| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.76 | 10.66 | 19.89 | 28.59 | 31.03 | 32.06 | 36.9 | 38.71 | 42.64 | 45.65 | 49.43 | 52.78 | 60.11 | 74.27 | 109.55 | 124.08 | 186.3 | 252.8 | 311.53 | 375.42 |
| Accumulated Precipitation Departure from Normal (in.) | 2.03 | 1.49 | 6.05 | 9.81 | 8.48 | 5.84 | 4.9 | -0.14 | -3.53 | -6.35 | -7.41 | -8.59 | -15.05 | -13.33 | -13.31 | -25.12 | 1.84 | 6.81 | 4.1 | 6.43 |
| Accumulated Precipitation Percent of Average | 143 | 116 | 144 | 152 | 138 | 122 | 115 | 100 | 92 | 88 | 87 | 86 | 80 | 85 | 89 | 83 | 101 | 103 | 101 | 102 |
| Accumulated Precipitation Percentile (non-exceedance) | 79.7 | 70.3 | 90.3 | 96.2 | 90.3 | 81.9 | 76.4 | 51.8 | 33.4 | 22.4 | 20.1 | 18.6 | 8.7 | 12.6 | 15.3 | 4 | 55.7 | 64.8 | 58.5 | 61.6 |
| Standardized Precipitation Index | 0.83 | 0.53 | 1.3 | 1.78 | 1.3 | 0.91 | 0.72 | 0.04 | -0.43 | -0.76 | -0.84 | -0.89 | -1.36 | -1.15 | -1.02 | -1.76 | 0.14 | 0.38 | 0.21 | 0.29 |