| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 2.01 | 5.85 | 7.78 | 10.08 | 13.17 | 15.19 | 19.93 | 22.04 | 23.64 | 27.49 | 29.48 | 35.14 | 44.26 | 53.81 | 71.62 | 102.56 | 127.85 | 167.27 | 213.37 | 256.06 |
| Accumulated Precipitation Departure from Normal (in.) | -1.84 | -2.2 | -3.63 | -4.9 | -5.82 | -7.49 | -6.39 | -7.88 | -10.32 | -10.15 | -11.58 | -9.67 | -11.99 | -13.76 | -18.1 | -10.01 | -6.9 | -12.34 | -11.03 | -13.16 |
| Accumulated Precipitation Percent of Average | 52 | 73 | 68 | 67 | 69 | 67 | 76 | 74 | 70 | 73 | 72 | 78 | 79 | 80 | 80 | 91 | 95 | 93 | 95 | 95 |
| Accumulated Precipitation Percentile (non-exceedance) | 9.5 | 19.5 | 8.5 | 5.2 | 4.9 | 2.8 | 8.6 | 5.7 | 2.4 | 3.3 | 2.2 | 6.1 | 3.9 | 3.4 | 2.6 | 16.3 | 28.2 | 17.7 | 23 | 21.1 |
| Standardized Precipitation Index | -1.31 | -0.86 | -1.37 | -1.63 | -1.65 | -1.91 | -1.36 | -1.58 | -1.98 | -1.84 | -2.02 | -1.55 | -1.77 | -1.82 | -1.94 | -0.98 | -0.58 | -0.93 | -0.74 | -0.8 |