Standardized Precipitation Index Table

East Ozarks Climate Division

Missouri, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.48 10.49 14.64 21.32 25.22 31.26 33.22 38 43.12 44.21 50.18 55 73.88 88.09 112.36 140.03 153.62 208.37 262.47 307.94
Accumulated Precipitation Departure from Normal (in.) -0.72 1.47 1.19 3.84 5.04 8.25 7.09 8.27 10.15 7.57 9.81 10.85 16.29 21 24.19 29 21.61 32.53 42.93 44.75
Accumulated Precipitation Percent of Average 83 116 109 122 125 136 127 128 131 121 124 125 128 131 127 126 116 119 120 117
Accumulated Precipitation Percentile (non-exceedance) 41.6 70.5 64.8 79.1 82.8 91.2 87.3 89.2 92.8 85.9 90.4 92 96.1 97.8 97.8 98.6 93.8 97.8 99.3 99.2
Standardized Precipitation Index -0.21 0.54 0.38 0.81 0.95 1.35 1.14 1.24 1.46 1.08 1.3 1.4 1.77 2.02 2.02 2.2 1.54 2.02 2.44 2.4