| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.72 | 7.65 | 13.39 | 16.18 | 18.81 | 21.5 | 24.63 | 28.82 | 32.76 | 37.26 | 40.83 | 43.98 | 53.09 | 63.26 | 87.05 | 104.88 | 130.99 | 176.9 | 224.6 | 293.88 |
| Accumulated Precipitation Departure from Normal (in.) | -0.33 | 0.43 | 2.45 | 1.66 | 1.23 | 0.71 | 0.39 | 0.44 | -0.12 | -0.25 | -1.17 | -1.94 | -3.74 | -3.55 | -4.91 | -7.97 | -7.01 | -7.16 | -5.49 | 17.73 |
| Accumulated Precipitation Percent of Average | 92 | 106 | 122 | 111 | 107 | 103 | 102 | 102 | 100 | 99 | 97 | 96 | 93 | 95 | 95 | 93 | 95 | 96 | 98 | 106 |
| Accumulated Precipitation Percentile (non-exceedance) | 46.2 | 62 | 85.4 | 73.4 | 67 | 59.8 | 55.9 | 55.8 | 51.2 | 50.2 | 44 | 39.3 | 30.3 | 32.5 | 29.6 | 20.8 | 26.3 | 28.4 | 34.8 | 88.7 |
| Standardized Precipitation Index | -0.1 | 0.3 | 1.05 | 0.62 | 0.44 | 0.25 | 0.15 | 0.15 | 0.03 | 0 | -0.15 | -0.27 | -0.51 | -0.45 | -0.53 | -0.81 | -0.63 | -0.57 | -0.39 | 1.21 |