Standardized Precipitation Index Table

Central Climate Division

Ohio, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Feb. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 1.4 2.72 4.86 7.04 10.35 12.54 13.52 18.85 24.43 30.57 35.44 38.16 46.02 53.2 72.78 86.3 110.49 150.52 195.52 236.02
Accumulated Precipitation Departure from Normal (in.) -0.94 -2.48 -3.15 -3.79 -2.98 -3.74 -6.2 -5 -3.52 -1.36 -0.1 -0.87 -1.14 -2.24 -5.39 -8.27 -6.84 -5.96 -0.09 1.31
Accumulated Precipitation Percent of Average 60 52 61 65 78 77 69 79 87 96 100 98 98 96 93 91 94 96 100 101
Accumulated Precipitation Percentile (non-exceedance) 22.8 7.8 6.2 6.7 17.2 14.7 4.4 12.5 23.9 41.7 51.4 45.8 43.9 37.9 25.5 17.7 25.2 31.3 50.7 54.4
Standardized Precipitation Index -0.74 -1.42 -1.54 -1.5 -0.94 -1.05 -1.71 -1.15 -0.71 -0.21 0.03 -0.11 -0.15 -0.31 -0.66 -0.93 -0.67 -0.49 0.02 0.11