Standardized Precipitation Index Table

Southern Climate Division

South Carolina, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 6.08 9.78 12.58 18.17 20.41 22.88 26.58 35.47 42.28 48.99 53.18 57.24 68.94 76.79 106.94 120.89 152.06 206.87 260.75 314.36
Accumulated Precipitation Departure from Normal (in.) 2.28 2.36 1.85 4.21 4.08 3.56 2.68 5.6 6.26 7.73 8.38 9.38 10.36 9.62 11.28 5.94 8.63 15.58 21.76 27.7
Accumulated Precipitation Percent of Average 160 132 117 130 125 118 111 119 117 119 119 120 118 114 112 105 106 108 109 110
Accumulated Precipitation Percentile (non-exceedance) 87.3 80.5 72.3 84 81 75.9 69.8 81.8 83.9 86.6 88 89.6 89.4 84.7 86.1 70.2 75.5 84.6 89.3 92
Standardized Precipitation Index 1.14 0.86 0.59 1 0.88 0.7 0.52 0.91 0.99 1.11 1.17 1.26 1.25 1.03 1.08 0.53 0.69 1.02 1.24 1.41