Standardized Precipitation Index Table

East Central Climate Division

Nebraska, Climate Division 06

Precipitation Data Table

Time Scale in Months (As of the end of Apr. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.83 3.26 3.6 4.24 4.48 5.05 6.33 9.57 13.44 20.35 26.28 29.74 33.04 37.07 57.58 66.21 82.37 101.64 126.72 155.13
Accumulated Precipitation Departure from Normal (in.) 0.16 -1 -1.51 -1.51 -2.14 -2.76 -3.42 -3.11 -2.77 0.67 2.23 1.53 -0.3 1.01 1.14 1.97 -2.24 -11.22 -14.51 -14.47
Accumulated Precipitation Percent of Average 106 77 70 74 68 65 65 75 83 103 109 105 99 103 102 103 97 90 90 91
Accumulated Precipitation Percentile (non-exceedance) 61.4 34.5 23.3 22.9 14.4 12.5 11.5 16.7 22.4 59.1 70.3 63.6 50.4 58.7 57.4 60.6 43.2 18.9 15.6 18.4
Standardized Precipitation Index 0.29 -0.4 -0.73 -0.74 -1.06 -1.15 -1.2 -0.97 -0.76 0.23 0.53 0.35 0.01 0.22 0.19 0.27 -0.17 -0.88 -1.01 -0.9