Standardized Precipitation Index Table

Southeast Climate Division

Indiana, Climate Division 09

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.) 4.71 8.21 13.47 17.01 23.09 26.47 30.99 35.22 38.77 42.68 42.92 45.85 62.92 80.53 110.57 142.11 162.07 214.84 261.53 311.8
Accumulated Precipitation Departure from Normal (in.) 0.71 0.03 0.83 0.35 2.22 2.79 3.87 4.66 4.91 5.9 3.02 2.49 6.92 13.51 23.82 31.79 32.15 41.84 45.55 52.83
Accumulated Precipitation Percent of Average 118 100 107 102 111 112 114 115 115 116 108 106 112 120 127 129 125 124 121 120
Accumulated Precipitation Percentile (non-exceedance) 70.9 54.4 62.7 56.6 70.5 73 78.1 80.8 80.2 83 69.2 65.6 80.5 92.6 98.1 99.2 98.8 99.6 99.5 99.6
Standardized Precipitation Index 0.55 0.11 0.32 0.17 0.54 0.61 0.78 0.87 0.85 0.95 0.5 0.4 0.86 1.44 2.07 2.43 2.26 2.61 2.58 2.67