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 Jan. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 1.68 4.32 4.84 7.8 9.16 17.84 21.96 26.21 33.78 37.13 40.04 43.09 51.59 61.19 88.12 110.15 137.56 184.96 232.82 290.47
Accumulated Precipitation Departure from Normal (in.) -2.32 -3.58 -5.82 -5.72 -7.98 -3.8 -4.44 -4.34 -0.23 -0.38 -1.94 -3.01 -5.25 -6.61 -4.13 -3.84 -0.87 0.37 2.1 13.63
Accumulated Precipitation Percent of Average 42 55 45 58 53 82 83 86 99 99 95 93 91 90 96 97 99 100 101 105
Accumulated Precipitation Percentile (non-exceedance) 7.1 8.5 2.4 7.4 3.1 24.1 19.9 22.1 50.7 49.9 40.8 36 26.8 23.8 36.5 38.4 48.7 52.1 56.1 78.5
Standardized Precipitation Index -1.47 -1.37 -1.98 -1.45 -1.87 -0.7 -0.84 -0.77 0.02 0 -0.23 -0.36 -0.62 -0.71 -0.34 -0.29 -0.03 0.05 0.15 0.79