Standardized Precipitation Index Table

Southwest Climate Division

Louisiana, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 4.23 6.47 16.95 22.92 25.16 26.84 30.18 30.95 34.92 37.06 40.68 48.48 60.81 77.8 102.14 116.8 164.85 221.57 291.22 352.02
Accumulated Precipitation Departure from Normal (in.) 0.23 -1.68 3.62 4.25 2.09 -0.07 -1.51 -6.25 -8.59 -11.66 -13.17 -9.65 -10.62 -7.26 -14.21 -26.53 -9.83 -11.43 -0.06 2.51
Accumulated Precipitation Percent of Average 106 79 127 123 109 100 95 83 80 76 76 83 85 91 88 81 94 95 100 101
Accumulated Precipitation Percentile (non-exceedance) 61.4 32.5 81.5 81.3 66.5 52.8 44.6 21.9 13.2 8.3 6.9 16.7 16.9 29.2 15.4 4.1 29.9 30.2 51 54.8
Standardized Precipitation Index 0.29 -0.45 0.9 0.89 0.43 0.07 -0.13 -0.77 -1.12 -1.39 -1.49 -0.97 -0.96 -0.55 -1.02 -1.74 -0.53 -0.52 0.02 0.12