| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 1.21 | 3.08 | 5.05 | 7.53 | 9.1 | 10.77 | 16.13 | 22.02 | 25.9 | 32.46 | 35.99 | 37.85 | 47.01 | 53.18 | 75.52 | 91.02 | 112.07 | 149.32 | 192.78 | 232.01 |
| Accumulated Precipitation Departure from Normal (in.) | -1.53 | -2.46 | -3.46 | -3.75 | -5.33 | -7.13 | -5.68 | -4.03 | -4.22 | -1.47 | -1.47 | -1.81 | -1.28 | -4.53 | -3.91 | -6.45 | -7.11 | -9.61 | -5.89 | -6.45 |
| Accumulated Precipitation Percent of Average | 44 | 56 | 59 | 67 | 63 | 60 | 74 | 85 | 86 | 96 | 96 | 95 | 97 | 92 | 95 | 93 | 94 | 94 | 97 | 97 |
| Accumulated Precipitation Percentile (non-exceedance) | 16.2 | 12.9 | 9.5 | 11.3 | 7.4 | 3.5 | 10.4 | 22.6 | 23.3 | 42.1 | 42.1 | 40 | 44.3 | 28.2 | 33 | 25.9 | 25 | 21.9 | 34.4 | 34.5 |
| Standardized Precipitation Index | -0.99 | -1.13 | -1.31 | -1.21 | -1.45 | -1.81 | -1.26 | -0.75 | -0.73 | -0.2 | -0.2 | -0.25 | -0.14 | -0.58 | -0.44 | -0.65 | -0.68 | -0.78 | -0.4 | -0.4 |