| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 6.24 | 12.81 | 25.8 | 39.53 | 48.65 | 53.7 | 57.89 | 58.7 | 59.1 | 60.57 | 61.95 | 69.79 | 89.78 | 117.59 | 139.13 | 203.06 | 217.15 | 294.39 | 369.42 | 431.44 |
| Accumulated Precipitation Departure from Normal (in.) | -1.44 | -3.01 | -0.8 | 1.43 | -0.53 | -2.3 | -1.6 | -2.39 | -3.24 | -4.7 | -7.05 | -4.53 | -11.15 | -12.78 | -9.58 | -1.69 | -5.91 | -2.96 | -2.19 | -14.34 |
| Accumulated Precipitation Percent of Average | 81 | 81 | 97 | 104 | 99 | 96 | 97 | 96 | 95 | 93 | 90 | 94 | 89 | 90 | 94 | 99 | 97 | 99 | 99 | 97 |
| Accumulated Precipitation Percentile (non-exceedance) | 35.6 | 26.9 | 48 | 59.7 | 50.4 | 43.9 | 46.5 | 43.5 | 40.4 | 35.2 | 27.3 | 35.8 | 20.4 | 20.8 | 29.1 | 47.9 | 40.1 | 46.3 | 47.9 | 32.7 |
| Standardized Precipitation Index | -0.37 | -0.61 | -0.05 | 0.25 | 0.01 | -0.15 | -0.09 | -0.16 | -0.24 | -0.38 | -0.6 | -0.36 | -0.83 | -0.81 | -0.55 | -0.05 | -0.25 | -0.09 | -0.05 | -0.45 |