Standardized Precipitation Index Table

East Central Climate Division

Mississippi, Climate Division 06

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.) 4.9 11.22 14.05 22 29.48 42.23 50.31 56.39 59.5 70.26 70.36 75.48 92.45 114.35 147.4 179.25 197.05 243.17 297.4 350.94
Accumulated Precipitation Departure from Normal (in.) 0.07 2.46 0.98 3.72 5.38 12.93 15.79 16.53 15.58 23.37 20.26 21.71 25.62 31.38 39.98 42.71 36.02 28.42 28.85 28.65
Accumulated Precipitation Percent of Average 101 128 108 120 122 144 146 141 135 150 140 140 138 138 137 131 122 113 111 109
Accumulated Precipitation Percentile (non-exceedance) 56.9 81.5 64 79.1 84 96.8 97.9 97.1 95.3 99.1 97.8 98.2 98.7 99.2 99.5 99.5 97.8 92.6 90.4 88.4
Standardized Precipitation Index 0.17 0.9 0.36 0.81 1 1.85 2.03 1.89 1.67 2.36 2.01 2.09 2.22 2.39 2.56 2.56 2.01 1.45 1.31 1.19