Standardized Precipitation Index Table

Central Climate Division

South Carolina, Climate Division 06

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 4.59 11.64 15.18 19.25 25.64 29.81 37.24 40.69 44.06 46.27 50.02 53.93 66.28 74.02 107.71 127.44 149.72 202.39 263.99 307.81
Accumulated Precipitation Departure from Normal (in.) -0.34 3.24 3.5 3.66 6.26 6.95 10.95 11.94 12.45 10.66 9.25 7.67 8.37 4.96 15.2 12.1 11.03 17.42 32.85 30.66
Accumulated Precipitation Percent of Average 93 139 130 124 132 130 142 142 139 130 123 117 114 107 116 110 108 109 114 111
Accumulated Precipitation Percentile (non-exceedance) 48 90.1 87.9 84.6 91.5 91.5 96.8 97.1 96.4 93.1 89.5 85 84.8 72.3 91.9 84.9 80.7 88.2 97.5 95.7
Standardized Precipitation Index -0.05 1.29 1.17 1.02 1.37 1.37 1.85 1.9 1.8 1.48 1.26 1.03 1.03 0.59 1.4 1.03 0.87 1.19 1.96 1.72