Standardized Precipitation Index Table

Southeast Climate Division

North Dakota, Climate Division 09

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.) 0.52 0.89 0.99 2.79 3.03 4.23 7.23 11.07 12.92 17.05 19.52 21.49 24.2 27.47 44.44 52.82 65.83 84.55 112.32 136.01
Accumulated Precipitation Departure from Normal (in.) -0.39 -0.56 -0.97 0.26 -0.17 -0.39 0.67 2 0.86 1.35 1.1 1.25 1.99 2.59 3.96 7.76 5.18 3.72 11.28 14.81
Accumulated Precipitation Percent of Average 57 61 50 110 95 91 110 122 107 109 106 106 109 110 110 117 109 105 111 112
Accumulated Precipitation Percentile (non-exceedance) 29.9 23.4 9.8 65.3 48.3 44.5 66 80.3 64.4 68.2 63.9 64.9 70.9 73.5 77.6 90.7 78.4 68.3 87.8 91.2
Standardized Precipitation Index -0.53 -0.73 -1.29 0.39 -0.04 -0.14 0.41 0.85 0.37 0.47 0.36 0.38 0.55 0.63 0.76 1.33 0.79 0.48 1.17 1.36