| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 60 | 72 | |
| Accumulated Precipitation (in.) | 3.69 | 6.37 | 7.68 | 10 | 13.04 | 16.27 | 20.95 | 23.7 | 25.41 | 28.6 | 31.12 | 36.5 | 45.97 | 53.28 | 75.18 | 95.97 | 125.74 | 167.44 | 210.16 | 244.69 |
| Accumulated Precipitation Departure from Normal (in.) | 0.63 | 0.48 | -0.55 | -0.78 | -0.67 | -0.57 | 0.82 | 0.17 | -1.74 | -2.37 | -3.5 | -1.4 | -0.16 | -1.47 | -0.64 | 3.27 | 11.98 | 15.9 | 20.86 | 17.65 |
| Accumulated Precipitation Percent of Average | 121 | 108 | 93 | 93 | 95 | 97 | 104 | 101 | 94 | 92 | 90 | 96 | 100 | 97 | 99 | 104 | 111 | 110 | 111 | 108 |
| Accumulated Precipitation Percentile (non-exceedance) | 72.9 | 64.8 | 41.2 | 38 | 41 | 44.3 | 61.5 | 54 | 34 | 29.7 | 22.2 | 39.8 | 50.3 | 41.7 | 48.1 | 65.5 | 86.9 | 88.3 | 90.4 | 83.4 |
| Standardized Precipitation Index | 0.61 | 0.38 | -0.22 | -0.3 | -0.23 | -0.14 | 0.29 | 0.1 | -0.41 | -0.53 | -0.76 | -0.26 | 0.01 | -0.21 | -0.05 | 0.4 | 1.12 | 1.19 | 1.3 | 0.97 |