Standardized Precipitation Index Table

South Central Climate Division

Indiana, Climate Division 08

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.) 5.18 14.07 19.5 23.89 26.66 31.65 38.23 38.34 43.5 46.22 51.77 53.62 68.75 79 97.27 122.74 141.44 197.9 244.57 299.51
Accumulated Precipitation Departure from Normal (in.) 0.63 5.27 6.26 7.66 6.83 8.2 11.26 8.33 10.24 9.44 10.92 8.52 10.46 10.44 7.07 9.14 6.18 17.58 19.27 29.17
Accumulated Precipitation Percent of Average 114 160 147 147 134 135 142 128 131 126 127 119 118 115 108 108 105 110 109 111
Accumulated Precipitation Percentile (non-exceedance) 67 93.9 93.1 94.9 91 93.4 96.7 91.1 93.5 90.9 92.6 86.6 88.3 86.8 74.4 77.9 68.3 86 85 91.2
Standardized Precipitation Index 0.44 1.55 1.48 1.63 1.34 1.5 1.84 1.35 1.51 1.33 1.44 1.11 1.19 1.12 0.65 0.77 0.48 1.08 1.04 1.35