Standardized Precipitation Index Table

Southeast Climate Division

Georgia, Climate Division 09

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.06 10.88 14.08 21.47 25.27 29.76 31.61 37.66 41.57 47.47 48.77 53.62 66.82 72.78 97.83 124.77 146.09 196 241.66 292.74
Accumulated Precipitation Departure from Normal (in.) -1.32 -1.04 -1.33 2.93 2.81 3.72 2.23 5.17 6.95 9.83 6.06 4.68 2.46 -2.17 -0.1 0.78 -0.88 0 -3.27 -1.13
Accumulated Precipitation Percent of Average 79 91 91 116 113 114 108 116 120 126 114 110 104 97 100 101 99 100 99 100
Accumulated Precipitation Percentile (non-exceedance) 26.7 38 37.6 77.6 73.7 77.9 67.5 81.3 86.6 92 81.8 75.6 63.8 41.7 50.9 53.9 48.1 50.9 41.7 47.8
Standardized Precipitation Index -0.62 -0.3 -0.32 0.76 0.63 0.77 0.45 0.89 1.11 1.4 0.91 0.69 0.35 -0.21 0.02 0.1 -0.05 0.02 -0.21 -0.05