Standardized Precipitation Index Table

Southeast Climate Division

Ohio, Climate Division 10

Precipitation Data Table

Time Scale in Months (As of the end of Jan. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.53 8.03 10.77 16.02 17.31 21.15 26.34 31.66 36.15 39.83 43.12 49.26 63.16 79.6 110.41 127.89 156.97 197.5 240.31 279.57
Accumulated Precipitation Departure from Normal (in.) 0.43 1.91 1.78 4.37 2.63 2.78 3.54 4.68 5.2 5.33 4.97 8.48 13.27 20.35 28.79 27.9 34.68 34.64 36.89 35.6
Accumulated Precipitation Percent of Average 114 131 120 138 118 115 116 117 117 115 113 121 127 134 135 128 128 121 118 115
Accumulated Precipitation Percentile (non-exceedance) 67 83.2 77.5 91.7 77.9 76.5 79.6 83.6 83.6 82.6 80.5 91.1 97.6 99.5 99.9 99.7 99.9 99.8 99.8 99.5
Standardized Precipitation Index 0.44 0.96 0.75 1.39 0.77 0.72 0.83 0.98 0.98 0.94 0.86 1.35 1.97 2.58 3.13 2.77 3.2 2.92 2.84 2.56