| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 0.11 | 0.99 | 1.62 | 2.51 | 7.55 | 16.42 | 22.33 | 26.42 | 31.7 | 34.93 | 35.38 | 37.66 | 42.7 | 57.01 | 91.09 | 118.16 | 142.4 | 184.27 | 225.94 | 285.63 |
| Accumulated Precipitation Departure from Normal (in.) | -1.71 | -2.66 | -3.79 | -5.13 | -6.09 | -4.58 | -4.64 | -5.64 | -6.57 | -7.66 | -9.7 | -9.22 | -9.6 | -10.89 | -2.73 | 3.27 | 1.66 | -3.35 | -8.52 | 4.3 |
| Accumulated Precipitation Percent of Average | 6 | 27 | 30 | 33 | 55 | 78 | 83 | 82 | 83 | 82 | 78 | 80 | 82 | 84 | 97 | 103 | 101 | 98 | 96 | 102 |
| Accumulated Precipitation Percentile (non-exceedance) | 2 | 5.8 | 4.7 | 3.9 | 7.7 | 21.6 | 22.5 | 18.4 | 17.3 | 14.8 | 9.7 | 11.5 | 12.9 | 14.4 | 41.7 | 61.3 | 56.2 | 41.7 | 29.8 | 61.2 |
| Standardized Precipitation Index | -2.06 | -1.58 | -1.67 | -1.76 | -1.43 | -0.79 | -0.76 | -0.9 | -0.94 | -1.04 | -1.3 | -1.2 | -1.13 | -1.06 | -0.21 | 0.29 | 0.16 | -0.21 | -0.53 | 0.28 |