Standardized Precipitation Index Table

South Central Climate Division

Nebraska, Climate Division 08

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 4.17 6.3 11.32 11.68 13.44 13.76 14.5 15.84 17.08 18.3 19.62 23.91 42.52 47.3 60.95 76.27 85.71 109.84 137.49 164.14
Accumulated Precipitation Departure from Normal (in.) 0.92 -0.74 0.56 -1.47 -1.02 -1.37 -1.08 -0.34 -0.01 -0.35 -1.26 0.06 7.92 8.31 13.28 13.53 14.35 14.81 18.8 21.79
Accumulated Precipitation Percent of Average 128 89 105 89 93 91 93 98 100 98 94 100 123 121 128 122 120 116 116 115
Accumulated Precipitation Percentile (non-exceedance) 74.6 43.7 60.6 36.9 42.8 39.2 42.5 49.9 53.1 49.8 41.2 53 90.5 90.3 96.9 94.2 94.7 92.2 94.1 95
Standardized Precipitation Index 0.66 -0.16 0.27 -0.33 -0.18 -0.27 -0.19 0 0.08 0 -0.22 0.08 1.31 1.3 1.87 1.57 1.62 1.42 1.56 1.64