| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 7.72 | 11.46 | 15.25 | 18.59 | 19.95 | 24.21 | 27.07 | 28.65 | 30.5 | 36.05 | 39.29 | 42.71 | 57.89 | 71.44 | 102.74 | 128.25 | 151.3 | 203.15 | 242.66 | 289.43 |
| Accumulated Precipitation Departure from Normal (in.) | 4.06 | 4.07 | 4.14 | 4.41 | 2.45 | 2.83 | 1.67 | -0.54 | -2.44 | -0.63 | -1.46 | -1.98 | 2.13 | 5.4 | 13.36 | 17.57 | 17.34 | 24.7 | 19.78 | 22.08 |
| Accumulated Precipitation Percent of Average | 211 | 155 | 137 | 131 | 114 | 113 | 107 | 98 | 93 | 98 | 96 | 96 | 104 | 108 | 115 | 116 | 113 | 114 | 109 | 108 |
| Accumulated Precipitation Percentile (non-exceedance) | 97.2 | 92.9 | 90.9 | 91.3 | 77.4 | 77.9 | 66.7 | 48 | 33.8 | 47.6 | 42.2 | 39.5 | 63.1 | 75.9 | 90 | 92.9 | 89.7 | 93 | 84.8 | 84.4 |
| Standardized Precipitation Index | 1.91 | 1.47 | 1.34 | 1.36 | 0.75 | 0.77 | 0.43 | -0.05 | -0.42 | -0.06 | -0.2 | -0.27 | 0.33 | 0.7 | 1.28 | 1.47 | 1.27 | 1.47 | 1.03 | 1.01 |