Standardized Precipitation Index Table

Central Climate Division

South Carolina, Climate Division 06

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.) 6.1 8.74 12.31 17.02 19.59 21.99 24.72 32.69 37.65 44.74 48.24 52.97 65.68 74.21 101.33 116.46 143.79 201.36 252.66 307.31
Accumulated Precipitation Departure from Normal (in.) 2.2 1.04 1.1 2.36 2.47 2.03 0.76 3.52 2.98 5.12 5.16 6.6 8.1 7.86 8.61 3.78 4.74 15.87 20.91 29.32
Accumulated Precipitation Percent of Average 156 114 110 116 114 110 103 112 109 113 112 114 114 112 109 103 103 109 109 111
Accumulated Precipitation Percentile (non-exceedance) 87.9 68.4 66 74 72.8 67.8 58.3 73.2 69.8 78.4 78.1 82.1 84.3 80.5 79.8 63.7 65.5 86 89.7 94.7
Standardized Precipitation Index 1.17 0.48 0.41 0.64 0.61 0.46 0.21 0.62 0.52 0.79 0.78 0.92 1.01 0.86 0.84 0.35 0.4 1.08 1.27 1.62