Standardized Precipitation Index Table

East Ozarks Climate Division

Missouri, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Nov. 2019)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 4.67 9.87 10.96 16.93 21.75 27.44 35.97 40.63 45.28 50.88 54.84 59.53 70.57 83.62 108.41 123.09 152.04 204.63 258.8 299.05
Accumulated Precipitation Departure from Normal (in.) 1.07 3.03 0.45 2.69 3.73 5.22 8.94 9.17 9.81 12.72 13.88 15.45 15.98 17.36 20.4 12.91 20.16 29.02 39.49 36.14
Accumulated Precipitation Percent of Average 130 144 104 119 121 123 133 129 128 133 134 135 129 126 123 112 115 117 118 114
Accumulated Precipitation Percentile (non-exceedance) 74.1 86.6 59.4 76.8 81.3 85.3 93.2 92 91.5 95.2 95.9 96.6 95.7 96.2 96 85.4 92.4 96.7 98.9 97.9
Standardized Precipitation Index 0.65 1.11 0.24 0.73 0.89 1.05 1.49 1.4 1.37 1.67 1.74 1.82 1.72 1.77 1.75 1.05 1.43 1.84 2.28 2.03