Standardized Precipitation Index Table

East Central Climate Division

Nebraska, Climate Division 06

Precipitation Data Table

Time Scale in Months (As of the end of Jan. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.67 0.9 1.48 2.76 6 9.87 16.78 22.71 26.17 27.53 29.01 29.48 33.51 37.6 59.18 68.74 82.15 101.87 132.2 154.86
Accumulated Precipitation Departure from Normal (in.) 0.02 -0.6 -1.21 -1.87 -1.57 -1.22 2.22 3.78 3.08 1.77 1.65 1.26 2.55 -1.77 2.71 1.14 -2.52 -11.06 -9.09 -14.79
Accumulated Precipitation Percent of Average 103 60 55 60 79 89 115 120 113 107 106 104 108 96 105 102 97 90 94 91
Accumulated Precipitation Percentile (non-exceedance) 61.3 26.2 19.6 18.2 29.7 36.9 74.7 82.2 75.2 65.6 64.1 61.4 68.9 41.3 64.3 56.7 42.3 19.8 27.5 18.2
Standardized Precipitation Index 0.29 -0.64 -0.86 -0.91 -0.53 -0.33 0.67 0.92 0.68 0.4 0.36 0.29 0.49 -0.22 0.37 0.17 -0.19 -0.85 -0.6 -0.91