11 | 0.58 |