Standardized Precipitation Index Table

Central Climate Division

Indiana, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Apr. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.13 6.94 10.09 14.85 18.09 20.61 24.77 25.93 29.44 32.88 38.8 44.28 58.57 69.64 96.19 117.55 145.2 190.55 238.9 280.45
Accumulated Precipitation Departure from Normal (in.) -1.66 -0.38 0.54 2.54 2.87 2.27 3.57 1.49 1.53 1 2.71 3.93 8.67 10.88 15.42 18.51 24.19 29.38 37.61 39.03
Accumulated Precipitation Percent of Average 56 95 106 121 119 112 117 106 105 103 108 110 117 119 119 119 120 118 119 116
Accumulated Precipitation Percentile (non-exceedance) 13.5 47.9 61.4 79.8 81 74 81.7 65.1 64.3 59.5 69.2 74.5 89.5 92.2 95 96.6 98.1 98.4 99.2 98.8
Standardized Precipitation Index -1.1 -0.05 0.29 0.83 0.88 0.64 0.9 0.39 0.37 0.24 0.5 0.66 1.25 1.42 1.65 1.83 2.07 2.14 2.41 2.27