Standardized Precipitation Index Table

West Central Climate Division

South Carolina, Climate Division 05

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 9.01 14.68 19.33 21.29 23.52 26.16 30.98 34.25 40.43 44.84 50.16 65.83 76.69 99.68 118.85 144.54 197.95 252.37 308.3
Accumulated Precipitation Departure from Normal (in.) 1.62 0.4 2.03 2.77 1.95 1.3 0.33 0.68 -0.8 1.22 2.21 4.03 7.07 8.32 7.41 4.39 6.18 13.42 21.82 31.77
Accumulated Precipitation Percent of Average 136 105 116 117 110 106 101 102 98 103 105 109 112 112 108 104 104 107 109 111
Accumulated Precipitation Percentile (non-exceedance) 79.7 59.8 73.3 75.5 68.1 62.4 55.3 57 47.4 59.5 64.4 72 80.5 81.9 75.9 65.5 69 81.9 90.7 96.2
Standardized Precipitation Index 0.83 0.25 0.62 0.69 0.47 0.32 0.13 0.18 -0.06 0.24 0.37 0.58 0.86 0.91 0.7 0.4 0.49 0.91 1.32 1.78