Standardized Precipitation Index Table

Southeast Climate Division

Nebraska, Climate Division 09

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.) 4.35 8.66 9.82 11.4 11.47 12.66 14.23 14.86 17.82 21.86 28.78 32.66 48.02 53.38 76.35 88.48 101.14 132.78 164.15 199.99
Accumulated Precipitation Departure from Normal (in.) -0.09 -0.09 -1.66 -1.77 -2.65 -2.12 -1.49 -2.15 -1.34 -0.56 2.7 2.9 6.77 8.83 16.85 14.24 12.05 14.07 15.79 22.01
Accumulated Precipitation Percent of Average 98 99 86 87 81 86 91 87 93 97 110 110 116 120 128 119 114 112 111 112
Accumulated Precipitation Percentile (non-exceedance) 54.2 52.9 32.7 33.3 24.4 30.1 37.1 31.8 41.2 48.2 72 71 84.7 89.5 97.4 93.3 88.4 88.6 88.2 93.3
Standardized Precipitation Index 0.1 0.07 -0.45 -0.43 -0.69 -0.52 -0.33 -0.47 -0.22 -0.04 0.58 0.55 1.02 1.25 1.95 1.5 1.19 1.2 1.19 1.5