Standardized Precipitation Index Table

Northeast Hills. Climate Division

Ohio, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Nov. 2019)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.21 6.88 9.22 12.33 17.52 26.42 30.76 34.53 37.75 41.89 45.18 48.74 64.19 77.58 100.08 122.43 146.51 184.41 224.49 265.88
Accumulated Precipitation Departure from Normal (in.) -0.54 1.46 0.65 0.18 1.02 5.73 6.31 6.71 6.67 8.49 8.99 9.72 16.6 17.92 22.16 23.93 29.81 29.06 30.47 33.18
Accumulated Precipitation Percent of Average 81 127 108 101 106 128 126 124 121 125 125 125 135 130 128 124 126 119 116 114
Accumulated Precipitation Percentile (non-exceedance) 39.4 79.5 63.6 55.6 64 92.4 92.4 92.4 91.8 95.2 96 97.3 99.7 99.5 99.8 99.6 99.9 99.6 99.3 99.2
Standardized Precipitation Index -0.27 0.82 0.35 0.14 0.36 1.43 1.43 1.43 1.39 1.67 1.75 1.92 2.79 2.56 2.91 2.62 3.09 2.63 2.44 2.39