Standardized Precipitation Index Table

North Central Climate Division

Nebraska, Climate Division 02

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.) 0.79 1.78 2.35 3.43 4.15 7.56 10.24 12.84 17.69 21.65 26.9 27.5 30.47 32.5 45 47.9 62.82 84.19 116.55 148.17
Accumulated Precipitation Departure from Normal (in.) -0.39 -0.01 0.09 0.61 0.66 2.7 3.55 3.63 5.52 5.91 7.74 6 6.71 6.13 2.01 0.06 -1.67 -1.85 8.94 19.02
Accumulated Precipitation Percent of Average 67 100 104 122 119 156 153 139 145 138 140 128 128 123 105 100 97 98 108 115
Accumulated Precipitation Percentile (non-exceedance) 35.2 56.2 59.3 75.8 74.8 94.3 95.6 93.5 96.4 95.7 97 92.3 93.3 90 64.7 52.2 42.8 43.3 80.6 94.4
Standardized Precipitation Index -0.38 0.16 0.24 0.7 0.67 1.58 1.71 1.52 1.8 1.71 1.88 1.42 1.5 1.28 0.38 0.05 -0.18 -0.17 0.86 1.59