Standardized Precipitation Index Table

Central Climate Division

Indiana, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 4.19 7.47 12.75 14.93 19.73 22.88 27.64 30.88 33.4 37.56 38.72 42.23 57.07 71.36 96.62 121.75 137.76 190.24 231.63 280.02
Accumulated Precipitation Departure from Normal (in.) 0.22 -0.7 0.31 -1.31 -0.03 0.88 2.89 3.17 2.58 3.87 1.79 1.83 4.23 8.97 15.82 19.02 16.71 28.94 30.18 38.4
Accumulated Precipitation Percent of Average 106 91 102 92 100 104 112 111 108 111 105 105 108 114 120 119 114 118 115 116
Accumulated Precipitation Percentile (non-exceedance) 60.7 44.2 57.2 39.4 52.5 60.5 74.8 75.7 70.7 77.6 64.3 63.6 73.2 87.9 94.9 96.5 92.4 98.3 97.7 98.7
Standardized Precipitation Index 0.27 -0.14 0.18 -0.27 0.06 0.26 0.67 0.7 0.54 0.76 0.37 0.35 0.62 1.17 1.64 1.81 1.43 2.12 1.99 2.21