Standardized Precipitation Index Table

North Central Climate Division

Indiana, Climate Division 02

Precipitation Data Table

Time Scale in Months (As of the end of Aug. 2022)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.37 8.48 10.91 14.55 17.32 20.79 24.23 25.06 28.5 29.8 37.75 40.58 54.36 64.44 76.34 95.03 112.95 153.99 197.5 241.75
Accumulated Precipitation Departure from Normal (in.) -0.28 1.04 -0.64 -0.96 -1.7 -1.06 0.48 -0.97 -0.13 -1.65 3.31 2.87 5.1 4.87 1.02 -2.14 -0.03 3.32 9.15 15.75
Accumulated Precipitation Percent of Average 92 114 94 94 91 95 102 96 100 95 110 108 110 108 101 98 100 102 105 107
Accumulated Precipitation Percentile (non-exceedance) 46.6 71.2 44.2 40.9 33.6 40.6 57 42.5 50.6 36.5 78 74.5 81.8 80.8 57.1 39.8 50.9 63.8 78.9 88.3
Standardized Precipitation Index -0.08 0.56 -0.14 -0.23 -0.42 -0.24 0.17 -0.19 0.02 -0.34 0.77 0.66 0.91 0.87 0.18 -0.26 0.02 0.35 0.8 1.19