| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.27 | 6.59 | 6.85 | 13.52 | 19.32 | 25.19 | 27.41 | 32.55 | 35.25 | 36.87 | 40.58 | 53.03 | 68.88 | 89.52 | 115.24 | 150.92 | 180.49 | 238.05 | 294.19 | 358.35 |
| Accumulated Precipitation Departure from Normal (in.) | -2.03 | 0.18 | -4.95 | -5.16 | -6.71 | -6.47 | -7.94 | -6.99 | -9.53 | -12.64 | -13.29 | -5.28 | -1.28 | -0.51 | -1.45 | 2.55 | 5.45 | 4.72 | 2.49 | 8.31 |
| Accumulated Precipitation Percent of Average | 39 | 103 | 58 | 72 | 74 | 80 | 78 | 82 | 79 | 74 | 75 | 91 | 98 | 99 | 99 | 102 | 103 | 102 | 101 | 102 |
| Accumulated Precipitation Percentile (non-exceedance) | 16.3 | 58.9 | 11.8 | 13.5 | 8.4 | 12.5 | 9.2 | 16.2 | 11.6 | 5.9 | 6.2 | 29.6 | 46.9 | 49.7 | 47 | 58.3 | 65 | 62 | 56.3 | 67 |
| Standardized Precipitation Index | -0.98 | 0.22 | -1.19 | -1.1 | -1.38 | -1.15 | -1.33 | -0.99 | -1.2 | -1.56 | -1.54 | -0.53 | -0.08 | -0.01 | -0.07 | 0.21 | 0.38 | 0.31 | 0.16 | 0.44 |