Standardized Precipitation Index Table

Southwest Climate Division

Mississippi, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Feb. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.66 13.74 18.41 21.74 22.25 23.21 23.88 27.2 31.84 34.39 40.47 44.18 65.27 74.15 116.03 133.89 176.81 238.61 310.6 369.6
Accumulated Precipitation Departure from Normal (in.) -1.52 3.02 1.88 0.92 -1.76 -4.01 -7.79 -9.58 -9.25 -11.56 -10.81 -12.79 -8.23 -10.09 1.98 -7.5 5.7 10.43 25.42 27.41
Accumulated Precipitation Percent of Average 71 128 111 104 93 85 75 74 77 75 79 78 89 88 102 95 103 105 109 108
Accumulated Precipitation Percentile (non-exceedance) 29.6 80.2 68.9 60.1 40.6 26.6 10.4 6.5 8.8 5.3 9.3 6.5 20.8 18.5 57.7 30.8 65.5 72.4 88.8 88.3
Standardized Precipitation Index -0.53 0.85 0.49 0.25 -0.24 -0.62 -1.26 -1.51 -1.35 -1.62 -1.32 -1.52 -0.81 -0.89 0.19 -0.5 0.4 0.59 1.21 1.19