Standardized Precipitation Index Table

Central Climate Division

Indiana, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2019)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.86 11.32 16.81 20.89 25.6 29.11 32.3 36.72 39.06 44.95 50.91 54.56 67.33 78.18 99.22 126.42 149.34 193.53 237.67 279.03
Accumulated Precipitation Departure from Normal (in.) 1.65 2.84 4.52 5.09 7.57 8.35 8.59 9.9 9.38 12.02 14.5 14.18 14.7 17.11 18.52 25.05 28.42 32.49 36.52 37.77
Accumulated Precipitation Percent of Average 139 134 137 132 142 140 136 137 132 136 140 135 128 128 123 125 124 120 118 116
Accumulated Precipitation Percentile (non-exceedance) 82.3 84.8 91.1 90.7 96.3 96.7 96.5 97.2 96.2 98.1 98.9 98.4 97.3 98.3 97.3 99.2 99.1 99.2 99.2 98.7
Standardized Precipitation Index 0.93 1.03 1.35 1.32 1.78 1.83 1.81 1.9 1.77 2.08 2.31 2.14 1.93 2.13 1.92 2.43 2.39 2.4 2.41 2.23