Standardized Precipitation Index Table

Central Climate Division

Nebraska, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 1.1 1.95 2.63 3.63 4.51 7.61 10.21 12.22 16.21 19.63 24.47 24.76 27.76 29.57 43.02 45.69 60.65 84.21 119.26 151.86
Accumulated Precipitation Departure from Normal (in.) -0.18 0.02 0.23 0.61 0.65 2.18 2.59 1.75 2.53 2.08 3.23 1.07 1.67 0.45 -4.37 -7.11 -10.46 -10.64 0.62 9.51
Accumulated Precipitation Percent of Average 86 101 109 120 117 140 134 117 118 112 115 105 106 102 91 87 85 89 101 107
Accumulated Precipitation Percentile (non-exceedance) 53.3 58.4 63.7 72.2 70.7 86.5 86.7 76.3 78.4 72.4 77.6 61.4 65.2 55.7 28.1 18.3 12.3 16.7 53.4 75.8
Standardized Precipitation Index 0.08 0.21 0.35 0.59 0.54 1.1 1.11 0.71 0.78 0.59 0.76 0.29 0.39 0.14 -0.58 -0.91 -1.16 -0.97 0.08 0.7