Standardized Precipitation Index Table

Northeast Hills. Climate Division

Ohio, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.25 6.61 10.6 16.82 19.95 23.46 27 29.5 34.18 36.52 39.63 44.82 61.83 72.48 99.22 125.66 145.08 190.28 225.52 268.31
Accumulated Precipitation Departure from Normal (in.) -0.93 -1.32 -0.71 2.22 3.03 3.75 4.48 4.23 6.24 5.43 4.96 5.8 11.49 13.77 21.17 27.99 28.2 34.66 31.26 35.33
Accumulated Precipitation Percent of Average 78 83 94 115 118 119 120 117 122 117 114 115 123 123 127 129 124 122 116 115
Accumulated Precipitation Percentile (non-exceedance) 32.4 30.5 43 77.3 82.1 85.8 89.8 86.4 93.2 89.4 85.5 86.9 96.7 97.9 99.5 99.9 99.7 99.8 99.1 99.2
Standardized Precipitation Index -0.46 -0.51 -0.18 0.75 0.92 1.07 1.27 1.1 1.49 1.25 1.06 1.12 1.84 2.03 2.58 3.1 2.74 2.92 2.37 2.41