| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.31 | 5.57 | 6.03 | 6.44 | 6.55 | 6.87 | 8.88 | 9.09 | 9.37 | 12.79 | 16.16 | 19.27 | 27.83 | 30.31 | 45.71 | 54.3 | 62.93 | 92.17 | 109.79 | 136.71 |
| Accumulated Precipitation Departure from Normal (in.) | 0.42 | 0.56 | -0.03 | -0.22 | -0.67 | -0.93 | 0.32 | -1.03 | -2.74 | -1.95 | -1.56 | -2.13 | 0.37 | 1.17 | 2.96 | 3.85 | -1.12 | 6.79 | 3.12 | 8.72 |
| Accumulated Precipitation Percent of Average | 114 | 111 | 99 | 97 | 91 | 88 | 104 | 90 | 77 | 87 | 91 | 90 | 101 | 104 | 107 | 108 | 98 | 108 | 103 | 107 |
| Accumulated Precipitation Percentile (non-exceedance) | 66.8 | 65.8 | 54 | 50.2 | 41.8 | 37 | 58.9 | 38.4 | 19.3 | 30 | 35.6 | 30.7 | 55.4 | 61.9 | 70.5 | 73.9 | 45.8 | 77.2 | 62.5 | 76.4 |
| Standardized Precipitation Index | 0.44 | 0.41 | 0.1 | 0.01 | -0.21 | -0.33 | 0.23 | -0.29 | -0.87 | -0.52 | -0.37 | -0.5 | 0.14 | 0.3 | 0.54 | 0.64 | -0.11 | 0.75 | 0.32 | 0.72 |