| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.36 | 4.72 | 7.9 | 11.99 | 16.07 | 17.14 | 19.37 | 20.85 | 25.64 | 29.52 | 35.9 | 44.6 | 57.19 | 69.84 | 98.12 | 126.8 | 151.86 | 204.79 | 267.12 | 331.23 |
| Accumulated Precipitation Departure from Normal (in.) | -2.32 | -5.85 | -7.82 | -8.68 | -9.69 | -12.27 | -12.81 | -15.37 | -15.61 | -17.7 | -16.09 | -11.58 | -14.77 | -15.9 | -14.38 | -15.29 | -16.99 | -20.57 | -14.75 | -7.11 |
| Accumulated Precipitation Percent of Average | 50 | 45 | 50 | 58 | 62 | 58 | 60 | 58 | 62 | 63 | 69 | 79 | 79 | 81 | 87 | 89 | 90 | 91 | 95 | 98 |
| Accumulated Precipitation Percentile (non-exceedance) | 18.6 | 4.1 | 2.1 | 2.3 | 2.7 | 1.4 | 1.4 | 0.6 | 0.7 | 0.3 | 1.1 | 6.7 | 5.7 | 5.8 | 10.6 | 12.5 | 11.3 | 9.6 | 20.6 | 36.4 |
| Standardized Precipitation Index | -0.89 | -1.74 | -2.03 | -2 | -1.93 | -2.21 | -2.19 | -2.54 | -2.45 | -2.75 | -2.3 | -1.5 | -1.58 | -1.57 | -1.25 | -1.15 | -1.21 | -1.3 | -0.82 | -0.35 |