Standardized Precipitation Index Table

Panhandle Climate Division

Oklahoma, Climate Division 01

Precipitation Data Table

Time Scale in Months (As of the end of Feb. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.6 1.76 4.42 4.83 6.02 8.46 10.36 17.52 22.39 26.6 28.22 28.31 29.29 30.49 41.37 44.13 57.55 73.16 96.72 122.9
Accumulated Precipitation Departure from Normal (in.) -0.06 0.63 2.64 2.24 1.92 2.51 1.93 6.37 8.4 9.74 9.68 8.63 7.84 4.87 2.07 -1.18 -1.46 -5.59 -1.8 4.65
Accumulated Precipitation Percent of Average 91 156 248 186 147 142 123 157 160 158 152 144 137 119 105 97 98 93 98 104
Accumulated Precipitation Percentile (non-exceedance) 59 81.8 97.5 92.4 84.1 86.7 78.8 96.3 97.8 98.6 98.5 97.3 95.5 83.9 64.8 45.1 44.5 29 44.9 66.2
Standardized Precipitation Index 0.23 0.91 1.95 1.43 1 1.11 0.8 1.78 2.02 2.2 2.18 1.92 1.69 0.99 0.38 -0.12 -0.14 -0.55 -0.13 0.42