| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.37 | 8.27 | 23.63 | 35.9 | 40.2 | 59.59 | 76.9 | 88.69 | 92.03 | 95.11 | 96 | 100.83 | 122 | 168.98 | 198.45 | 259.82 | 289.14 | 420.06 | 527.53 | 630.89 |
| Accumulated Precipitation Departure from Normal (in.) | -1.35 | -4.07 | -0.32 | -0.5 | -12.45 | -10.29 | -9.26 | -7.92 | -9.41 | -8.44 | -9.21 | -7.75 | -10.53 | -9.56 | -18.77 | -27.38 | -36.81 | -14.67 | -15.68 | -20.67 |
| Accumulated Precipitation Percent of Average | 71 | 67 | 99 | 99 | 76 | 85 | 89 | 92 | 91 | 92 | 91 | 93 | 92 | 95 | 91 | 90 | 89 | 97 | 97 | 97 |
| Accumulated Precipitation Percentile (non-exceedance) | 32.3 | 14.8 | 51.3 | 50.5 | 9.8 | 20.1 | 27 | 32.4 | 29.2 | 31.5 | 29.7 | 33.3 | 28.1 | 34.3 | 22.5 | 17.7 | 11.3 | 35 | 35.7 | 32.8 |
| Standardized Precipitation Index | -0.46 | -1.04 | 0.03 | 0.01 | -1.29 | -0.84 | -0.61 | -0.46 | -0.55 | -0.48 | -0.53 | -0.43 | -0.58 | -0.4 | -0.75 | -0.93 | -1.21 | -0.38 | -0.36 | -0.45 |