| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 5.08 | 6.24 | 11.09 | 17.37 | 20.52 | 24.88 | 27.41 | 34.19 | 40.47 | 45.08 | 47.61 | 51.87 | 61.84 | 73.24 | 100.27 | 124.66 | 156 | 193.84 | 248.1 | 299.36 |
| Accumulated Precipitation Departure from Normal (in.) | 1.76 | 0.09 | 1.74 | 4.45 | 3.88 | 4.4 | 2.93 | 5.71 | 7.78 | 8.21 | 6.92 | 7.66 | 8.29 | 8.57 | 11.89 | 15.78 | 23.44 | 17.21 | 27.41 | 34.65 |
| Accumulated Precipitation Percent of Average | 153 | 101 | 119 | 134 | 123 | 122 | 112 | 120 | 124 | 122 | 117 | 117 | 115 | 113 | 113 | 114 | 118 | 110 | 112 | 113 |
| Accumulated Precipitation Percentile (non-exceedance) | 90.6 | 55.7 | 82 | 96.7 | 91.9 | 91 | 80.1 | 92.5 | 95.6 | 95.2 | 91.2 | 92.1 | 92.6 | 90.7 | 93 | 96.2 | 98.5 | 91 | 96 | 97.4 |
| Standardized Precipitation Index | 1.31 | 0.14 | 0.92 | 1.83 | 1.4 | 1.34 | 0.84 | 1.44 | 1.7 | 1.66 | 1.35 | 1.41 | 1.45 | 1.32 | 1.47 | 1.78 | 2.18 | 1.34 | 1.75 | 1.94 |