Standardized Precipitation Index Table

Central Hills Climate Division

Ohio, Climate Division 06

Precipitation Data Table

Time Scale in Months (As of the end of May 2025)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.19 9.81 12.29 15.51 16.59 20.29 23 23.52 26.18 28.86 31.96 34.59 47.7 55.16 76.13 93.6 114.66 159.75 196 242.88
Accumulated Precipitation Departure from Normal (in.) 1.33 2.5 1.64 2.55 0.83 1.72 1.66 -0.41 -0.83 -1.71 -2.69 -4.18 -1.7 -2.22 -1.49 -2.58 -1.75 4.59 2.15 10.28
Accumulated Precipitation Percent of Average 134 134 115 120 105 109 108 98 97 94 92 89 97 96 98 97 98 103 101 104
Accumulated Precipitation Percentile (non-exceedance) 82 88.6 76 82.4 62.8 72.3 69.7 47.7 43.3 35.3 29.2 20.5 39.5 35.9 43 37.4 43.1 67.5 57.8 78.1
Standardized Precipitation Index 0.92 1.21 0.71 0.93 0.33 0.59 0.51 -0.06 -0.17 -0.38 -0.55 -0.82 -0.27 -0.36 -0.18 -0.32 -0.17 0.45 0.2 0.77