Standardized Precipitation Index Table

Southeast Climate Division

Georgia, Climate Division 09

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.) 1.36 3.83 4.17 5.83 6.51 15.75 20.84 26.73 33.56 35.23 39.67 41.53 49.03 66.7 95.7 121.57 150.92 194.41 251.87 303.94
Accumulated Precipitation Departure from Normal (in.) -1.97 -2.59 -4.39 -5.71 -10.09 -7.17 -8.48 -8.1 -4.79 -6.26 -5.77 -7.47 -8.6 -5.31 -2.4 0.42 3.7 -1.84 6.68 9.8
Accumulated Precipitation Percent of Average 41 60 49 51 39 69 71 77 88 85 87 85 85 93 98 100 103 99 103 103
Accumulated Precipitation Percentile (non-exceedance) 14 18.6 7.6 6.2 0.6 7.7 5.6 8 22.5 17.4 21.6 15.6 14 28.6 42.3 52.7 62.6 45.6 67.5 72.9
Standardized Precipitation Index -1.08 -0.89 -1.43 -1.54 -2.54 -1.43 -1.59 -1.41 -0.76 -0.94 -0.79 -1.01 -1.08 -0.56 -0.19 0.07 0.32 -0.11 0.45 0.61