| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 0.22 | 0.86 | 1.73 | 3.87 | 4.15 | 5.04 | 6.93 | 8.79 | 15.03 | 19.89 | 23.33 | 25.23 | 26.19 | 26.68 | 36.02 | 38.7 | 52 | 70.11 | 90.02 | 118.84 |
| Accumulated Precipitation Departure from Normal (in.) | -0.82 | -0.76 | -0.32 | 1.26 | 0.83 | 0.36 | 0.56 | -0.05 | 3.31 | 5.23 | 5.86 | 6.08 | 4.99 | 2.85 | -2.23 | -4.29 | -5.45 | -6.57 | -5.86 | 3.76 |
| Accumulated Precipitation Percent of Average | 21 | 53 | 84 | 148 | 125 | 108 | 109 | 99 | 128 | 136 | 134 | 132 | 124 | 112 | 94 | 90 | 91 | 91 | 94 | 103 |
| Accumulated Precipitation Percentile (non-exceedance) | 16.8 | 29.4 | 48 | 82.3 | 73.3 | 62.4 | 63.9 | 53.3 | 84.4 | 90.4 | 90.8 | 91.4 | 86.7 | 73.8 | 37.8 | 26.8 | 25.8 | 25.4 | 30.1 | 63.8 |
| Standardized Precipitation Index | -0.96 | -0.54 | -0.05 | 0.93 | 0.62 | 0.32 | 0.36 | 0.08 | 1.01 | 1.3 | 1.33 | 1.37 | 1.11 | 0.64 | -0.31 | -0.62 | -0.65 | -0.66 | -0.52 | 0.35 |