Standardized Precipitation Index Table

Southwest Climate Division

Georgia, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of May 2025)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.63 8.76 14.03 17 20.04 22.98 25.42 25.48 36.33 38.7 44.86 47.45 69.84 84.3 107.73 130.29 154.81 210.07 266.6 322.75
Accumulated Precipitation Departure from Normal (in.) 1.99 1.04 1.19 -0.56 -1.99 -3.4 -3.84 -6.15 0.77 -1.98 -1.83 -3.91 5.65 6.47 4.91 1.13 0.66 4.42 9.58 14.37
Accumulated Precipitation Percent of Average 155 113 109 97 91 87 87 81 102 95 96 92 109 108 105 101 100 102 104 105
Accumulated Precipitation Percentile (non-exceedance) 84.7 67.4 64.8 49.2 38.8 31.7 30.6 20 56.8 42.3 43 33.4 73.4 73.8 67.4 54.8 53.1 62.9 73.8 81
Standardized Precipitation Index 1.02 0.45 0.38 -0.02 -0.28 -0.48 -0.51 -0.84 0.17 -0.19 -0.18 -0.43 0.62 0.64 0.45 0.12 0.08 0.33 0.64 0.88