Standardized Precipitation Index Table

Central Climate Division

Indiana, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Apr. 2019)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.35 9.43 14.14 17.65 20.84 25.26 27.6 33.49 39.45 43.1 49.52 51.81 64.66 73.25 100.9 119.31 146.25 194.6 236.15 276.12
Accumulated Precipitation Departure from Normal (in.) 1.54 2.11 4.59 5.36 5.64 6.94 6.43 9.07 11.55 11.23 13.45 11.49 14.83 14.58 20.26 20.42 25.44 33.67 35.17 35.03
Accumulated Precipitation Percent of Average 141 129 148 144 137 138 130 137 141 135 137 128 130 125 125 121 121 121 117 115
Accumulated Precipitation Percentile (non-exceedance) 84 82 94.3 94.1 94.3 95.5 93.6 96.9 98.5 97.2 98.1 95.8 98 96.9 98.4 97.8 98.6 99.3 99 98.1
Standardized Precipitation Index 0.99 0.92 1.58 1.57 1.58 1.7 1.52 1.87 2.17 1.92 2.08 1.73 2.05 1.86 2.13 2.02 2.2 2.46 2.32 2.09