| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.9 | 3.7 | 5.13 | 8.73 | 10.53 | 12.33 | 18.27 | 23.22 | 32.21 | 35.09 | 37.01 | 38.95 | 44.96 | 55.45 | 75.47 | 97.6 | 114.79 | 156.62 | 199.81 | 238.52 |
| Accumulated Precipitation Departure from Normal (in.) | -1.07 | -2.43 | -4.01 | -3.73 | -5.64 | -7.74 | -5.74 | -4.79 | 0.24 | -0.38 | -1.97 | -2.73 | -6 | -6.47 | -8.02 | -6.21 | -10.6 | -10.68 | -9.38 | -12.55 |
| Accumulated Precipitation Percent of Average | 64 | 60 | 56 | 70 | 65 | 61 | 76 | 83 | 101 | 99 | 95 | 93 | 88 | 90 | 90 | 94 | 92 | 94 | 96 | 95 |
| Accumulated Precipitation Percentile (non-exceedance) | 22.3 | 11.1 | 4.6 | 11.6 | 5.6 | 2.4 | 11.4 | 18 | 54 | 49.7 | 39.3 | 34.8 | 20.5 | 21.7 | 19.8 | 28.8 | 17.7 | 21 | 26.8 | 22.3 |
| Standardized Precipitation Index | -0.76 | -1.22 | -1.69 | -1.2 | -1.59 | -1.98 | -1.21 | -0.92 | 0.1 | -0.01 | -0.27 | -0.39 | -0.82 | -0.78 | -0.85 | -0.56 | -0.93 | -0.8 | -0.62 | -0.76 |