Standardized Precipitation Index Table

Central Hills Climate Division

Ohio, Climate Division 06

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.5 6.04 10.37 13.49 19.1 21.71 25.27 28.44 30.53 33.64 35.53 39.33 57.15 68.81 94.55 120.38 137.64 184.15 218.93 259.15
Accumulated Precipitation Departure from Normal (in.) -1.57 -2.15 -1.66 -1.97 0.29 0.59 1.35 1.67 0.98 1.5 0.3 0.57 6.34 8.93 17.05 21.84 21.54 29.51 25.84 27.55
Accumulated Precipitation Percent of Average 61 74 86 87 102 103 106 106 103 105 101 101 112 115 122 122 119 119 113 112
Accumulated Precipitation Percentile (non-exceedance) 14.1 18.7 31 29.6 55.7 58.5 65.2 68.4 60.9 65 54.3 56.3 86 92.2 98.6 99.4 98.8 99.6 98.5 98.2
Standardized Precipitation Index -1.07 -0.89 -0.49 -0.53 0.14 0.22 0.39 0.48 0.28 0.38 0.11 0.16 1.08 1.42 2.19 2.5 2.27 2.67 2.16 2.1