| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.67 | 2.42 | 3.98 | 5.18 | 5.23 | 5.39 | 5.58 | 5.62 | 6.12 | 6.16 | 6.17 | 6.17 | 6.24 | 6.54 | 10.38 | 12.78 | 15.41 | 20.07 | 25 | 29.3 |
| Accumulated Precipitation Departure from Normal (in.) | 1.23 | 1.68 | 2.76 | 3.08 | 2.58 | 2.71 | 2.85 | 2.73 | 2.78 | 2.22 | 1.59 | 0.96 | -0.16 | -1.33 | -0.05 | -0.32 | -0.23 | -0.81 | -1.14 | -2.12 |
| Accumulated Precipitation Percent of Average | 379 | 328 | 327 | 247 | 197 | 201 | 205 | 195 | 183 | 156 | 135 | 118 | 98 | 83 | 100 | 98 | 99 | 96 | 96 | 93 |
| Accumulated Precipitation Percentile (non-exceedance) | 97.6 | 96.8 | 98.4 | 97.9 | 95.5 | 96.1 | 96.5 | 96.2 | 96.4 | 90.9 | 82.4 | 72 | 52.2 | 32.4 | 53 | 49.4 | 50.5 | 44.9 | 42.8 | 36.1 |
| Standardized Precipitation Index | 1.98 | 1.85 | 2.16 | 2.04 | 1.7 | 1.76 | 1.82 | 1.77 | 1.79 | 1.33 | 0.93 | 0.58 | 0.05 | -0.46 | 0.08 | -0.01 | 0.01 | -0.13 | -0.18 | -0.35 |