Standardized Precipitation Index Table

Northwest Climate Division

Indiana, Climate Division 01

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.94 3.78 8.17 11.28 11.97 17.05 18.91 23.24 28.26 30.47 32.66 34.8 44.79 51.33 70.44 88.92 112.42 145.46 189.4 229.77
Accumulated Precipitation Departure from Normal (in.) 0.13 -0.85 1.44 2.16 0.17 2.22 0.83 1.49 2.62 0.7 -1.05 -2.46 0.8 -0.8 -4.16 -0.49 0.51 -3.78 2.79 5.77
Accumulated Precipitation Percent of Average 105 82 121 124 101 115 105 107 110 102 97 93 102 98 94 99 100 97 101 103
Accumulated Precipitation Percentile (non-exceedance) 60.1 33.4 77.3 82 55.5 77.4 61.6 66.2 73.3 57.7 43.9 33.7 57.3 46.1 29 48.6 53.3 37.3 59.6 66.6
Standardized Precipitation Index 0.26 -0.43 0.75 0.92 0.14 0.75 0.29 0.42 0.62 0.2 -0.15 -0.42 0.18 -0.1 -0.55 -0.03 0.08 -0.32 0.24 0.43